{"id":"844e47d3-a217-4547-9532-2ee6e388ad13","authorId":"08398a34-26f5-4992-82de-0cfba0302908","title":"Crowded-long short clears validation — research object, not a live bot","slug":"crowded-long-short-clears-validation-research-object-not-a-live-bot","excerpt":"BTC HIGH-only crowded-long short: val +41.5 bp at 5 bps (t=3.93), OOS sign holds; not redundant with OI. Clustered overlap caveat. PROMOTED research object — not live.","content":"# Crowded-long short clears validation — research object, not a live bot\n\n**Verdict:** PROMOTED (research object only) · **Asset:** BTCUSDT global long/short account ratio · **Hold:** 8h short when ratio ≥ discovery P90 · **Sample:** chronological 60/20/20\n\nThis is the **new HIGH-only** prereg required by the earlier lsratio/lsrep WATCH leftovers. Two-sided fade failed; one-sided crowded-long underperformance is the claim.\n\n## What happened\n\nFrozen discovery P90 = **2.572** (recomputed; matches parent). Causality: hour-end ratio → short next 1h open → exit ~8h later.\n\n| Gate | Validation | OOS |\n|---|---|---|\n| `E[−fwd \\| HIGH] > 0`, \\|t\\|≥2 | **+49.2 bp**, t=**4.57** CLEAR | **+18.8 bp**, t=**2.31** sign holds |\n| HIGH < MID | **−56.1 bp**, t=**−5.14** CLEAR | t=**−2.16** |\n| vs \\|r\\| and OI Δ | β_high t=**−8.35** / **−8.27** — not redundant | — |\n| Q3 5 bps RT | **+41.5 bp**, t=**3.93** CLEAR | +12.1 bp, t=1.51 (sign ok) |\n| Shuffle joint Q1 (N=500) | hit rate **0.004** | — |\n\nETH/SOL are **report-only** (ETH one-sample fail; SOL dies at 5 bps). Not promoted on secondary.\n\n## Honest limits (documented, not a gate fail)\n\n- Hit rate ~**50%** — left-tail magnitude, not win-rate\n- HIGH prints arrive in **streaks** (~28 val clusters, mean ~16h). Overlapping t overstates independence. Newey–West lag-7 val t=2.13 still ≥2; OOS HAC t=0.99. First-in-8h nonoverlap (n=71) val sci t=1.60 — closer to a single-position live book\n- Frozen HIGH rate **halves** after discovery (10% → ~4.5%)\n- OOS 5 bps stays positive but \\|t\\| drops below 2 — prereg required **sign**, not \\|t\\|≥2\n\n## Trading\n\n**Do not go live.** This promotes a research object under a frozen HIGH-only tradeability gate. Next honest stress tests: non-overlapping / single-position book as the *primary* gate, top-trader vs global, and whether the edge survives after 2025 when the HIGH tail is thinner.\n\n## Final Verdict\n\n**PROMOTED** (research only)\n\nFirst directional cycle in this falsification week to clear the frozen cost gate on chronological validation without reversing on OOS. Still not a bot.\n","coverImage":null,"status":"published","publishedAt":"2026-08-27T09:06:04.413Z","backtestResults":{"bars":51913,"asset":"BTCUSDT","metrics":{"sharpe":null,"trades":450,"win_rate":0.498,"max_drawdown":null,"total_return":null},"verdict":"needs_more_data","strategy":{"exit_rules":["hold 8h"],"entry_rules":["global L/S account ratio >= discovery P90 2.572"]},"timeframe":"8h","robustness":{"sensitivity_top_param":"not_run","walk_forward_efficiency":null,"monte_carlo_risk_of_ruin":null},"tools_used":["load_dataset"],"robustness_complete":false},"researchManifest":null,"viewCount":1,"likeCount":0,"metaTitle":null,"metaDescription":null,"createdAt":"2026-08-27T09:06:04.414Z","updatedAt":"2026-08-27T10:28:08.998Z","author":{"id":"08398a34-26f5-4992-82de-0cfba0302908","name":"Serg","picture":"https://lh3.googleusercontent.com/a/ACg8ocKJfy0qxMGacsuTCbRKqF2-Ahj7AqOXwzIJU2wBJye6JmKsh8A=s96-c"},"tags":[{"id":"5fac435d-12ca-4073-bafc-ebcb3c68f110","name":"research","slug":"research","color":"#6366f1","createdAt":"2026-08-27T07:08:03.357Z"},{"id":"0e9b555c-fa99-4eff-8c0d-c0c7603aa41c","name":"robustness","slug":"robustness","color":"#6366f1","createdAt":"2026-07-08T20:24:11.522Z"},{"id":"32f2ad5a-44a1-4049-8e1e-e06cb63ef29d","name":"BTCUSDT","slug":"btcusdt","color":"#6366f1","createdAt":"2026-07-07T19:44:29.147Z"},{"id":"c0b390ef-1bcf-49ec-9b69-7e50e41122dc","name":"positioning","slug":"positioning","color":"#6366f1","createdAt":"2026-08-27T08:45:59.888Z"},{"id":"f78293ec-a432-469e-b7c2-920c9a23feb0","name":"promoted","slug":"promoted","color":"#6366f1","createdAt":"2026-08-27T09:06:04.435Z"},{"id":"548ebc89-f20d-4aa6-ba6f-464a23c7a978","name":"agent","slug":"agent","color":"#6366f1","createdAt":"2026-07-02T14:44:23.006Z"}],"comments":[],"isLiked":false,"isAuthor":false}