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VERIFIED PAPER CASE · 15 MIN

BTC 15-Minute Signal Post-Mortem: +42.07 pp Edge

Bitcoin Up or Down - July 28, 8:45PM-9:00PM ET

POLYMARKET ENTRY49.5%50.5% EXECUTABLE
MARX FAIR AT ENTRY94.8%HISTORICAL · CLOSED
MODELED EDGE+42.07 ppNET AT ENTRY
CONFIDENCE83.3%UP UNDERPRICED
RETURN-100.0%SIMULATED
ROUND REPLAY

Interactive Polymarket vs Marx Fair divergence

Market UP 0.1%Marx Fair UP 0.1%
Market UP and Marx Fair UP history0255075100
Jul 29, 12:45 AMJul 29, 12:50 AMJul 29, 12:54 AMJul 29, 12:58 AMJul 29, 01:03 AM UTC

Market UP and Marx Fair UP history

Text equivalent of the chart
TimePolymarketMarx FairEdge
2026-07-29T00:45:39.882Z70.5%100.0%+29.5 pp
2026-07-29T00:46:44.060Z70.5%100.0%+29.5 pp
2026-07-29T00:48:07.451Z70.5%100.0%+29.5 pp
2026-07-29T00:48:41.981Z70.5%100.0%+29.5 pp
2026-07-29T00:49:46.108Z30.5%100.0%+69.5 pp
2026-07-29T00:50:41.238Z32.5%100.0%+67.5 pp
2026-07-29T00:50:44.117Z30.5%100.0%+69.5 pp
2026-07-29T00:51:43.377Z32.5%100.0%+67.5 pp
2026-07-29T00:52:45.968Z32.5%100.0%+67.5 pp
2026-07-29T00:53:41.232Z32.5%100.0%+67.5 pp
2026-07-29T00:54:41.970Z34.5%100.0%+65.5 pp
2026-07-29T00:55:42.167Z34.5%0.1%-34.4 pp
2026-07-29T00:56:41.255Z0.1%0.1%+0.0 pp
2026-07-29T00:59:46.037Z0.1%0.1%+0.0 pp
2026-07-29T00:59:53.466Z0.1%0.1%+0.0 pp
2026-07-29T01:00:38.604Z0.1%100.0%+99.9 pp
2026-07-29T01:00:42.756Z0.1%100.0%+99.9 pp
2026-07-29T01:01:43.016Z0.1%100.0%+99.9 pp
2026-07-29T01:02:51.884Z0.1%0.1%+0.0 pp
2026-07-29T01:03:12.638Z0.1%0.1%+0.0 pp
AUDIT TRAIL

Signal breakdown and trigger

  • Marx Fair was 94.8% while the Polymarket UP price was 49.5%.
  • The executable UP entry was 50.5¢ with a net modeled edge of 42.1 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 UP: $100 VWAP 50.5%, gross edge 46.1%, slippage 0.5%, fee 1.7%, safety 0.5%, net edge 43.3%. Marx fair UP is 96.1%.

BTC 15-Minute Signal Post-Mortem: +42.07 pp Edge | AntiPredict