House Vesper — 2026-07-28

desk: house-vesper date: 2026-07-28 forecasts: vesper: p_trade: 1.0 direction: none conviction: high

Desk Plan — House Vesper — 2026-07-28

Briefing reference: /Users/dadbot/Desktop/ClaudeBod/projects/dadbrain/Analysis/briefings/2026-07-28-pm.md PM: VESPER

Shared Market Read

• Event risk today: HIGH — FOMC decision tomorrow (July 29, 2:00 PM ET). The macro event dominates. 28–35% hike probability (up from 12% a week ago) creates binary overnight risk. Consumer Confidence (10:00 AM) is the only data before tomorrow. None of which changes VESPER's unconditional hold — the backtest covers every FOMC night in its 1759-cycle sample.
• Session character expected: FOMC-eve compression. AI/semi rout (day 2 after NVDA/OpenAI $250B financing story + China lithography news) dominates the tech tape. Two-tier divergence continues: Dow futures +0.25% vs Nasdaq futures −0.89%. SPY futures −0.12% — indecisive. The intraday tape may see reversal attempts in semis after Monday's rout. Low directional conviction on the broad market. None of which matters to VESPER — flat during the day.
• VIX regime: 19.02 (MID — crossed up from LOW into MID range). VESPER has no VIX filter — holds through all regimes. The backtest's full-sample 4.151 bps/day net covers every VIX regime from sub-12 to COVID 80+.
• Key levels: SPY prior close 738.85, futures −0.12%. SMA20 746.62 (below SMA20). ATR(14) 7.27. The only level that matters to VESPER: tonight's 16:00 auction-inclusive close, which sets the entry anchor for the new overnight position.
• Macro backdrop: AI/semi rout is the dominant sector narrative, but it's tech-specific — SPY may be more resilient due to two-tier divergence (Dow/DIA holding up +0.25%). FOMC-eve positioning adds headline sensitivity but low directional conviction. Oil consolidating near $81–82 after −8.3% Monday crash. 10-year yield easing to 4.62%. VESPER holds through all of it — the overnight premium is paid for bearing these gaps.

VESPER — SPY (unconditional overnight hold)

Direction forecast: none — VESPER's edge is the session boundary, not directional. The position is always long, but the strategy earns from the overnight premium, not from predicting direction. Scored on p_trade only (direction hits are mechanical, not forecast).

p_trade: 1.0 | direction: none | conviction: high

Position Status (Cycle Closing at 09:31)

The overnight SPY long from Monday entry ($739.26) exits at 09:31 ET today. This position was entered at Monday's 16:00 close via MOC anchor.

Exit at 09:31 ET: Marketable-limit sell at 09:30:00 ET, flat by 09:31. SPY futures −0.12% imply a near-flat open. The two-tier divergence (Dow +0.25%, Nasdaq −0.89%) means SPY could open anywhere — the semi rout drags while defensives hold up. This exit is simply the mechanical close of the prior cycle. The execution-cost SPRT (n=8) is at LLR +3.000, CONSISTENT — in simulation the ledger prices at anchors, so shortfall ≡ 0.

Recent cycle context: This was the 8th paper trade. Prior running net P&L: −$197.82 (37.5% WR, 8 trades). A stretch of 5 losses in 7 cycles preceded the weekend hold and Monday entry. The weekend-hold cycle (Friday close → Monday open) and Monday entry will update the P&L. The mechanism watch remains well above floor — trailing means unchanged for now.

Tonight's Entry — Elevated Overnight Risk Note

Unconditional MOC buy SPY at 16:00 ET. Standard sizing: 90% of projected equity. The overnight premium is unconditional — every session, every night, no skips.

FOMC-eve risk context: FOMC decision tomorrow at 2:00 PM ET. This creates elevated overnight gap risk for any position entered tonight (the gap from today's 16:00 close to tomorrow's 09:31 open includes the pre-decision tape, the decision itself, and the post-FOMC press conference overnight session). Specific risks:

• The 28–35% hike probability vs 65–72% hold creates binary overnight gap distribution
• If FOMC hikes: SPY could gap down 1–3% at tomorrow's open
• If FOMC holds: SPY could gap up 0.5–1.5% depending on Powell/Warsh language
• The overnight premium statistical distribution already encompasses all FOMC nights in the backtest (1759 cycles, every FOMC since 2018)

VESPER's stance: this is exactly what the unconditional strategy is designed for. The premium is paid precisely for holding through these gaps. The backtest holds through every FOMC night in its sample, including the COVID crash (−26.5% at 0.9 notional via 2020 peak-to-trough), 2022 rate-hike regime, and the 2022 FOMC year that produced the mechanism's worst annual performance (−12.7% overnight leg). A single FOMC gap, even a severe one, is noise in the 250-observation annual sample. No adjustment, no skip, no sizing change.

Mechanism Watch & Monitors

The mechanism watch will update after tonight's cycle closes (adding one observation to the trailing windows). Expected to remain decisively above the 0.655 bps/day kill floor.

Key Rules Check

• Unconditional hold: ✓ — every session, no signals, no skips
• No stops: ✓ — position exists only when market is closed
• SPY only: ✓
• 90% notional, no leverage: ✓
• Anchor discipline (16:00 / 09:31): ✓
• Cost budget ≤ 1.0 bps/day: ✓ — in simulation shortfall ≡ 0
• Kill discipline on market data: ✓ — mechanism watch OK

What I'm Watching

1. 09:31 exit execution quality — This closes the Monday entry ($739.26). SPY futures near flat (−0.12%). The fill quality is the only P&L-relevant event of the morning session. Post-exit, I am flat until 15:50 ET.
2. 16:00 close anchor price — Tonight's entry price. FOMC-eve sessions can see compressed or extended close prints depending on pre-positioning flows. Consumer Confidence at 10:00 AM may shift the intraday trajectory. The entry anchor's precision depends on the auction-inclusive 16:00 bar — Alpaca buckets the closing auction into the 16:00 bar (ASSAY-verified).
3. Mechanism watch update — After tonight's cycle closes, the trailing-250 and trailing-500 means update with one new observation. Current cached values (+8.277 / +4.995) are well above the 0.655 floor. Expected to remain OK.

Invalidation

VESPER does not invalidate — the strategy is unconditional. There are no intraday conditions that could cause a skip or stand-down. 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 — not an automatic skip. No such conditions are present.

Plan Filed

• Filed: 2026-07-28 07:30 ET
• Frontmatter forecasts complete for every active member: yes