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VERIFIED PAPER CASE · 15 MIN

BTC 15-Minute Signal Post-Mortem: +72.15 pp Edge

Bitcoin Up or Down - July 28, 1:45PM-2:00PM ET

POLYMARKET ENTRY55.5%26.0% EXECUTABLE
MARX FAIR AT ENTRY0.0%HISTORICAL · CLOSED
MODELED EDGE+72.15 ppNET AT ENTRY
CONFIDENCE83.3%DOWN UNDERPRICED
RETURN-100.0%SIMULATED
ROUND REPLAY

Interactive Polymarket vs Marx Fair divergence

Market UP 100.0%Marx Fair UP 100.0%
Market UP and Marx Fair UP history0255075100
Jul 28, 05:45 PMJul 28, 05:49 PMJul 28, 05:53 PMJul 28, 05:58 PMJul 28, 06:02 PM UTC

Market UP and Marx Fair UP history

Text equivalent of the chart
TimePolymarketMarx FairEdge
2026-07-28T17:45:12.574Z55.5%0.0%-55.5 pp
2026-07-28T17:45:51.755Z55.5%0.0%-55.5 pp
2026-07-28T17:46:16.309Z55.5%0.0%-55.5 pp
2026-07-28T17:47:18.587Z55.5%0.0%-55.5 pp
2026-07-28T17:48:16.111Z55.5%0.0%-55.5 pp
2026-07-28T17:49:16.300Z88.5%0.0%-88.5 pp
2026-07-28T17:50:19.336Z85.5%0.0%-85.5 pp
2026-07-28T17:51:19.682Z85.5%85.5%+0.0 pp
2026-07-28T17:52:16.669Z85.5%85.5%+0.0 pp
2026-07-28T17:53:32.596Z85.5%85.5%+0.0 pp
2026-07-28T17:54:34.516Z85.5%85.5%+0.0 pp
2026-07-28T17:55:15.844Z85.5%85.5%+0.0 pp
2026-07-28T17:55:43.039Z85.5%85.5%+0.0 pp
2026-07-28T17:56:11.410Z85.5%0.0%-85.5 pp
2026-07-28T17:56:25.385Z85.5%0.0%-85.5 pp
2026-07-28T17:57:15.780Z85.5%0.0%-85.5 pp
2026-07-28T17:58:19.950Z85.5%0.0%-85.5 pp
2026-07-28T17:59:24.726Z99.9%0.0%-99.8 pp
2026-07-28T18:01:51.076Z100.0%100.0%+0.0 pp
2026-07-28T18:02:42.167Z100.0%100.0%+0.0 pp
AUDIT TRAIL

Signal breakdown and trigger

  • Marx Fair was 0.0% while the Polymarket UP price was 55.5%.
  • The executable DOWN entry was 26.0¢ with a net modeled edge of 72.2 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 25.2%, gross edge 75.0%, slippage 0.2%, fee 1.3%, safety 0.5%, net edge 73.0%. Marx fair UP is 0.0%.

BTC 15-Minute Signal Post-Mortem: +72.15 pp Edge | AntiPredict