VERIFIED PAPER CASE · 5 MIN
ETH 5-Minute Signal Post-Mortem: +45.71 pp Edge
Ethereum Up or Down - July 28, 2:15AM-2:20AM ET
ROUND REPLAY
Interactive Polymarket vs Marx Fair divergence
Market UP 0.5%Marx Fair UP 0.5%
Jul 28, 06:15 AMJul 28, 06:17 AMJul 28, 06:19 AMJul 28, 06:21 AMJul 28, 06:23 AM UTC
Market UP and Marx Fair UP history
| Time | Polymarket | Marx Fair | Edge |
|---|---|---|---|
| 2026-07-28T06:15:32.555Z | 58.5% | 58.5% | +0.0 pp |
| 2026-07-28T06:16:30.907Z | 58.5% | 58.5% | +0.0 pp |
| 2026-07-28T06:16:34.784Z | 58.5% | 58.5% | +0.0 pp |
| 2026-07-28T06:16:45.706Z | 58.5% | 0.0% | -58.5 pp |
| 2026-07-28T06:17:31.038Z | 58.5% | 0.0% | -58.5 pp |
| 2026-07-28T06:18:30.851Z | 58.5% | 58.5% | +0.0 pp |
| 2026-07-28T06:18:39.608Z | 58.5% | 58.5% | +0.0 pp |
| 2026-07-28T06:18:45.635Z | 58.5% | 0.0% | -58.5 pp |
| 2026-07-28T06:18:46.127Z | 58.5% | 0.0% | -58.5 pp |
| 2026-07-28T06:19:30.825Z | 58.5% | 0.0% | -58.5 pp |
| 2026-07-28T06:20:30.839Z | 0.5% | 0.5% | +0.0 pp |
| 2026-07-28T06:20:39.348Z | 0.5% | 0.5% | +0.0 pp |
| 2026-07-28T06:20:46.172Z | 0.5% | 0.0% | -0.5 pp |
| 2026-07-28T06:22:42.697Z | 0.5% | 0.5% | +0.0 pp |
| 2026-07-28T06:23:44.750Z | 0.0% | 0.5% | +0.5 pp |
| 2026-07-28T06:23:51.332Z | 0.5% | 0.5% | +0.0 pp |
AUDIT TRAIL
Signal breakdown and trigger
- Marx Fair was 0.0% while the Polymarket UP price was 49.5%.
- The executable DOWN entry was 52.0¢ with a net modeled edge of 45.7 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 52.0%, gross edge 49.0%, slippage 1.0%, fee 1.7%, safety 0.5%, net edge 45.7%. Marx fair UP is 0.0%.