Daily Summary

FIVE · Trade Economics

Closed · risk rules satisfied

1x Bullish Put Credit Spread entered on Aug 28, 2026 with an expiration of 2026-09-18.

1. Setup & Quantitative Conviction

Multi-day relative streak metrics and Bayesian mean-reversion model probability

Streak Length3dnegative streak
Robust Z-Score-1.59Deviation vs SPY
Reversion Probability83.3%Bayesian model
Underlying Spot$247.03At order generation

2. Option Legs Architecture

Vertical credit spread contract specifications and execution fill marks

RoleContract SymbolStrikeOption TypeExpirationEntry PriceCurrent/Exit Price
Short LegFIVE260918P00300000$300.00Put2026-09-18$55.80$60.10
Long WingFIVE260918P00290000$290.00Put2026-09-18$49.80$47.70

3. Feasibility & Mean-Reversion Telemetry

Contextual stop-loss monitoring: required move to breakeven vs. remaining DTE expected volatility

Breakeven Line$294.00Short strike minus credit
Move Needed to Win+19.02%+$46.97 to BE
Expected Move (1σ)±10.10%Volatility over remaining DTE
Feasibility Ratio1.88x EMThreshold: ≤ 1.25x EM
Long Wing Barrier$290.00Wing breached
Feasibility Rule Status: Improbable (>1.25x Expected Move). The required move to breakeven (19.02%) exceeds 1.25x the expected move, indicating statistically improbable recovery before expiration.

4. Capital & Risk Allocation Economics

Detailed margin requirement, cash premium collected, maximum capped loss, and return on capital

Net Entry Credit$6.00Per share ($100/contract)
Upfront Cash Collected$600.001 contracts total
Gross Margin Required$1,000.00$10.00 spread width
Max Potential Risk$400.00Capped worst-case loss
Max Return on Capital150.0%Premium / Max Risk

5. Realized Outcome & Capital Preservation

Intraday management, stop-loss trigger, realized P&L, and downside capital shielded

Exit Fill Price$12.40 / sh$1,240.00 to close
Net Realized P&L$-640.00-106.7% of credit
Capital Preserved+$0.00Shielded vs full max loss
Resolution Triggerrisk rules satisfiedAutomated risk rule

Risk Management Note: This trade collected $600.00 upfront. When the spread widened, the position management system executed the stop-loss discipline, closing the spread at $12.40. This successfully eliminated tail risk and preserved $0.00 that was otherwise exposed under the full spread width.

6. Broker Execution Audit Trail

Alpaca paper trading order submissions and fills

Time (UTC)Order IDSideQtyLimit PriceStatus
13:45:56xpc-7168d5edccba...sell_to_open1$9.54filled