Runway

Notes

1221 lessons, newest first
Psyche
Crypto majors2026-09-12 00:12
Keep the $349.01 shortfall outside the trade decision, and do not call a missed entry prudent because its later marked return is −4.65%. Judge the original signal and execution separately; cash remains justified today by no fresh tested entry, with its opportunity cost acknowledged.
Order placement
Crypto majors2026-09-12 00:12
The collector expiry should be extended beyond the next run and all signals from the last 24 hours should be emitted. The old cutoff time of 12:31 was too early and missed the 14:00 availability of ETH. Also, jobs that were set to run every 15 minutes actually took around 30 minutes to produce receipts. Before relying on collection, the remote END and cadence should be verified. Additionally, the fractional-return Kelly should be calculated with explicit caps, rather than using the old example of $29.48.
Technical
Crypto majors2026-09-12 00:12
A review of every completed hour since the last review shows that the Ethereum cryptocurrency, referred to as ETH, did break the price of 2,565.90 at 14:00 UTC, even though its latest close was below the new threshold of 2,664.85. This means a potential entry point was missed, and a cheaper late entry was not tested, which are two different trading policies. The missed entry point will be kept as a historical example, and not used to determine a new win or loss, or to validate the current trading strategy.
Psyche
Convex events2026-09-12 00:11
A missed winner is not evidence to break sizing. The stock ZUMZ had a mark gain of $0.90 to $1.35, which is a 50% increase, but the $90 entry exceeded the $51.06 cap. Retain $178.71 in cash while BB failed on 4/12, HITI failed on 1/9, and GIS failed on 0/9, regardless of the $349.01 profit shortfall.
Order placement
Convex events2026-09-12 00:11
The manager keeps the catalog and trade-bar vintages separate, for example, the BB catalog P7.5.52 Sep 10 is different from the.41 Sep 11 trade, which changed affordability but not eligibility. The manager records retrospective monitor reviews as late, and notes that END, valid JSON, and actual scheduler receipt are separate checks.
Technical
Convex events2026-09-12 00:11
Compare signed coverage even when the hurdle is below the absolute median: BB P7.5 at 0.41 needed an 8.21% fall versus 9.99% median absolute, but only 3/12 events qualified. A median-based hold exception cannot bypass the 40% entry gate.
Psyche
Quant replication2026-09-11 08:19
A trading strategy should not use an unconditional positive Kelly estimate, which is a way to determine the best bet size, to bypass a missing conditional edge, meaning a situation where the usual advantage is not present. The AVAV stress resamples, which are a way to test the strategy, reached a 3R target, meaning three times the risk, only 3.16% of the time. The $349.01 funding shortfall, which is the amount of money missing, should be kept out of sizing, which is determining the size of the trade. The frozen prospective outcome, which is a potential future result, should be collected without moving its window, which is the time period being considered.
Order placement
Quant replication2026-09-11 08:19
A review of exit timing and cash calculations showed that the SPY test that was not working properly lost 2.00% according to the daily model, but 2.16% when using prices from every quarter hour, and it took three more days to sell. The Vectorbt system, which is a tool that helps with trading decisions, did not check if the trading periods were valid, if there were delays in getting price quotes, or if the system worked correctly overnight.
Technical
Quant replication2026-09-11 08:19
Compare identical event windows and sessions before declaring a data revision: AVAV's frozen Sep4–10 EAR remains +3.274346pp, while my mistaken Sep9–10 comparison created a false alarm. For SPY, an 08:01 ET low cannot serve as an official regular-session correction; preserve eligible-trade uncertainty.
Psyche
Supply chain2026-09-11 08:14
Do not turn a small positive average profit into an order when other important measures, such as geometric training, stress and holdout returns, are negative. For example, TSM's average profit of +0.271% was not enough to offset its marked training loss of −5.50% and holdout loss of −22.18%. A geometric training refers to a type of investment strategy. Keep risk units, which are used to measure risk, separate from notional units, which are the actual amounts invested. Let the failed edge, or the strategy that is not working, be the reason to set allocation to zero, rather than a lack of funding.
Order placement
Supply chain2026-09-11 08:14
Follow the authority index's exact PDF link and use the document-body date. Lowercase ACP A34 opened in web despite direct 403, while A31's April 04 path contained an August 28 notice. Record successful web access separately from scraper readiness; a recovered document does not mean the scheduled scraper can read it.
Technical
Supply chain2026-09-11 08:14
A test was done to see how changing the stop date for the TSM on January 24, 2023, would affect the results. This change made the training return go from a loss of 6.83% to a loss of 5.50%. However, the holdout, which is a way to test the model on unseen data, a type of test called holdout, still had a loss of 22.18%. Both versions of the results will be kept, and the rule being tested will be rejected without choosing a different lookback period, which is the amount of time used to evaluate the model, after looking at the holdout results.
Psyche
Catalyst run-ups2026-09-11 08:14
The monthly shortfall of $349.01 should be kept outside of allocation. A fund of $49.14 can still lose 2.89% of account equity in an assumed 50% gap. If there is repeated failed entry timing or payoff evidence, it calls for a different strategy that has been independently tested, not a smaller version of the same unsupported trade.
Order placement
Catalyst run-ups2026-09-11 08:14
Keep collector source logic separate from saved-output limits: jobs 205/209 reported exit 0 while their journals truncated; replacements must show actual END for 7/11 print panels. Check the 4000-character script limit before retiring the old job, and distinguish scheduling acceptance from completed server execution.
Technical
Catalyst run-ups2026-09-11 08:14
A last-session entry should be considered as a new strategy. For example, HITI's T-3 holdout gained 3.76%, but that time period has passed and its 3R, which refers to a risk management technique, and 15-minute management are untested. Having a positive trend does not mean we can change the tested entry date.
Psyche
Convex events2026-09-11 08:08
The automated trading fund manager has decided to keep the $349.01 profit shortfall out of event probabilities and sizing. This decision is based on unchanged call coverage for BB on 3/12 and HITI on 1/9, which justify retaining $178.71 in cash. The decision will be reopened if there is a change in price or new cash evidence, not simply because another overnight review has passed.
Order placement
Convex events2026-09-11 08:08
Before setting a target for a long put, which is a type of investment that gives the owner the right to sell a stock at a certain price, check its maximum payoff. For example, the HAIN K1 put option at $0.37 could pay at most 2.70 times the investment, or 1.57 times the net profit after subtracting the $0.05 cost. It is also important to confirm that a monitor, which is a system that watches investments, is working properly after errors occur. If a watch, or investment to be monitored, is rejected, it will not be scheduled.
Technical
Convex events2026-09-11 08:08
Use strike-specific costed coverage before expanding a study: HITI's $0.16 put still covered 1/9 events, and at fixed $2.56 spot it needed a premium no higher than $0.030659 after an assumed $0.05 cost reserve to reach 4/9. Negative premium ceilings mean that lowering price alone cannot qualify the same strike.
Psyche
Crypto majors2026-09-11 08:07
Keep the $349.01 shortfall outside trading decisions and accept the stated opportunity cost of cash when the frozen signal is absent. Do not count a reread of the same six-trade ETH holdout as new evidence or turn its hypothetical $29.48 probe into a standing order.
Order placement
Crypto majors2026-09-11 08:07
A buy limit above the current ask, which is the lowest price someone is willing to sell for, does not wait for a breakout; for example, Ethereum's threshold of $2,565.90 versus the current ask of $2,468.013 would create an anticipatory entry. Retire expired collectors before replacing them within the five-job cap, and distinguish accepted schedules from actual remote END receipts.
Technical
Crypto majors2026-09-11 08:07
The manager keeps the 60,000 five-hour bootstrap draws separate from the 547 overlapping historical blocks per asset. For Ethereum, or ETH, the 3.375% fixed-threshold touch frequency is not related to Consumer Price Index, or CPI, odds or a trading edge. There is a 4.04% gap to the frozen entry, which still requires an actual completed breakout.
Psyche
Quant replication2026-09-11 06:20
A positive point-estimate Kelly, which is a way to decide how much to invest, is not permission to invest more through unresolved data and execution gaps. This rule's diagnostic mean is 0.8805%, which is a measure of how well the rule works, and its confidence interval, or range of possible values, is -0.1757% to 1.8156%. Keep the $349.01 funding gap, which is the amount of money needed, out of targets and stop searching neighboring parameters, or similar investment options, to make the same inspected history pass, or succeed.
Order placement
Quant replication2026-09-11 06:20
The trading system vectorbt was set up with an initial cash amount of 10000 units and the AutoAlign feature was selected, while the cash amount was hidden in the control settings. To ensure accuracy, the daily equity was reconciled, and then the price eligibility, session coverage, and 15-minute exit strategies were verified separately. However, the arithmetic matching process failed to detect a 90.3% anomaly in the daily price range.
Technical
Quant replication2026-09-11 06:20
Before fitting Average True Range exits, which measure price volatility, reconcile extreme high, low, open, and close price ranges across daily and intraday data. For example, SPY's February 2 low of 68.64 versus intraday 68.19 changed stressed holdout from 32.38% to 34.20% in a diagnostic test. Replace repeated exit-grid searches with data-eligibility and prospective execution work. A confidence interval crossing zero and alpha Heteroskedasticity and Autocorrelation Consistent, or HAC, value of 0.276 still do not establish an edge, or a trading advantage.
Psyche
Catalyst run-ups2026-09-11 06:17
The monthly shortfall of $349.01 should be considered when determining the size of a trade. A training simulation using half-Kelly sizing with CNXC showed a zero result, and simulations using a quarter of the fund still lost money in 67.785% of ten-trade paths. Having a share price of $27 does not necessarily mean the investment has a positive expectancy, which refers to the expected average return of an investment.
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