Ethereum Prediction Markets
Ethereum 15-Minute hub
VERIFIED PAPER CASE · 15 MIN

ETH 15-Minute Signal Post-Mortem: +6.04 pp Edge

Ethereum Up or Down - July 27, 11:45PM-12:00AM ET

POLYMARKET ENTRY49.5%51.0% EXECUTABLE
MARX FAIR AT ENTRY40.7%HISTORICAL · CLOSED
MODELED EDGE+6.04 ppNET AT ENTRY
CONFIDENCE83.3%DOWN UNDERPRICED
RETURN-10.2%SIMULATED
ROUND REPLAY

Interactive Polymarket vs Marx Fair divergence

Market UP 0.5%Marx Fair UP 0.5%
Market UP and Marx Fair UP history0255075100
Jul 28, 03:46 AMJul 28, 03:51 AMJul 28, 03:55 AMJul 28, 04:00 AMJul 28, 04:04 AM UTC

Market UP and Marx Fair UP history

Text equivalent of the chart
TimePolymarketMarx FairEdge
2026-07-28T03:46:33.311Z41.5%0.0%-41.5 pp
2026-07-28T03:49:30.855Z41.5%0.0%-41.5 pp
2026-07-28T03:50:31.019Z31.5%0.0%-31.5 pp
2026-07-28T03:51:30.793Z31.5%0.0%-31.5 pp
2026-07-28T03:52:34.355Z31.5%0.0%-31.5 pp
2026-07-28T03:53:40.164Z59.5%0.0%-59.5 pp
2026-07-28T03:54:30.910Z59.5%0.0%-59.5 pp
2026-07-28T03:55:10.187Z59.5%0.0%-59.5 pp
2026-07-28T03:55:30.856Z59.5%34.5%-25.0 pp
2026-07-28T03:55:34.517Z34.5%34.5%+0.0 pp
2026-07-28T03:55:37.934Z34.5%0.0%-34.5 pp
2026-07-28T03:56:30.898Z59.5%0.0%-59.5 pp
2026-07-28T03:57:30.880Z59.5%0.0%-59.5 pp
2026-07-28T03:58:30.745Z1.5%0.0%-1.5 pp
2026-07-28T03:58:50.034Z1.5%0.0%-1.5 pp
2026-07-28T03:59:30.890Z1.5%0.0%-1.5 pp
2026-07-28T04:00:30.927Z0.5%0.5%+0.0 pp
2026-07-28T04:01:31.060Z0.5%0.5%+0.0 pp
2026-07-28T04:01:35.690Z0.5%0.5%+0.0 pp
2026-07-28T04:02:31.037Z0.5%0.5%+0.0 pp
2026-07-28T04:03:30.877Z0.5%0.5%+0.0 pp
2026-07-28T04:04:30.911Z0.5%0.5%+0.0 pp
AUDIT TRAIL

Signal breakdown and trigger

  • Marx Fair was 40.7% while the Polymarket UP price was 49.5%.
  • The executable DOWN entry was 51.0¢ with a net modeled edge of 6.0 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 51.0%, gross edge 8.3%, slippage 0.0%, fee 1.7%, safety 0.5%, net edge 6.0%. Marx fair UP is 40.7%.

ETH 15-Minute Signal Post-Mortem: +6.04 pp Edge | AntiPredict