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VERIFIED PAPER CASE · 15 MIN

ETH 15-Minute Signal Post-Mortem: +47.75 pp Edge

Ethereum Up or Down - July 28, 5:00PM-5:15PM 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 100.0%Marx Fair UP 100.0%
Market UP and Marx Fair UP history0255075100
Jul 28, 09:01 PMJul 28, 09:06 PMJul 28, 09:10 PMJul 28, 09:15 PMJul 28, 09:19 PM UTC

Market UP and Marx Fair UP history

Text equivalent of the chart
TimePolymarketMarx FairEdge
2026-07-28T21:01:40.820Z69.5%0.0%-69.5 pp
2026-07-28T21:02:44.840Z69.5%0.0%-69.5 pp
2026-07-28T21:03:41.065Z69.5%0.0%-69.5 pp
2026-07-28T21:04:42.677Z69.5%0.0%-69.5 pp
2026-07-28T21:05:40.713Z91.5%0.0%-91.5 pp
2026-07-28T21:06:42.348Z91.5%0.0%-91.5 pp
2026-07-28T21:07:41.334Z91.5%0.0%-91.5 pp
2026-07-28T21:08:41.782Z79.5%0.0%-79.5 pp
2026-07-28T21:09:40.645Z79.5%0.0%-79.5 pp
2026-07-28T21:10:39.713Z95.5%0.0%-95.5 pp
2026-07-28T21:11:38.712Z95.5%0.0%-95.5 pp
2026-07-28T21:12:47.373Z95.5%0.0%-95.5 pp
2026-07-28T21:13:43.544Z95.5%0.0%-95.5 pp
2026-07-28T21:14:48.748Z100.0%0.0%-99.9 pp
2026-07-28T21:15:02.077Z99.5%0.0%-99.4 pp
2026-07-28T21:15:40.833Z100.0%0.0%-99.9 pp
2026-07-28T21:16:39.907Z100.0%100.0%+0.0 pp
2026-07-28T21:17:15.663Z100.0%100.0%+0.0 pp
2026-07-28T21:17:45.546Z100.0%100.0%+0.0 pp
2026-07-28T21:18:38.766Z100.0%100.0%+0.0 pp
2026-07-28T21:19:41.683Z100.0%100.0%+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%.

ETH 15-Minute Signal Post-Mortem: +47.75 pp Edge | AntiPredict