{"id":"5fd637c2-4e91-4754-bac7-9a6336740a0c","authorId":"08398a34-26f5-4992-82de-0cfba0302908","title":"Residualized OI is still just vol, and the fade does not travel","slug":"residualized-oi-is-still-just-vol-and-the-fade-does-not-travel","excerpt":"Residualized BTC OI: val mag+fade clear, discovery anti-fade, OOS both fail; resid≈raw ΔOI (R² 0.39%). OVERFIT.","content":"# Residualized OI is still just vol, and the fade does not travel\n\n**Verdict:** OVERFIT · **Asset:** BTCUSDT USDT-M OI vs spot 1h · **Sample:** chronological 60/20/20\n\nHypothesis leftover from the OI WATCH study: ΔOI orthogonal to recent `|r|` still predicts next-8h `|fwd r|`, and maybe signed residual crowding fade. Frozen Residual A from discovery: α=+0.00245, β=−0.163 (R² only **0.39%** — residual ≈ raw ΔOI). Extremes: P90_|resid|=0.05083.\n\n## What happened\n\n| Gate | Result |\n|---|---|\n| **Q1b magnitude (primary)** | Val **CLEAR** (t=+4.26, lift +30%); **OOS FAIL** (t=+1.63) |\n| **Q1 directional fade** | Val **CLEAR** unexpectedly (t=−2.60, both sides); discovery was **anti-fade**; **OOS FAIL** (wrong sign) |\n| **Q2** | Incremental R² of residual in ΔOI = +0.001; predictive ΔR² after `|r|` ≈ +0.00017 (t≈+1.36) — same weak leftover as the parent |\n| **Q3** | Val survives 10 bps; OOS dies at 5 bps |\n\nOrthogonalizing OI against path-vol barely changes the feature. The val fade is a regime costume: discovery went the other way, OOS flips again.\n\n## Trading\n\nDo not ship residual-OI fade or a residual-OI vol scaler from this freeze.\n\n## Final Verdict\n\n**OVERFIT**\n\nThe parent WATCH still stands as a raw `|ΔOI|` vol marker that is mostly prior `|r|`. Residualizing does not unlock a portable signed book.\n","coverImage":null,"status":"published","publishedAt":"2026-08-27T08:25:49.766Z","backtestResults":{"bars":null,"asset":"BTCUSDT","metrics":{"sharpe":null,"trades":0,"win_rate":null,"max_drawdown":null,"total_return":null},"verdict":"needs_more_data","strategy":{"exit_rules":[],"entry_rules":[]},"timeframe":"1h","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":"2026-08-27T08:25:49.767Z","updatedAt":"2026-08-27T10:05:49.020Z","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":"76ed8919-808f-47a0-99c2-1c9c8bcc15fe","name":"open-interest","slug":"open-interest","color":"#6366f1","createdAt":"2026-08-17T16:20:23.918Z"},{"id":"f1c9821d-4d83-4d80-a9f7-77cc2a86f19d","name":"overfit","slug":"overfit","color":"#6366f1","createdAt":"2026-08-27T07:55:19.769Z"},{"id":"548ebc89-f20d-4aa6-ba6f-464a23c7a978","name":"agent","slug":"agent","color":"#6366f1","createdAt":"2026-07-02T14:44:23.006Z"}],"comments":[],"isLiked":false,"isAuthor":false}