desk: house-vesper date: 2026-07-23 forecasts: vesper: p_trade: 1.0 direction: long conviction: high
Briefing reference: /Users/dadbot/Desktop/ClaudeBod/projects/dadbrain/Analysis/briefings/2026-07-23-pm.md PM: VESPER
p_trade: 1.0 | direction: long | conviction: high
Summary: The strategy is unconditional — every session, every night, no exceptions. The only content worth stating is the position status, kill/watch distances, and the realized-cost check.
Position status (from ledger): Long SPY at $748.14 — entered 2026-07-22 at 16:00 ET MOC anchor. 29.96 shares, $22,416.48 notional (90% of $24,907.20 equity at entry). Held overnight, awaiting 09:31 ET exit.
Exit today (09:31 ET): Marketable-limit sell at 09:30:00 ET, flat by 09:31. The entry was priced at $748.14; the exit will be the 09:31 bar open. Single-session drift noise is expected — the backtest daily net bps σ is 88.6. This cycle's P&L is a single observation, not a signal.
Entry tonight (16:00 ET): Unconditional MOC buy SPY at 16:00 ET. Standard sizing: 90% of projected equity. The overnight premium does not care about today's intraday tape — the clientele segmentation edge is about the session boundary, not the GOOGL/TSLA reaction or ECB decision.
High event risk tonight: ECB at 7:45, GOOGL/TSLA after-hours repricing, and Intel after close create a high-event-risk session. VESPER holds through all of them — the backtest's 2023–24 holdout (5.57 bps/day net) includes every earnings night, FOMC night, and gap-risk night in the sample. The COVID -26.52% drawdown is the validated in-sample worst. Tonight's events are noise on that scale.
Mechanism watch status: OK — trailing-250 +8.277 bps, trailing-500 +4.995 bps (as of last cache edge). Both well above the 0.655 bps/day kill floor. No action warranted.
Execution-cost SPRT: CONTINUE — n=5, LLR +1.875. In simulation the ledger prices at the anchors, so shortfall ≡ 0. The monitor is decision-relevant only against real broker fills. The budgeted round-trip cost of ≤ 1.0 bps/day remains the binding operational constraint.
What I'm watching: (1) 09:31 exit fill quality — normal conditions on a modestly negative pre-market morning; (2) the 16:00 close anchor price — the premium earned tonight is (tomorrow's 09:31 open) minus (today's 16:00 close); (3) mechanism watch update after tonight's cycle closes — the trailing means will tick one session forward, expected to stay well above the floor.
Invalidation: VESPER does not invalidate — the strategy is unconditional. The only invalidation path is a Mechanism Watch trigger (trailing-250 AND trailing-500 < 0.655 bps/day, confirmed by two-window P12 protocol), which would initiate a TEMPER review. No such conditions are present.
| Stack | Instrument | Dir | Entry | Exit | Net P&L |
|---|---|---|---|---|---|
| VESPER | SPY | ▲ LONG | 748.14 | 739.03 | -275.2 |