VERIFIED PAPER CASE · 5 MIN
ETH 5-Minute Signal Post-Mortem: +42.20 pp Edge
Ethereum Up or Down - July 28, 8:50AM-8:55AM ET
ROUND REPLAY
Interactive Polymarket vs Marx Fair divergence
Market UP 100.0%Marx Fair UP 24.5%
Jul 28, 12:50 PMJul 28, 12:52 PMJul 28, 12:55 PMJul 28, 12:57 PMJul 28, 12:59 PM UTC
Market UP and Marx Fair UP history
| Time | Polymarket | Marx Fair | Edge |
|---|---|---|---|
| 2026-07-28T12:50:31.420Z | 25.5% | 25.5% | +0.0 pp |
| 2026-07-28T12:50:40.546Z | 25.5% | 25.5% | +0.0 pp |
| 2026-07-28T12:51:10.023Z | 25.5% | 0.0% | -25.5 pp |
| 2026-07-28T12:51:31.004Z | 25.5% | 0.0% | -25.5 pp |
| 2026-07-28T12:52:37.828Z | 25.5% | 25.5% | +0.0 pp |
| 2026-07-28T12:52:45.799Z | 25.5% | 25.5% | +0.0 pp |
| 2026-07-28T12:52:58.228Z | 25.5% | 0.0% | -25.5 pp |
| 2026-07-28T12:52:58.861Z | 25.5% | 0.0% | -25.5 pp |
| 2026-07-28T12:54:02.802Z | 7.5% | 0.0% | -7.5 pp |
| 2026-07-28T12:54:12.489Z | 7.5% | 0.0% | -7.5 pp |
| 2026-07-28T12:54:30.953Z | 24.5% | 0.0% | -24.5 pp |
| 2026-07-28T12:54:34.744Z | 36.5% | 0.0% | -36.5 pp |
| 2026-07-28T12:54:42.252Z | 24.5% | 24.5% | -0.0 pp |
| 2026-07-28T12:55:32.657Z | 24.5% | 0.0% | -24.5 pp |
| 2026-07-28T12:55:32.759Z | 24.5% | 0.0% | -24.5 pp |
| 2026-07-28T12:56:30.919Z | 24.5% | 0.0% | -24.5 pp |
| 2026-07-28T12:57:31.326Z | 24.5% | 24.5% | -0.0 pp |
| 2026-07-28T12:57:35.709Z | 24.5% | 24.5% | -0.0 pp |
| 2026-07-28T12:58:30.924Z | 24.5% | 24.5% | -0.0 pp |
| 2026-07-28T12:59:30.931Z | 100.0% | 24.5% | -75.5 pp |
AUDIT TRAIL
Signal breakdown and trigger
- Marx Fair was 0.0% while the Polymarket UP price was 47.5%.
- The executable DOWN entry was 55.6¢ with a net modeled edge of 42.2 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 55.6%, gross edge 45.0%, slippage 0.6%, fee 1.7%, safety 0.5%, net edge 42.2%. Marx fair UP is 0.0%.