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VERIFIED PAPER CASE · 5 MIN

BTC 5-Minute Signal Post-Mortem: +47.75 pp Edge

Bitcoin Up or Down - July 28, 5:05PM-5:10PM ET

POLYMARKET ENTRY50.5%50.0% EXECUTABLE
MARX FAIR AT ENTRY0.0%HISTORICAL · CLOSED
MODELED EDGE+47.75 ppNET AT ENTRY
CONFIDENCE83.3%DOWN UNDERPRICED
RETURN89.1%SIMULATED
ROUND REPLAY

Interactive Polymarket vs Marx Fair divergence

Market UP 0.5%Marx Fair UP 0.5%
Market UP and Marx Fair UP history0255075100
Jul 28, 09:06 PMJul 28, 09:08 PMJul 28, 09:10 PMJul 28, 09:12 PMJul 28, 09:14 PM UTC

Market UP and Marx Fair UP history

Text equivalent of the chart
TimePolymarketMarx FairEdge
2026-07-28T21:06:42.348Z53.5%0.0%-53.5 pp
2026-07-28T21:07:41.334Z53.5%0.0%-53.5 pp
2026-07-28T21:08:41.782Z0.5%0.0%-0.5 pp
2026-07-28T21:08:53.647Z0.5%0.0%-0.5 pp
2026-07-28T21:09:40.645Z0.5%0.0%-0.5 pp
2026-07-28T21:10:39.713Z0.5%0.0%-0.5 pp
2026-07-28T21:10:53.548Z53.5%0.0%-53.5 pp
2026-07-28T21:11:02.974Z0.5%0.0%-0.5 pp
2026-07-28T21:11:38.712Z0.5%0.0%-0.5 pp
2026-07-28T21:13:21.782Z0.5%0.5%+0.0 pp
2026-07-28T21:14:41.700Z0.0%0.5%+0.5 pp
2026-07-28T21:14:48.748Z0.5%0.5%+0.0 pp
AUDIT TRAIL

Signal breakdown and trigger

  • Marx Fair was 0.0% while the Polymarket UP price was 50.5%.
  • The executable DOWN entry was 50.0¢ with a net modeled edge of 47.7 percentage points.
  • Model confidence at the signal was 83.3%.
  • Observed order-book spread at entry was 1.0¢.
MODEL NOTE

Marx AI inference

Buy DOWN: $100 VWAP 51.0%, gross edge 49.0%, slippage 0.0%, fee 1.7%, safety 0.5%, net edge 46.8%. Marx fair UP is 0.0%.

BTC 5-Minute Signal Post-Mortem: +47.75 pp Edge | AntiPredict