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VERIFIED PAPER CASE · 5 MIN

BTC 5-Minute Signal Post-Mortem: +46.65 pp Edge

Bitcoin Up or Down - July 27, 3:55PM-4:00PM ET

POLYMARKET ENTRY50.5%51.0% EXECUTABLE
MARX FAIR AT ENTRY99.9%HISTORICAL · CLOSED
MODELED EDGE+46.65 ppNET AT ENTRY
CONFIDENCE83.3%UP UNDERPRICED
RETURN89.6%SIMULATED
ROUND REPLAY

Interactive Polymarket vs Marx Fair divergence

Market UP 100.0%Marx Fair UP 99.5%
Market UP and Marx Fair UP history0255075100
Jul 27, 07:55 PMJul 27, 07:57 PMJul 27, 07:59 PMJul 27, 08:02 PMJul 27, 08:04 PM UTC

Market UP and Marx Fair UP history

Text equivalent of the chart
TimePolymarketMarx FairEdge
2026-07-27T19:55:10.062Z50.5%100.0%+49.5 pp
2026-07-27T19:55:41.921Z50.5%100.0%+49.5 pp
2026-07-27T19:56:43.977Z50.5%50.5%+0.0 pp
2026-07-27T19:56:59.319Z50.5%100.0%+49.5 pp
2026-07-27T19:58:30.728Z72.5%50.5%-22.0 pp
2026-07-27T19:58:39.370Z50.5%50.5%+0.0 pp
2026-07-27T19:58:45.015Z72.5%72.5%+0.0 pp
2026-07-27T19:58:56.318Z72.5%100.0%+27.5 pp
2026-07-27T19:59:30.945Z72.5%100.0%+27.5 pp
2026-07-27T20:00:30.785Z99.5%72.5%-27.0 pp
2026-07-27T20:00:34.783Z72.5%72.5%+0.0 pp
2026-07-27T20:00:39.441Z99.5%99.5%+0.0 pp
2026-07-27T20:01:01.022Z99.5%100.0%+0.5 pp
2026-07-27T20:01:30.730Z99.5%100.0%+0.5 pp
2026-07-27T20:02:30.956Z99.5%99.5%+0.0 pp
2026-07-27T20:02:55.668Z99.5%99.5%+0.0 pp
2026-07-27T20:03:30.767Z99.5%99.5%+0.0 pp
2026-07-27T20:04:30.882Z100.0%99.5%-0.5 pp
AUDIT TRAIL

Signal breakdown and trigger

  • Marx Fair was 99.9% while the Polymarket UP price was 50.5%.
  • The executable UP entry was 51.0¢ with a net modeled edge of 46.7 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 UP: $100 VWAP 51.3%, gross edge 49.0%, slippage 0.3%, fee 1.7%, safety 0.5%, net edge 46.4%. Marx fair UP is 100.0%.

BTC 5-Minute Signal Post-Mortem: +46.65 pp Edge | AntiPredict