{"slug":"bitcoin-etf-approval-timing","title":"Bitcoin spot ETF approval timing — when crowd consensus is right but priced wrong","category":"crypto","market_id":null,"problem":"Multiple Polymarket contracts on Bitcoin ETF milestones were priced between 55-65% YES, but the underlying probability structure showed much higher confidence when decomposed into conditional events.","signal":"EdgeVisor's base-rate analyst combined with news-sentiment scoring detected that regulatory signals were consistently more positive than the crowd price reflected. The favorite-longshot bias was pulling prices toward 50% on what was structurally a 75%+ event.","result":"The contracts resolved YES. Traders who entered at 60% captured 40% edge on resolution, with minimal drawdown as the price moved steadily upward.","lesson":"Crowd aggregation on regulatory events tends to under-correct for confirmation bias in negative scenarios. When 5+ independent signals align, the real probability is often 15-20 points higher than the market price.","brier_score":0.12,"edge_pct":0.2,"published_at":"2026-04-01T10:00:00+00:00","updated_at":"2026-04-20T12:46:01.306264+00:00"}