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VERIFIED PAPER CASE · 4 HOURS

BTC 4-Hour Signal Post-Mortem: +5.36 pp Edge

Bitcoin Up or Down - July 30, 8:00PM-12:00AM ET

POLYMARKET ENTRY50.0%52.0% EXECUTABLE
MARX FAIR AT ENTRY40.4%HISTORICAL · CLOSED
MODELED EDGE+5.36 ppNET AT ENTRY
CONFIDENCE83.3%DOWN UNDERPRICED
RETURN-14.0%SIMULATED
ROUND REPLAY

Interactive Polymarket vs Marx Fair divergence

Market UP 0.1%Marx Fair UP 0.2%
Market UP and Marx Fair UP history0%25%50%75%100%
Jul 31, 12:30 AMJul 31, 01:22 AMJul 31, 02:15 AMJul 31, 03:08 AMJul 31, 04:00 AM UTC

Market UP and Marx Fair UP history

Text equivalent of the chart
TimePolymarketMarx FairEdge
2026-07-31T00:30:06.479Z52.5%94.3%+41.8 pp
2026-07-31T00:32:00.298Z49.5%95.7%+46.2 pp
2026-07-31T00:33:59.347Z49.5%94.7%+45.2 pp
2026-07-31T00:42:57.196Z54.0%94.9%+40.9 pp
2026-07-31T00:49:03.523Z53.0%95.8%+42.8 pp
2026-07-31T00:54:15.431Z50.5%94.1%+43.6 pp
2026-07-31T00:55:24.771Z44.0%94.1%+50.1 pp
2026-07-31T00:58:32.170Z44.0%44.0%+0.0 pp
2026-07-31T00:59:06.487Z44.0%93.8%+49.8 pp
2026-07-31T01:03:56.004Z43.0%98.5%+55.5 pp
2026-07-31T01:37:07.691Z81.0%99.8%+18.8 pp
2026-07-31T01:59:24.615Z35.5%92.7%+57.2 pp
2026-07-31T01:59:27.288Z28.5%92.7%+64.2 pp
2026-07-31T02:59:14.605Z3.8%73.4%+69.6 pp
2026-07-31T02:59:24.957Z3.8%73.4%+69.6 pp
2026-07-31T03:57:17.244Z0.1%10.2%+10.0 pp
2026-07-31T03:59:44.897Z0.1%0.2%+0.1 pp
2026-07-31T04:00:38.544Z0.1%0.2%+0.0 pp
AUDIT TRAIL

Signal breakdown and trigger

  • Marx Fair was 40.4% while the Polymarket UP price was 50.0%.
  • The executable DOWN entry was 52.0¢ with a net modeled edge of 5.4 percentage points.
  • Model confidence at the signal was 83.3%.
  • Observed order-book spread at entry was 2.0¢.
MODEL NOTE

Marx AI inference

Buy DOWN: $100 VWAP 52.0%, gross edge 8.6%, slippage 1.0%, fee 1.7%, safety 0.5%, net edge 5.4%. Marx fair UP is 40.4%.