VERIFIED PAPER CASE · 5 MIN
ETH 5-Minute Signal Post-Mortem: +58.11 pp Edge
Ethereum Up or Down - July 27, 5:20PM-5:25PM ET
ROUND REPLAY
Interactive Polymarket vs Marx Fair divergence
Market UP 0.0%Marx Fair UP 0.5%
Jul 27, 09:20 PMJul 27, 09:22 PMJul 27, 09:25 PMJul 27, 09:27 PMJul 27, 09:29 PM UTC
Market UP and Marx Fair UP history
| Time | Polymarket | Marx Fair | Edge |
|---|---|---|---|
| 2026-07-27T21:20:39.080Z | 49.5% | 49.5% | +0.0 pp |
| 2026-07-27T21:20:58.475Z | 49.5% | 100.0% | +50.5 pp |
| 2026-07-27T21:22:32.112Z | 33.5% | 49.5% | +16.0 pp |
| 2026-07-27T21:22:33.672Z | 33.5% | 49.5% | +16.0 pp |
| 2026-07-27T21:22:34.535Z | 49.5% | 49.5% | +0.0 pp |
| 2026-07-27T21:22:39.029Z | 33.5% | 33.5% | +0.0 pp |
| 2026-07-27T21:22:59.357Z | 33.5% | 100.0% | +66.5 pp |
| 2026-07-27T21:23:34.886Z | 54.5% | 100.0% | +45.5 pp |
| 2026-07-27T21:24:30.846Z | 54.5% | 54.5% | +0.0 pp |
| 2026-07-27T21:24:34.186Z | 54.5% | 54.5% | +0.0 pp |
| 2026-07-27T21:25:00.165Z | 54.5% | 100.0% | +45.5 pp |
| 2026-07-27T21:25:00.887Z | 54.5% | 100.0% | +45.5 pp |
| 2026-07-27T21:25:30.798Z | 0.5% | 100.0% | +99.5 pp |
| 2026-07-27T21:26:30.830Z | 0.5% | 0.5% | +0.0 pp |
| 2026-07-27T21:26:55.719Z | 0.5% | 0.5% | +0.0 pp |
| 2026-07-27T21:27:30.786Z | 0.5% | 0.5% | +0.0 pp |
| 2026-07-27T21:28:30.735Z | 0.5% | 0.5% | +0.0 pp |
| 2026-07-27T21:29:30.738Z | 0.0% | 0.5% | +0.5 pp |
AUDIT TRAIL
Signal breakdown and trigger
- Marx Fair was 100.0% while the Polymarket UP price was 49.5%.
- The executable UP entry was 39.7¢ with a net modeled edge of 58.1 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 39.7%, gross edge 61.0%, slippage 0.7%, fee 1.7%, safety 0.5%, net edge 58.1%. Marx fair UP is 100.0%.