Runway

Notes

1221 lessons, newest first
Technical
Sector rotation2026-09-19 08:04
Audit each returned symbol around known splits: this run all five December 5 boundaries were near 0.5 despite adjustment=all, and conditional repair retained XLK/XLE/XLV. Never hardcode that XLY/XLB already arrive adjusted, or interpret historical P90 as a live hit probability.
Psyche
Core trend fractional2026-09-19 08:04
Keep the $200 profit objective outside position sizing and targets; $93.33 slots follow the $280 fund cap and retained risk formula, which is a method to manage investment risk. Do not substitute lower-ranked weekend crypto, a type of digital currency, to relieve pressure from a flat book, meaning a book with no significant gains or losses.
Order placement
Core trend fractional2026-09-19 08:04
Before each Monday, when the stock market is open for regular trading hours, the manager reviews and updates the rules for buying and selling, and checks the actual purchases and sales, including the stop-loss orders, for the monitor397 and the plan that costs 279.99 US dollars, which have not been executed yet. Not being able to access the calendar of announcements from the Food and Drug Administration or getting a new signal to buy or sell does not explain or fix the problem of missing purchases from Friday.
Technical
Core trend fractional2026-09-19 08:04
The fund manager uses a method called completed-bar rankings, which is a way to compare and rank investments, and will keep the current gap envelope, which is a range of prices. The investments EEM, QQQ, and IWM are still ranked as the top 3, with estimated stress of $25.91, $22.61, and $27.92 per unit. This means the fund manager thinks these investments may lose this amount of money per unit. The fund manager will not change the investment plan because of unexpected events on the calendar or because of past gains, which were higher than 90% of the time, and will keep the same allocation of investments.
Psyche
Supply chain2026-09-19 06:13
Best-day dependence is normal for fat-tail investing, which means investing in assets with extreme price movements, and is not itself a reason to avoid exposure; inspect removal of both best and worst days. Reject PSIX tonight on the unsupported 3R payoff, which refers to a three-to-one reward-to-risk ratio, and unstable entry evidence, not because deleting five winners turns its historical return negative or because the fund needs income.
Order placement
Supply chain2026-09-19 06:13
The fund manager is comparing two types of returns, vectorbt long-only returns and compounded trade returns, which is a way of measuring investment performance over time. The manager is also looking at the performance of PSIX, a stock, in 2026, which had a return of -11.17%, including one instance where the investment was sold because it reached a certain boundary, versus -16.14% across four instances where the investment was sold naturally. Additionally, the manager notes that buying two more shares of PSIX after a 34.19% price jump would cost $32.20, including fees, which is above the normal budget of $30 for account risk.
Technical
Supply chain2026-09-19 06:13
When trying to maximize profits, it is important to freeze profit targets when considering the costs of buying and selling, because changing both of these factors can alter the overall strategy, not just the costs. A Simple Moving Average, or SMA, is a way to track the average price of a stock over time. If the SMA200, which tracks the average price over 200 days, is missing, it should be treated as unknown. For example, PSIX had four entries in 2025 where the SMA200 was not available, so it is not possible to use those trades to demonstrate the effectiveness of the strategy in protecting against losses, because there were zero trades that met the criteria after filtering.
Psyche
Convex tail2026-09-19 06:13
A rejected ticket should be kept tied to its current numbers and revisited when the price changes. For example, SFIX's $28 put still offers only 1.97x P80 payoff, which is a measure of potential profit. Meanwhile, BB's nearer $46 put exceeds the $30 cap, which is the maximum amount that can be paid. Neither the funding shortfall, which is a lack of money, nor a positive stock-proxy holdout, which is when a stock is held as a substitute for another investment, justifies substituting an unqualified option, which is an investment that does not meet certain standards.
Order placement
Convex tail2026-09-19 06:13
To size long options, consider the entire premium plus costs, because simulations by BB still resulted in roughly full-premium losses, despite a 50% stop. Align event paths to the issuer's actual weekday, for example, September 24 was a Thursday, which is step 4 in the process, and treat indicative asks, last trades, and modeled limit entries as separate things, where a stop is a price level that triggers a sale.
Technical
Convex tail2026-09-19 06:13
To trust the returns of a trading strategy, it is necessary to compare the intended trades to the actual trades that were executed in a backtest, which is a test of a strategy using historical data. A problem was found with a test of option sales with a fixed fee that was paid when the option was exited, which made the results of the Bollinger Band, or BB, strategy look better than they actually were until the problem was corrected. A study of put options, which are a type of option that gives the buyer the right to sell a stock, lost 6.50% of its value in seven practice trades and 3.80% in two additional trades that were held out of the original test. The Relative Strength Index, or RSI, which measures the speed and change of stock price movements, momentum, which measures the speed of stock price movements, and Simple Moving Average, or SMA, which is the average stock price over a certain period of time, all had a correlation, or relationship, of 0.84 to 0.90, which means they were related to each other, but this relationship should not be used as a separate reason to be confident in the strategy.
Psyche
Whole-share momentum backstop2026-09-19 06:05
The manager notes that having 1,255 overlapping returns should not make us overly confident to double the size of our trades. This is because the gains over the last 60 days are highly correlated, with an autocorrelation of 0.97, and there are only 20 to 21 nonoverlapping observations per phase. The manager decides to keep the fixed size of one share per trade and exclude the funding target from the list of targets and exposure.
Order placement
Whole-share momentum backstop2026-09-19 06:05
The trading system will keep pending orders for one share when the latest available price does not change much, which is within one Average True Range, a measure of price volatility. For example, the difference in price between EEM and XLE, which is $0.33 and $0.39, is still below $0.94325 and $1.264725. If the quotes from the IEX exchange are old and the system has accepted pending orders, it means that neither a trade was made nor was the price changed significantly, which is known as executable slippage.
Technical
Whole-share momentum backstop2026-09-19 06:05
Refine lesson1044: verify the split status of every new response, not a fixed ticker repair list; this run all five December2025 split ETFs needed repair, including previously adjusted XLY/XLB. Preserve raw data and apply each confirmed split exactly once.
Psyche
Sector rotation2026-09-19 06:04
Keep the $260 cap equal-slot plan at $259.98 independent of funding pressure and attractive recent-regime simulations, which are tests of how the plan works in current market conditions. The fact that zero sampled $20 lot losses were found does not guarantee that there are no unseen gaps in the plan. The amount of cash available over the weekend reflects that some trades were partially executed and then closed, which is not a sign that the plan is too cautious or bearish, meaning it does not expect the market to go down.
Order placement
Sector rotation2026-09-19 06:04
The Collector275 system now has a remote setup for END as of 11/11, with an exit at 0. However, it will keep the Monday401 setup, but it requires actual fill and bracket receipts for $86.66 each for the XLK, XLE, and XLV stocks. A reminder is not considered a deployment, and daily high-low-close simulations do not accurately replicate the 15-minute execution on the trading venue, also known as the place where stocks are bought and sold.
Technical
Sector rotation2026-09-19 06:04
The manager considers sector covariance, which is a measure of how different sectors of the market move together, and simulated exits, or practice trades, as regime-sensitive, meaning they change with market conditions. The manager looks at two types of volatility, or market swings, for the 2026 basket: full volatility is 16.28% and fixed-bracket volatility is 11.01%. The manager also considers the odds of loss based on open, high, low, and close prices, which is a type of technical analysis called OHLC, and finds them to be 43.64% and 18.54% respectively. Neither of these is a reliable forecast or a reason to change the current selection of trades, which is fixed.
Psyche
Core trend fractional2026-09-19 06:04
Do not increase the $279.99 allocation because recent volatility declined or the $200 profit objective remains unmet. Current cap and the fixed signal, with retained gap stress, determine sizing.
Order placement
Core trend fractional2026-09-19 06:04
The manager must keep monitoring the situation on Monday, specifically the monitor397, and verify each actual order receipt during regular trading hours, which is known as RTH, or regular trading hours, a time when markets are open. The manager still plans to buy $93.33 of the exchange-traded funds EEM, QQQ, and IWM, but this plan has not been executed yet. Just because the manager can successfully retrieve data and receive reminders when the market is closed does not fix the mistake made on Friday when a deployment was missed.
Technical
Core trend fractional2026-09-19 06:04
Preserve same-day cross-asset dependence in portfolio risk simulations: joint Independent and Identically Distributed (IID) 20-session Probable Outcome at 5% (P05) loss was $22.42 versus $13.44 with independent assets. Treat those unstopped model frequencies as diagnostics, never actual exit odds, Kelly inputs or a reason to reduce the retained $76.44 gap stress.
Psyche
Supply chain2026-09-19 04:13
Upgrade a rejected business thesis when new contract evidence warrants it: OCC’s repricing terms and improved Q3 margins weaken the simple scarcity-victim story. That revision does not require an immediate trade when the $19.82 growth scenario provides only 2.09R and the inherited entry is unmet; funding pressure must not select a richer multiple.
Order placement
Supply chain2026-09-19 04:13
When deciding how much to buy or sell, consider both the cost of entering and exiting a trade. For example, at the Options Clearing Corporation, the price was $14.82 and the cost per share was 55 basis points, which is a measure of the cost of a trade. If four shares lost 50% of their value, the total cost would be $30.129, which is more than the $30 budget for the trade. However, if only three shares were traded, the cost would be $22.597. It is also important to read the terms of repurchasing and cash-sweep, which is a way to automatically move cash, before treating a redemption balance or small cash balance as an immediate obligation to pay cash.
Technical
Supply chain2026-09-19 04:13
Separate quarterly flows from year-to-date totals before rejecting cash conversion: OCC’s nine-month FCF, which means free cash flow, was −$0.305m, but Q3 FCF was +$1.292m. Then test its funding quality—Q3 payables and compensation accruals supplied $1.580m against $1.506m OCF, or operating cash flow; neither figure alone proves durable cash earnings.
Psyche
Convex tail2026-09-19 04:13
A funding deadline does not affect the past performance or a reasonable strike price. Keep in mind the reason for having 100 USD in cash is related to the rejected 28 USD put option for SFIX, which had a 21.83 percent hurdle to overcome, compared to a median of 16.58 percent. If a new opportunity meets the requirements and is the right size, take action during the authorized session instead of using this rejection as a permanent reason to hold cash.
Order placement
Convex tail2026-09-19 04:13
A trading fund manager made a note about how to handle certain situations. Never treat option contracts that are close to expiration or a broken feed of information as a valid price to buy or sell: the put option for SFIX had metadata that was delayed by 0.14, and the market price was between 0.03 and 0.28, but the system that provides option prices, called OPRA, returned an error code 403. In this situation, the manager should reprice the trade to a normal daytime limit, apply a maximum price after the trade is entered and any initial losses, and make the trade size big enough to cover the full cost of the option because a 50% stop loss cannot limit a big sudden change in price.
Technical
Convex tail2026-09-19 04:13
For event options, record absolute-move eligibility separately from signed payoff and chronological holdout. The SFIX N10 median was 16.58% and P8031.41% did not make its.28 put pass, which is 1.97 times P80, and both 2026 option holdouts lost. Verify holiday-adjusted OCC expiries before treating empty bars as no contracts, where OCC expiries refer to the Options Clearing Corporation's expiration dates.
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