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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, 5:30AM-5:35AM 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
RETURN-100.0%SIMULATED
ROUND REPLAY

Interactive Polymarket vs Marx Fair divergence

Market UP 96.5%Marx Fair UP 96.5%
Market UP and Marx Fair UP history0255075100
Jul 28, 09:30 AMJul 28, 09:32 AMJul 28, 09:34 AMJul 28, 09:37 AMJul 28, 09:39 AM UTC

Market UP and Marx Fair UP history

Text equivalent of the chart
TimePolymarketMarx FairEdge
2026-07-28T09:30:13.436Z96.5%50.5%-46.0 pp
2026-07-28T09:30:48.830Z50.5%50.5%+0.0 pp
2026-07-28T09:31:01.562Z50.5%0.0%-50.5 pp
2026-07-28T09:32:35.152Z50.5%50.5%+0.0 pp
2026-07-28T09:33:01.561Z50.5%0.0%-50.5 pp
2026-07-28T09:34:31.025Z99.5%98.5%-1.0 pp
2026-07-28T09:34:39.204Z98.5%98.5%+0.0 pp
2026-07-28T09:34:57.727Z99.5%0.0%-99.5 pp
2026-07-28T09:35:30.853Z100.0%0.0%-99.9 pp
2026-07-28T09:36:30.821Z100.0%100.0%+0.0 pp
2026-07-28T09:36:34.230Z100.0%100.0%+0.0 pp
2026-07-28T09:37:39.109Z100.0%100.0%+0.0 pp
2026-07-28T09:39:06.204Z100.0%96.5%-3.5 pp
2026-07-28T09:39:21.083Z96.5%96.5%-0.0 pp
2026-07-28T09:39:38.923Z96.5%96.5%-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 50.0%, gross edge 50.0%, slippage 0.0%, fee 1.8%, safety 0.5%, net edge 47.7%. Marx fair UP is 0.0%.

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