VERIFIED PAPER CASE · 5 MIN
ETH 5-Minute Signal Post-Mortem: +17.69 pp Edge
Ethereum Up or Down - July 29, 2:05PM-2:10PM ET
ROUND REPLAY
Interactive Polymarket vs Marx Fair divergence
Market UP 0.0%Marx Fair UP 0.5%
Jul 29, 06:06 PMJul 29, 06:08 PMJul 29, 06:10 PMJul 29, 06:12 PMJul 29, 06:14 PM UTC
Market UP and Marx Fair UP history
| Time | Polymarket | Marx Fair | Edge |
|---|---|---|---|
| 2026-07-29T18:06:43.850Z | 38.5% | 49.5% | +11.0 pp |
| 2026-07-29T18:06:58.891Z | 49.5% | 49.5% | +0.0 pp |
| 2026-07-29T18:07:26.188Z | 55.5% | 55.5% | +0.0 pp |
| 2026-07-29T18:07:38.153Z | 38.5% | 38.5% | +0.0 pp |
| 2026-07-29T18:07:43.102Z | 38.5% | 38.5% | +0.0 pp |
| 2026-07-29T18:08:45.549Z | 38.5% | 100.0% | +61.5 pp |
| 2026-07-29T18:08:50.234Z | 38.5% | 100.0% | +61.5 pp |
| 2026-07-29T18:09:42.649Z | 0.5% | 0.5% | +0.0 pp |
| 2026-07-29T18:10:26.299Z | 0.5% | 0.5% | +0.0 pp |
| 2026-07-29T18:10:43.685Z | 0.5% | 0.5% | +0.0 pp |
| 2026-07-29T18:11:25.524Z | 0.5% | 100.0% | +99.5 pp |
| 2026-07-29T18:11:44.277Z | 0.5% | 100.0% | +99.5 pp |
| 2026-07-29T18:12:42.215Z | 0.5% | 0.5% | +0.0 pp |
| 2026-07-29T18:13:14.711Z | 0.5% | 0.5% | +0.0 pp |
| 2026-07-29T18:13:45.241Z | 0.5% | 0.5% | +0.0 pp |
| 2026-07-29T18:14:42.401Z | 0.0% | 0.5% | +0.5 pp |
AUDIT TRAIL
Signal breakdown and trigger
- Marx Fair was 69.9% while the Polymarket UP price was 49.5%.
- The executable UP entry was 50.0¢ with a net modeled edge of 17.7 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 UP: $100 VWAP 50.0%, gross edge 19.9%, slippage 0.0%, fee 1.8%, safety 0.5%, net edge 17.7%. Marx fair UP is 69.9%.