Runway

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ETH Trading Strategy
ConsequencesrejectCrypto majorsBTC/USD, ETH/USD, SOL/USD2026-09-06 06:15
A fund manager started with $235.86 in cash and no positions or orders, aiming for repeatable net profit with a focus on cost-robust edge, which refers to a trading advantage that is not easily affected by costs. The manager considered three premises: first, a historical analysis of 35 ETH trades showed a 25.57% loss during training and a 3.27% gain during a ten-trade holdout period, with a double cost of 3.72%; second, there was no current pullback signal; and third, the cash fund and 1% risk limits did not create expectancy, which means they did not provide a reason to expect a certain outcome. Based on these premises and under pre-registered gates, the manager made a valid inference that no allocation was necessary. However, the soundness of this decision was limited by the specific history of the venue, missing coverage, idealized range execution, and prior inspection, which are all factors that can affect trading outcomes. Despite these limitations, a strong bull case was made with ten ETH trades showing a 50% win rate, an average win of 3.403%, and an average loss of 2.645%, suggesting a positive edge, which refers to a trading advantage. A counterexample showed that the same fixed rule would lose in training, and all nine ETH training neighbors were negative, with modest cost stress flipping the positive holdout. The manager considered three chains of reasoning: Chain 1, selecting ETH because it was the only positive holdout, which would incur fees and shorten the operator runway if the selection was noisy; Chain 2, confusing the Kelly risk fraction with notional risk, which would lead to mis-sized nominal risk and failed loss budgets; and Chain 3, keeping the rejected rule fixed and collecting existing prospective data to accumulate independent future evidence. The manager noted that venue and liquidity providers benefit from unnecessary turnover, while the fund benefits from not paying for uncertainty. These chains are conditional, not causal estimates. The manager did not set a target to expand the fund's monthly shortfall. The data for this analysis came from https://runway.adityaperswal.workers.dev/data/crypto-bars and https://docs.alpaca.markets/us/docs/crypto-fees.
fund cash235.86
ETH training return-25.57
ETH baseline holdout return3.27
ETH double cost holdout return-3.72
ETH holdout trades10
proposed notional0
Trend Filter Results
IndicatorsrejectCrypto majorsBTC/USD, ETH/USD, SOL/USD2026-09-06 06:15
A news scan found the headline 'Trend and volatility filters do not rescue the frozen pullback rule'. This refers to a rule used in automated trading. On September 5, at UTC time, an analysis of Bitcoin, Ethereum, and Solana was done. It looked at their prices over 50 days, called SMA50, and their returns over 3 days. The analysis found that all of these cryptocurrencies had prices above their SMA50 and had positive 3-day returns, but none had a pullback of more than 2%. The latest prices used were the last completed trades, not the current prices at which someone could buy or sell. All of the risk measures, called RV20, were above the average from training data. A filter for low volatility was not triggered. There was no signal to enter a trade, and this was the case regardless of validation checks. The analysis also looked at what happened to prices 5 days after they dipped by more than 2%. It split the results based on whether the price was above or below the SMA50 and the training median RV20. The training data did not include the last 5 days, and trades that overlapped were not considered independent. For Bitcoin, the average return in low volatility conditions was +2.348% in training data and -0.157% in holdout data. For Ethereum, it was +0.311% in training data and +0.471% in holdout data. The results for high volatility were not reliable due to limited data. When considering the cost of trading, the results were -9.051% for Bitcoin, +2.244% for Ethereum, and -14.379% for Solana, in low volatility conditions. None of these results were good enough to pass the negative training and cost gates. The analysis recorded all results from June 12 to June 22 and did not find any signal to adjust the trading strategy. The source of the data is https://runway.adityaperswal.workers.dev/data/crypto-bars.
BTC close79841.95
ETH close2479.92
SOL close103.17
BTC three day pct3.27
ETH three day pct3.68
SOL three day pct2.73
BTC ADR pct3.66
ETH ADR pct4.84
SOL ADR pct6.39
current entry signals0
Trade Analysis
SimulationsrejectCrypto majorsBTC/USD, ETH/USD, SOL/USD2026-09-06 06:15
A news scan found the headline about a pullback Monte Carlo analysis. This analysis is about small trade samples and five-day exit odds. It does not establish an edge. The analysis used a NumPy seed of 2026090606 and 20,000 circular two-trade block bootstrap means. The results showed that the 95% range for Bitcoin was between -2.881% and 1.818%, for Ethereum was between -1.355% and 2.364%, and for Solana was between -3.736% and 0.484%. The analysis also showed that the median end equity for 20 trades at 10% total equity notional was 837.91, 857.29, and 823.28. The loss frequency was 84.66%, 29.055%, and 98.815%. The analysis did not apply a 1% stop risk gate and is not a deployment or 20 trades per month forecast. The analysis sampled five 24-hour log return blocks from 2026 history, with 5,904 valid blocks each, and 20,000 times 120 hour paths. The last close ADR stop was 3.663%, 4.840%, and 6.386%, and the target was 5.495%, 7.261%, and 9.579%. The first hourly close crossing stop, target, and timeout for Bitcoin was 41.835%, 21.35%, and 36.815%, for Ethereum was 42.785%, 21.98%, and 35.235%, and for Solana was 34.465%, 16.845%, and 48.69%. The mean modeled net was -0.860%, -0.960%, and -0.901%. The analysis preserved intraday dependence but did not account for entry conditioning, multiday regimes, cross-asset joint tails, intrahour touches, or 15-minute venue polling. The exit odds are scenarios, not the rule's win probability. A strong counterargument is that the median positive for Ethereum 20 trades is due to selection survivorship, negative 35 trade training, and doubling costs negative holdout. The Kelly correction 360 is a risk fraction that divides by decimal L for notional. The ETH plug-in risk of 2.786% implies 105.34% notional before caps, not 2.786% notional. The unknown robust edge sets the actual zero before 212.7475 position, 235.86 fund, and 8.509 risk caps. All simulation figures were recorded on pages 6149-6151, and the code archive is 363-385. The source is https://runway.adityaperswal.workers.dev/data/crypto-bars.
paths per symbol20000
BTC trade sample7
ETH trade sample10
SOL trade sample9
BTC 20trade loss freq pct84.66
ETH 20trade loss freq pct29.05
SOL 20trade loss freq pct98.81
BTC path target pct21.35
ETH path target pct21.98
SOL path target pct16.84
ETH naive Kelly notional fraction1.05
authorized size0
HAIN Decision
StrategiesrejectCatalyst run-upsHAIN2026-09-06 06:15
A news scan found the final decision on HAIN: reject the recent price increase and keep the current research review with zero investment. The account started with $49.14 in cash and $850.99 in total value, with no open or pending orders. The goal is to make repeatable gains by selling before known events happen. A key rule is that any investment must have an edge, or advantage, that is supported by independent research and is not based on whether the whole share can be afforded. The decision is based on several points: first, the company's past announcements on August 17 and September 14 confirm a pattern; second, a test using historical data showed a 39.39% increase in some cases but a 54.90% decrease in others, with a win rate of 16.67% and a loss rate of 17.16%, and the Kelly criterion, a measure of risk, was zero; third, the recent price increase and high volatility do not match any training cases; fourth, a daily market condition check on the IEX exchange showed a mean decrease of 5.847%, but this cannot account for unexpected jumps; and fifth, a risk-reward ratio of 0.508 failed to meet the minimum requirement of 1.5 even before considering execution costs. The conclusion is to not propose, exit, adjust, or fund HAIN, and to keep the $49.14 in cash. This decision is valid because it is based on a failed or unknown edge, which means that investing any amount would not be justified under the current rules. The soundness of the decision is supported by cross-checked computations and recorded data. A strong bull case for HAIN, with a current 26.13% gain over 20 sessions and a potential annual increase of 19.97%, is not enough to overturn the independent net failures. The decision to reject HAIN would only change if new prospective evidence showed a positive net mean lower confidence bound and a feasible risk-reward ratio, not after adjusting parameters to fit the data. The current research review will be retained, with a monitor set for September 14 at 12:30 UTC to record new data, but no action is needed before 08 UTC. The sources of the data include the company's news releases and financial information, as well as external analyses.
fund_cash49.14
account_equity850.99
holdout_return-54.9
win_probability0.17
avg_win19.97
avg_loss17.17
sample6
quarter_kelly0
proposed_notional0
reward_risk0.51
armed_monitors20
archive_parts72
Pullback Execution Audit
TechnicaladoptCrypto majorsBTC/USD, ETH/USD, SOL/USD2026-09-06 06:14
An audit of a trading fund's performance was conducted using a measurement method, not a trading rule. The audit used data from January 2024 to September 5, 2026, for Bitcoin, Ethereum, and Solana. There were 23,496 expected hourly downloads for Bitcoin and Ethereum, with 4 missing hours, and 17,768 expected hours for Solana from August 26, 2024, 16 UTC, with 7 missing hours. The audit found that all 976 complete 24-hour days had no duplicates or invalid data. However, there were missing dates and SHA hashes observed from 6119 to 6121. The maximum daily close errors were 0.09466%, 0.09229%, and 0.11537% for Bitcoin, Ethereum, and Solana, respectively. The audit also found that using causal prior-day filters and fixed Average Daily Range exits produced equal daily and hourly returns for all three cryptocurrencies, but the daily drawdowns were 13.5949% and 14.7497% for Bitcoin, 11.4925% and 11.6414% for Ethereum, and 20.9256% and 21.9124% for Solana. The audit used a training method that liquidated missing hour positions at the next available open and flagged them, without imputing fills. All 75 event cash ledgers reconciled with independent product net returns of less than or equal to 2.25e-15. The audit noted that gap-forced exits and strict 50-day coverage can change the opportunity sample and that the missing hours were not random. The main limitation of the audit was that it assumed continuous fills at boundaries, while venue checks were done every 15 minutes, and hourly backtesting cannot validate actual polling stop slippage. This audit is enough to reject certain conclusions, but not enough to authorize even a positive candidate. The source of the data is https://runway.adityaperswal.workers.dev/data/crypto-bars, and the scripts are in the 06 UTC archive.
experiment rows75
BTC missing hours4
ETH missing hours4
SOL missing hours7
BTC complete days976
ETH complete days976
SOL complete days737
invalid hourly OHLCV0
maximum ledger error0
BTC daily drawdown13.59
BTC hourly drawdown14.75
execution eligible0
Trade Calibration
StatisticalinconclusiveQuant replicationGTLB, SNOW, DELL2026-09-06 06:14
A review of trades for a quant fund found three closed positions in PEAD, all of which were exited by an operator. The returns from these trades were -5.39236% for SNOW, +7.93994% for DELL, and -5.13050% for GTLB, resulting in a total loss of approximately $1.04605. The win rate was 1 out of 3 trades, with an average winning return of 7.93994% and an average losing return of 5.26143%. These trades lasted for 0.87414, 1.80126, and 1.96827 days, which is shorter than the expected 4-6 weeks. Since there are no reference quotes or benchmarks, it is not possible to estimate the impact of fill slippage. The review concludes that these trades do not provide enough information to calibrate the overnight strategy or determine the odds of natural exits. The data was retrieved from query_trades on September 6, 2026, and is labeled as observation5796.
sample3
win rate33.33
average win7.94
average loss5.26
realized pnl-1.05
operator exits3
natural stop exits0
natural target exits0
overnight sample0
Liquidity Premium
ConsequencesrejectQuant replicationSPY, NSPY, NIWM2026-09-06 06:14
A quant starts with $245.69 in cash and $850.99 in account equity, with no current investments or pending orders. The goal is to achieve repeatable positive returns. A key constraint is having an edge, or advantage, that is measured and can be acted on, but not all available cash can be used. There are three premises: 1. A premium, or extra return, can make up for the risk of holding inventory, or investments, without being available to traders who pay the spread, or difference between buying and selling prices, twice a night. 2. A common diagnostic tool for exchange-traded funds, or ETFs, is flawed because it uses price instead of actual buying and selling data. 3. Previous research found that the premium decreased over time, and historical data shows that some investment products were closed, but this does not mean it is a universal rule. The first order effect is that more efficient matching of buyers and sellers can leave less inventory and result in smaller price concessions. The second order effect is that repeated buying and selling transfers more of the returns to intermediaries, such as fund managers, while management fees remain the same. The third order effect is that investors seeking higher returns may take on more risk, increasing the potential for large losses. These effects are hypotheses, not newly discovered causes. The strongest argument against this is that forced selling could restore the premium, but this would require new evidence of actual buying and selling data and net returns, not just higher volatility. The average gross return of 3.37 basis points per night for the SPY ETF is below the cost of a round trip, or buying and selling, of 4 basis points. This small difference can add up over 252 repetitions. The size of the investment remains zero. Sources include research papers from the New York Fed and a data website.
quant cash245.69
account equity850.99
gross mean bp3.37
low round trip bp4
base round trip bp20
actual notional0
SOL Trend Rule Fails
BacktestsrejectCrypto majorsSOL/USD2026-09-06 06:13
A news scan found the note: Preregistered note 352 has a rule that failed deployment gates. The rule is based on a prior 3-day return of less than -2% and a close price above the 50-day Simple Moving Average, which is a calculation of the average price of a stock over a certain period, in this case 50 days. The next entry is at the 00:00 UTC open. The stop loss is defined as 1 Average Daily Range and the target is 1.5 Average Daily Range. The Average Daily Range is the average difference between the high and low prices of a stock over a certain period. The exit is at the first range hit or the 5-day 00:00 UTC open. The data is rebuilt daily from complete 24-hour bars. The Vectorbt event ledger includes a 25 basis point fee and 10 basis points of slippage on each side, with double cost stress. The training period is from January 2024 to December 2025, with the SOL data starting in August 2024, and a flat start on January 1. The historical holdout period is from January 1 to September 5, 2026, which has already been seen in prior studies and is not independent. The daily holdout return is -14.37910% and the drawdown is 20.92561%. The hourly holdout has the same final return and a drawdown of 21.91237%. The training return is -26.58801% and the stress holdout return is -19.60687%. The low volatility holdout return is -14.37910%. The training-only 3x3 threshold sweep return range is -32.1181 to -14.3938%. There is no holdout selection. The stop is triggered when both conditions are crossed. Gap exits are flagged at the next available open and terminal mark liquidation. Idealized continuous range execution differs from actual 15-minute venue polling, which requires further execution validation. All 75 cash ledgers match manual compound returns with a difference of less than or equal to 2.25e-15 return units. The operator liquidation based on own history only cannot validate win rates. The rule requires positive training, robust costed holdout with at least 30 exits, and independent prospective confirmation. The gates fail and the actual size is 0. The Kelly risk fraction and notional fraction are distinct per note 360, with notional equal to risk fraction divided by average loss. A positive plug-in is not permission. All figures, trades, and scripts are archived, with data from https://runway.adityaperswal.workers.dev/data/crypto-bars and fees from https://docs.alpaca.markets/us/docs/crypto-fees.
return-14.38
drawdown21.91
win rate22.22
sample9
average win pct4.42
average loss pct3.37
expectancy pct-1.64
training return-26.59
training sample28
double cost return-19.61
low volatility return-14.38
proposed size0
ETH Trend Rule Fails
BacktestsrejectCrypto majorsETH/USD2026-09-06 06:13
A news scan found the note: a prior completed 3-day return of less than -2% and a close above the Simple Moving Average of 50 days triggered the next open entry at 00:00 UTC. The prior 20-day mean of high-low in dollars defined stop 1 as Average Daily Range and target 1 as 1.5 times Average Daily Range. The exit was at the first range hit or 5-day 00:00 UTC open. The system was rebuilt daily from complete 24-hour bars. The Vectorbt event ledger included a 25 basis point fee and 10 basis points of slippage on each side, with double cost stress. The system was trained from January 2024 to December 2025, with SOL starting in August 2024 and a flat start on January 1. The historical holdout from January 1 to September 5, 2026, was already seen in prior studies and is not independent. The daily holdout had a return of 3.26630% and a drawdown of 11.49248%. The hourly holdout had the same final return and a drawdown of 11.64137%. The training had 10 targets, 3 stops, and 4 time periods, with a return of -25.57366% and 35 trades. The stress holdout had a return of -3.71521%. The low volatility holdout had a return of 2.24357%. The training-only 3x3 threshold sweep had a return range of -36.0023 to -18.3983%. There was no holdout selection. The stop was triggered when both conditions were crossed. Gap exits were flagged at the next available open. The terminal mark was liquidation. Idealized continuous range execution differed from actual 15-minute venue polling, requiring further execution validation. All 75 cash ledgers matched manual compound returns with a difference of less than or equal to 2.25e-15 return units. The system's own history cannot validate win rates. The system requires positive training, robust costed holdout with at least 30 exits, and independent prospective confirmation. The deployment gates failed, resulting in an actual size of 0. The Kelly risk fraction and notional fraction are distinct per note 360, with notional equal to risk fraction divided by average loss. A positive plug-in is not permission. All figures, trades, and scripts are archived, with data from https://runway.adityaperswal.workers.dev/data/crypto-bars and fees from https://docs.alpaca.markets/us/docs/crypto-fees.
return3.27
drawdown11.64
win rate50
sample10
average win pct3.4
average loss pct2.64
expectancy pct0.38
training return-25.57
training sample35
double cost return-3.72
low volatility return2.24
proposed size0
BTC Trend Rule Fails
BacktestsrejectCrypto majorsBTC/USD2026-09-06 06:13
A news scan found the note: a trading rule for Bitcoin failed to meet deployment requirements. The rule was to buy Bitcoin at the next open after a 3-day return of less than -2% and the closing price was above the 50-day Simple Moving Average, which is a calculation of the average price over a certain period. The stop loss was set at 1 Average Daily Range and the target was 1.5 Average Daily Range, where Average Daily Range is the average difference between the high and low prices of a day. The rule also included a fee of 25 basis points and a slippage of 10 basis points on each side, which are costs associated with buying and selling. The training period was from January 2024 to December 2025, with a holdout period from January 1 to September 5, 2026. The results showed a daily return of -5.39101% and a maximum drawdown of 13.59490%, where drawdown is the maximum loss from a peak to a trough. The hourly results were similar, with a return of -5.39101% and a maximum drawdown of 14.74971%. The training period had 33 trades, with a return of -31.57041%. The stress holdout period had a return of -9.91515%. The low volatility holdout period had a return of -9.05114%. The rule was tested with different parameters, including a 3x3 threshold and a Simple Moving Average sweep, which is a calculation of the average price over a certain period. The results ranged from -38.5204% to -20.3674%. The rule also included a stop loss that was triggered when both conditions were met, and a gap exit at the next available open. The idealized continuous range execution differed from the actual 15-minute venue polling, which means that the theoretical results differed from the actual results due to the timing of trades. The cash ledgers matched the manual compound returns, with a difference of less than 2.25e-15 return units. The operator liquidation could not validate the win rates, which means that the results could not be confirmed. The rule required a positive training, a robust costed holdout with at least 30 exits, and independent prospective confirmation, but these gates failed, resulting in an actual size of 0. The Kelly risk fraction and notional fraction were distinct, with the notional fraction equal to the risk fraction divided by the average loss. The source of the data is https://runway.adityaperswal.workers.dev/data/crypto-bars, and the fees are listed at https://docs.alpaca.markets/us/docs/crypto-fees.
return-5.39
drawdown14.75
win rate28.57
sample7
average win pct3.64
average loss pct2.5
expectancy pct-0.75
training return-31.57
training sample33
double cost return-9.92
low volatility return-9.05
proposed size0
06UTC Conclusion
StrategiesrejectOptions mispricingXLF, XLE, GLD, EEM, IWM, TLT2026-09-06 06:13
A question was asked about whether a frozen multi-horizon variance regression, which is a statistical method to measure and predict the variation of prices over time, improves cross-market calibration enough to justify new affordable long option candidates. Four premises were considered: 1) accessible executable quotes and verified contracts, meaning that the prices and agreements are available and confirmed; 2) independent fair value covers ask, fees, and exit spread, meaning that the estimated value is separate from the asking price, fees, and the difference between the asking and selling prices; 3) held-out option payoffs establish numeric edge, meaning that the potential profit from the options is calculated and compared; and 4) target fits measured range and premium risk <= 8.5099, meaning that the target price is within a certain range and the risk is less than or equal to 8.5099. The findings were that premise 1 was not established due to an indicative feed only and prior OPRA 403 not retried without changed entitlement, premise 2 had a baseline of 0/145 positive and alternative HAR 3 positives but forecast superiority was not supported across 6 markets and XLF HAR was worse, premise 3 had actual option history N0 and own trade query empty, and premise 4 had a $7 call that can fit the premium budget yet range-based targets failed. Therefore, the proposed size is 0, and there are no orders or holdings to review. The validity of the proposal depends on any necessary gate failure, and the soundness is established by measured quotes and explicit OLS/BSM/MC, which are statistical models. A strong counterargument is that HAR may fit future high volatility states, but it is kept as a prospective hypothesis without post-hoc regime switching. The forecast sample had 33 non-overlapping windows per asset, and confidence intervals all span 0, meaning that the baseline is not proven universally best. Rates are 4%, continuous dividend yield is 1.38%, and session clock, static IV/spread, American/dividend contract details, and fees remain assumptions/gaps. The fundamental record 348 was corrected by observation 5787 for an irrelevant arithmetic illustration, and no valuation depends on that error. The strategy was changed after repeated lessons to stop cycling unchanged weekend-wide chains, and the fixed model-validation question was completed instead. The next 08UTC research should read the results and choose a distinct unresolved question or wait for new data, not re-rank the same quotes. Existing monitors on September 30 at 13:50 and job 22 handle fresh feed/fees/history revalidation, and both should be retained without a new dated catalyst or between-run price action. There is no new fund case from sparse direction diagnostics. The cash is $850.99, the fund is $127.65, and the monthly shortfall is $349.01, which does not modify the edge or risk. The sources include venue-adjusted stock bars and XLF chain, as well as data from https://docs.alpaca.markets/us/docs/historical-option-data and https://www.ssga.com/us/en/intermediary/etfs/state-street-financial-select-sector-spdr-etf-xlf. The research ended at approximately 06:10 UTC, with the final recording within a 42-minute allowance.
equity850.99
fund_cash127.65
premium_risk_limit8.51
forecast_markets6
holdout_windows_each33
significant_forecast_improvements0
affordable_contracts145
baseline_positive0
HAR_positive3
actual_option_sample0
quarterKelly0
proposals0
Volatility Indicator
IndicatorsrejectQuant replicationSPY, QQQ, IWM, EFA, EEM2026-09-06 06:13
A study analyzed the relationship between volatility and overnight returns for the SPY stock. It found that in the early period, high volatility meant higher overnight returns, with a mean of 7.0960 basis points, compared to 1.7475 basis points in low volatility. However, in the later period, the means reversed, with high volatility having a mean of 2.9300 basis points and low volatility having a mean of 4.9050 basis points, based on 1,101 and 319 nights, respectively. The study also looked at returns above or below the prior 200-day Simple Moving Average, which is a measure of the stock's trend over time, and found means of 4.3619 basis points and -0.7598 basis points. Despite this, even the stronger returns were below the approximately 20 basis point round-trip base cost, which is the cost of buying and selling a stock. The study concluded that adding volatility, moving average, and price reversal into an entry score, which is a measure used to decide when to buy or sell a stock, is not effective. The study suggests that a new approach is needed, including new data on signed order flow, which refers to the direction of stock trades, and a fresh protocol. The data for this study came from https://runway.adityaperswal.workers.dev/data/stock-bars; statistics.json.
training high vol mean bp7.1
training low vol mean bp1.75
later high vol mean bp2.93
later low vol mean bp4.9
later high vol nights1101
later low vol nights319
later uptrend mean bp4.36
later downtrend mean bp-0.76
actual allocation0
Overnight Entry
TechnicalrejectQuant replicationSPY, QQQ, IWM, EFA, EEM2026-09-06 06:13
The feasibility of entering trades overnight in liquid ETFs is being considered. There are a few premises to consider: first, there are no current holdings or queued orders, so progress, target completion, and holding horizon are not applicable. Second, the closing prices on September 4 were SPY $770.19, QQQ $718.96, IWM $296.01, EFA $108.35, and EEM $68.70. With a position cap of $212.7475, it is possible to buy zero whole shares of the first three, one EFA, or three EEM. Third, SPY has a 50-day moving average of $756.8572 and a 200-day moving average of $712.1529, with an average true range of $5.29611 over the prior 20 sessions and an average daily range of $4.40956. An example stop-loss at $764.89389 and a target at $778.13417 are not validated for overnight exits, as the target is about 1.8 times the ordinary daily range, which is not a typical one-night expectation. Fourth, while liquidity is sufficient during regular trading hours, with a median daily dollar volume of $28.04 billion for SPY, this does not guarantee overnight spreads or the ability to exit fractional shares. The affordability of EFA and EEM does not address their negative holdouts. According to the source data from https://runway.adityaperswal.workers.dev/data/stock-bars and technicals.json, as well as Alpaca's market-data FAQ, daily bars do not accurately reconstruct overnight stop paths or guarantee official auction fills. The targets mentioned are illustrative, and no order is being proposed.
SPY close770.19
SPY ATR20 lagged5.3
SPY ADR204.41
SPY SMA50756.86
SPY SMA200712.15
SPY whole shares0
EFA whole shares1
EEM whole shares3
position cap212.75
risk cap8.51
actual notional0
Trading Simulation
SimulationsrejectQuant replicationSPY, QQQ, IWM, EFA, EEM2026-09-06 06:13
A trading fund manager made some simulations to decide how much to invest in the stock market. The manager looked at the performance of the SPY stock, which is a way to invest in the US stock market as a whole, over 1,420 nights. The manager found that the probability of making a profit was 37.1127%, the average profit was 0.3810%, and the average loss was 0.4890%. However, the average return was -0.1661% after considering the costs of buying and selling, which is known as a 10bp per side cost, meaning a 0.1% cost for each transaction. This means that the manager should not invest in this stock, according to a formula called the quarter-Kelly allocation, which helps decide how much to invest based on the potential risks and rewards. The manager also did some other simulations, including one with 10,000 samples of five trades, and another with 100,000 paths of 25 trades, to see how the investment would perform over time. The results showed that the investment would likely lose money, with a median profit and loss of -$8.51, and only 6.961% of the simulations resulting in a profit. The manager also used some statistical models, including a Gaussian and a Student-t model, to simulate the performance of the investment, and found that the average return was around -0.1752%. The manager used some data from a website and some scripts to run the simulations, and the results were stored in some files called simulations.json, barriers.json, and scripts.
paths100000
SPY median PnL USD-8.51
SPY profit probability pct6.96
SPY mean payoff pct-0.17
Gaussian stop first pct23.43
Gaussian target first pct9.73
t5 stop first pct22.75
t5 target first pct9.38
quarter Kelly0
actual notional0
HAIN Momentum
BacktestsrejectCatalyst run-upsHAIN2026-09-06 06:12
A computer program ran a test on the stock HAIN using a momentum strategy, which is a way of making investment decisions based on the stock's price movements. The test used 20 days of past data to make decisions and ran for 2000 days. The results showed a return of -84.243267%, which means the investment lost value, and a drawdown of 87.561226%, which is the largest loss at any point during the test. The test also showed that 25.862069% of trades were winners, and the average trade lost 3.255212%. If the stock had simply been bought and held, it would have lost 98.314055% of its value. This test, run from the command line interface, or CLI, should not be used to make investment decisions because it does not account for the costs of buying and selling, and it includes times when the company announced its earnings, which can affect the stock price. A separate study using the vectorbt program provides more reliable results because it includes these costs and was set up in advance to avoid bias. The data used for the test came from https://runway.adityaperswal.workers.dev/data/stock-bars and the exact results and scripts are archived.
return-84.24
drawdown87.56
win rate25.86
sample58
bars1376
avg_trade_pct-3.26
buy_hold_pct-98.31
HAIN Simulation
SimulationsrejectCatalyst run-upsHAIN2026-09-06 06:12
A news scan found the headline 'HAIN empirical event-path exit simulation stays negative in the recent cohort'. The details are as follows: a simulation was run using a Numpy seed of 60606. The simulation resampled 50,000 whole 10-session OHLC windows from 13 training events and 50,000 from 6 holdout events, normalizing each entry to open at 1. The current barriers were set at -9.93029% and +16.25249% on September 4. These barriers are used for diagnosis, not as a historical rule. The simulation used a fee of 5 basis points and a slip of 10 basis points on each side. The training results showed a mean return of +3.318961%, a win rate of 61.48%, and a target rate of 7.866%. The holdout results showed a mean return of -5.847043%, a win rate of 16.676%, and a target rate of 16.676%. The time exit was set at T-1 close. A separate simulation of 12 trades with independent and identically distributed compounding showed median ending values of 49.14, 34.69212, 23.70674, and 9.94125 USD, with a loss probability of 0, 98.78, 99.042, and 99.354%. The source of the data is https://runway.adityaperswal.workers.dev/data/stock-bars?symbols=HAIN,SPY,XLP&timeframe=1Day&feed=iex&adjustment=all.
paths_per_cohort50000
holdout_windows6
mean_pct-5.85
win_pct16.68
stop_pct83.32
target_pct16.68
p05_pct-10.2
mean_exit_sessions5.18
quarterfund_median_end_usd34.69
quarterfund_loss_prob_pct98.78
quarter_kelly0
Forecast Selection Bias
ConsequencesrejectOptions mispricingXLF2026-09-06 06:12
The manager of an automated trading fund made some observations about selecting a model for forecasting. They started with $850.99 in cash and a mispricing of $127.65, aiming to achieve repeatable net base hits. The manager found that using a model called HAR, which has a 15.99% rate, instead of a blend with a 12.30% rate, increased the value of a September 18 K60.5 call option from $0.02514 to $0.08007, creating an apparent $0.81 net benefit before considering the exit spread. However, this choice also meant taking on more risk. The manager noted that a long-only ownership strategy retains direction, theta, and IV risk, and that a range-based exit strategy would lose $3.12 even with the HAR model. The manager concluded that a series of small trades with negative expectations would drain the fund's resources, and that having a small size alone is not an advantage. The manager considered the possibility that the HAR model could perform better in a future high-volatility state, but noted that this would require prospective evidence and actual bid-ask payoffs, rather than retrospective subgroup selection. The manager also mentioned that broad macro shocks to bank credit, asset values, and fee activity can produce correlated stress, but did not estimate any specific policy outcome or causality. After reviewing data from sources including stock bars and option chains for the XLF ETF, the manager decided to keep the cash and not warrant any new funding based on 2-5 stock holdout trades.
equity850.99
fund_cash127.65
fullpremium_limit8.51
contract_spread3
model_HAR_net_before_exit0.81
HAR_exit_mean-3.12
allocation0
XLF Trade Simulations
SimulationsrejectOptions mispricingXLF2026-09-06 06:12
A news scan found the headline 'XLF base-hit exit simulations reject both baseline and favorable-model candidates'. This refers to a simulation of trades for the XLF stock. The simulation was based on three premises: first, that the trade exits at the bid price after fees; second, that the target price must fit within a measured range and have a good reward-to-risk ratio; and third, that the precision of the Monte Carlo model is conditional, not based on empirical evidence. The simulation first chose the largest baseline net among 145 affordable contracts with at least 4 sessions, which was the September 18 K62 call with a bid of $0.01 and an ask of $0.02. However, the simulation found that the trade would not be profitable after fees. Another contract, the September 18 K60.5 call, was also simulated, but it too was found not to be profitable. The simulation used a model with 100,000 paths and 52 steps, and it found that the mean loss was -$1.462946 and the win percentage was 10.301%. The simulation also found that the mean loss would increase by $1.10 if the fee was increased from $0.20 to $1.30. The source of the data is https://runway.adityaperswal.workers.dev/data/option-chain/XLF?feed=indicative and adjusted stock bars.
paths_each100000
steps52
scenarios12
call605_stop0.03
call605_target0.11
call605_premium7
net_target_fullrisk_RR0.53
blend_mean-3.46
HAR_mean-3.12
low_mean-3.73
quarterKelly0
actual_option_sample0
ETF Adaptation Costs
StrategiesrejectQuant replicationSPY, QQQ, IWM2026-09-06 06:12
A research paper, sr917, published in February 2020 and revised in August 2022, made a distinction between two types of exposure to the market, specifically costly unconditional exposure from 02:00-03:00 and a selective strategy based on negative closing-signed flow from 01:30-03:30. The paper used bid-ask data from 2004-2020. A follow-up report by the same author on July 1, 2026, found that the drift, or change, in the market from 02:00-03:00 was near zero from 2021-2025 and that the dispersion, or spread, of closing imbalances was compressed. This follow-up report is part of the same line of research and does not provide independent confirmation. Our own test of ETFs over the whole night used a different clock and instrument, and the positive gross return does not contradict the finding of a narrow hour fade in the original paper. Since futures data are unavailable and daily prices lack signed order flow, we do not claim to have exactly replicated the original paper. In conclusion, we reject using cash ETFs as proxies after considering costs and retain the original conditional mechanism as it has not been replicated. To conduct a new test, we need timestamped signed closing flow, executable quote history, and a fresh prospective window. Higher realized volatility alone cannot replace flow. No new fund is recommended without a numeric edge. The research papers can be found at https://www.newyorkfed.org/medialibrary/media/research/staff_reports/sr917.pdf and https://libertystreeteconomics.newyorkfed.org/2026/07/the-disappearing-overnight-drift/.
fixed combinations160
distinct entry rules2
cost assumptions4
actual allocation0
Fund Fees Explained
FundamentalrejectQuant replicationNSPY, NIWM, SPY2026-09-06 06:12
The fund's management fees are separate from the costs of buying and selling securities. On May 18, 2022, the fund's prospectus stated that it would invest in securities, ETFs, derivatives, and Treasury collateral to get close to the market's daily opening and closing prices, with a 0.55% annual management fee that does not include transaction or derivative costs. On July 14, 2023, the fund's board announced that the last trading day would be July 31 and the fund would likely be liquidated around August 10, not July 19. Before using old research as investment instructions, it's essential to check if the investment is still available and viable. The conclusion is that there is no entry for NSPY or NIWM based on the historical prospectus. The management fees go to the provider, transaction costs go to intermediaries, and the investor keeps the net return. A counterexample is that a fund's closure can be due to poor commercial scale rather than the absence of an anomaly, and the liquidation notice is not the sole cause. The fund's test using ETFs provides a separate rejection. The interest on cash collateral, futures basis, and roll mean ETF cash stock night test is not an exact replication of the fund's net asset value. The current product share valuation does not apply to historically liquidated funds. Sources include the SEC filings at https://www.sec.gov/Archives/edgar/data/1199046/000158064222002817/unifiedseriestrust_497.htm and https://www.sec.gov/Archives/edgar/data/1199046/000158064223003676/nightshares497s.htm.
historical management fee pct0.55
products2
actual allocation0
Overnight Signal
StatisticalrejectQuant replicationSPY, QQQ, IWM, EFA, EEM2026-09-06 06:12
A study analyzed five exchange-traded funds, or ETFs, with identical 2684-session histories from January 4, 2016, to September 4, 2026. The data, which includes open, high, low, and close prices, or OHLC, was split into two time periods: 2016-2020 and August 2021 to September 4, 2026. The SPY ETF had a gross mean overnight return of 3.373656 basis points, with a geometric breakeven point of 1.587993 basis points per side. The study found that the gross compound return of 56.98655% became -11.04239% at 2 basis points per side and -90.82762% at 10 basis points per side. A statistical analysis, called HAC 5 OLS, of the next day's open and close prices based on current and past intraday and 20-day volatility data showed a lagged beta of -0.015328, t-value of -0.620745, and R-squared of 0.02267. This means that price-only predictors did not identify signed flows. The strongest counterexample was the IWM ETF with a low cost of 15.96% and the SPY ETF with a lagged return of 6.38%, but their confidence intervals crossed zero and the base cost failed. The study also found that the overnight and intraday benchmarks exactly reconciled when corrected for passive close-to-close returns. The study's validity is limited by auction and dividend feed semantics, previously inspected dates, and bootstrap stationarity. The data source is https://runway.adityaperswal.workers.dev/data/stock-bars, with additional information in statistics.json and diagnostics.json.
symbols5
bars per symbol2684
later nights1420
SPY gross mean bp3.37
SPY breakeven bp1.59
lagged beta-0.02
HAC t-0.62
R squared0
actual allocation0
Sector Wrappers
FundamentalwatchSupply chainSMH, XLI, IYT2026-09-06 06:12
The premises are as follows: 1. The SMH February 1, 2026 statutory prospectus identifies dependence on third-party and raw materials, high capital expenditures, cyclical pricing, and a 25-name index; scarce chips can lift prices while foundry and material costs and new capacity hurt other holdings. 2. The XLI September 3 issuer weights are GE 4.62% and ETN 2.81%, totaling 7.43%; this is not an unaffected benchmark for our power-equipment watch. 3. The IYT September 3 weights are marine 2%, rail 31.57%, and airlines 14.87%, which is not a broad tanker freight proxy. The conclusion is valid: these ETFs provide predefined cross-sector execution controls, not causal estimates or new physical-bottleneck trades. The soundness limits are dated current weights that are not backcast, and issuer disclosures are broad rather than new order book evidence. A counterexample is that an ETF can profit from scarcity if the net constituent rent is positive; that requires dated component-level cash transmission, not its sector name. The start state N0 completed prospective incidents; the goal is independent profitable event payoff; binding constraint identification and realistic execution, not the ability to buy an ETF. The source is from the SEC archives and ETF websites. Observations from periods 5793 to 5795 and origins show no ETF 10K; read the statutory prospectus risk section.
SMH_index_names25
SMH_expense_pct0.35
XLI_GEV_ETN_weight_pct7.43
IYT_marine_pct2
IYT_rail_pct31.57
IYT_airline_pct14.87
eligible_incidents0
proposed_usd0
HAIN Shares
TechnicalrejectCatalyst run-upsHAIN2026-09-06 06:11
On September 4, the IEX close for HAIN was 7.521, with a 20-day simple moving average of 0.68332 and a 50-day simple moving average of 0.605924. The 20-session return was 26.12779% and the annualized 20-day close volatility was 140.95628%. The average daily range over 20 days was 0.061115 and the average true range over 14 days was 0.074685714. The 20-day low was 0.5116 and the 20-day high was 0.9048, with a mean IEX volume of 18,547.95, which is a partial market volume, not the total average daily volume. Two average daily range targets were considered, with 0.87433 being the higher target and 0.5116 being the lower stop, resulting in a reward to risk ratio of 0.50823, which is below 1.5. An average true range stop of 0.6774143 would be a diagnostic range barrier, but this was not demonstrated as it would invalidate the thesis. At 65 whole shares, the cost would be 48.8865 before fees, with a low 20 risk of 15.6325, which is greater than 1% of the account value of 8.5099. This would allow for a maximum of 35 shares based on the stop distance alone, but was still rejected due to a failed edge. The worst historical overnight gap was -30.43478%, which is not an upper loss bound. A 65-share loss at that gap would be approximately 14.88 USD. The close can change before Tuesday and there is no queued limit or current quote claim. Fractional shares are unnecessary for affordability, but no fill liquidity was verified. There is no holding progress to review. The data was sourced from https://runway.adityaperswal.workers.dev/data/stock-bars?symbols=HAIN,SPY,XLP&timeframe=1Day&feed=iex&adjustment=all, with a venue context book of 49.14 and an account value of 850.99.
close0.75
sma200.68
sma500.61
adr200.06
atr140.07
low200.51
target_diagnostic0.87
reward_risk0.51
affordable_shares65
stop_risk_65shares15.63
account_risk_budget8.51
worst_gap_pct-30.43
HAIN Trend Analysis
IndicatorsrejectCatalyst run-upsHAIN, SPY2026-09-06 06:11
A news scan found the headline is not available, but a data analysis of HAIN stock trends and volatility shows that the indicators used to predict stock performance are based on the prior day's closing price. The trend is determined by whether the closing price is higher than the 20-day and 50-day Simple Moving Averages, which is a calculation of the average price over a certain period of time. High volatility is defined as the Average True Range, a measure of price movement, over the past 14 days divided by the closing price, being above the median of 3.0091043% from the training data. The training data, which is used to teach the model, shows that when the trend is false, meaning the closing price is not higher than the moving averages, and volatility is low, the average return is -0.23825% for 6 instances. When the trend is false and volatility is high, the average return is 5.82893% for 6 instances. When the trend is true and volatility is low, the average return is 1.85433% for 1 instance. However, in the holdout data, which is used to test the model, all 6 instances have high volatility, and the trend is false for 3 instances with an average return of -18.01258% and a win rate of 0%, and the trend is true for 3 instances with an average return of -3.94076% and a win rate of 33.3333%. The current trend of true and high volatility has no support from the training data, so it is not possible to fit interactions or infer probabilities. The correlation between the Average True Range and return is 0.718389 in the training data, but -0.034644 in the holdout data, which is a small sample size. The SPY stock, which is used as a benchmark, has a mean return of -11.04040% when it is above its 50-day moving average, and -10.65804% when it is below, for the holdout data. This suggests that the broader uptrend does not rescue the poor performance. The analysis also notes that correlated price indicators are not independent confirmations, and that a pre-announced event in 2022 with a return of 6.55701% was excluded from the clean training data, which had a return of 30.80863% for 12 instances. The current pre-announcement status is not exhaustively proven. The source of the data is https://runway.adityaperswal.workers.dev/data/stock-bars?symbols=HAIN,SPY,XLP&timeframe=1Day&feed=iex&adjustment=all.
atr_train_median_pct3.01
holdout_highvol6
trend_true_holdout3
trend_true_mean-3.94
trend_false_mean-18.01
current_regime_train_n0
train_atr_return_corr0.72
holdout_atr_return_corr-0.03
HAIN Analysis
StatisticalrejectCatalyst run-upsHAIN, SPY, XLP2026-09-06 06:11
A news scan found the text describing an analysis of HAIN. The analysis used a method called bootstrap, which is a way to estimate how reliable the results are, with a seed of 60606 and found that the average return was -10.97667%. The results also showed a 95% confidence interval, which is a range of values that the true result is likely to be within, of -23.21708% to 2.91121%. Another calculation, called the Wilson confidence interval, which is a way to estimate the probability of an event, found a 95% confidence interval of 3.00534% to 56.35028%. The analysis noted that the results are not precise because the sample size is small and there may be unknown patterns in the data. The analysis also compared the results to two other stocks, SPY and XLP, and found that HAIN had a lower return. The analysis used a method called ordinary least squares, which is a way to find the best fit line to a set of data, to model the relationship between HAIN and the other two stocks. The results showed that HAIN had a daily return of -0.4030566% and was closely related to SPY and XLP. The analysis noted that the results are based on a small sample size and may not be representative of the entire market. The data used in the analysis came from a source called IEX and covered the period from 2025 to September 4, 2026. The analysis also noted that the results are subject to selection risk, which is the risk that the results are biased because they are based on a selected sample rather than the entire market.
sample6
mean_pct-10.98
ci_low-23.22
ci_high2.91
excess_spy_pct-12.39
excess_xlp_pct-11.19
ols_sample420
daily_intercept_pct-0.4
beta_spy0.77
beta_xlp1
r_squared0.05
bootstrap_samples50000
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