VERIFIED PAPER CASE · 5 MIN
ETH 5-Minute Signal Post-Mortem: +5.19 pp Edge
Ethereum Up or Down - July 30, 6:50PM-6:55PM ET
ROUND REPLAY
Interactive Polymarket vs Marx Fair divergence
Market UP 0.1%Marx Fair UP 0.1%
Jul 30, 10:50 PMJul 30, 10:52 PMJul 30, 10:54 PMJul 30, 10:55 PMJul 30, 10:57 PM UTC
Market UP and Marx Fair UP history
| Time | Polymarket | Marx Fair | Edge |
|---|---|---|---|
| 2026-07-30T22:50:31.476Z | 58.5% | 58.5% | +0.0 pp |
| 2026-07-30T22:50:57.955Z | 58.5% | 58.5% | +0.0 pp |
| 2026-07-30T22:52:12.325Z | 58.5% | 100.0% | +41.5 pp |
| 2026-07-30T22:52:43.736Z | 58.5% | 100.0% | +41.5 pp |
| 2026-07-30T22:52:43.995Z | 9.5% | 100.0% | +90.5 pp |
| 2026-07-30T22:53:41.242Z | 4.5% | 4.5% | +0.0 pp |
| 2026-07-30T22:54:11.927Z | 4.5% | 4.5% | +0.0 pp |
| 2026-07-30T22:54:38.084Z | 4.5% | 4.5% | +0.0 pp |
| 2026-07-30T22:55:22.006Z | 4.5% | 100.0% | +95.5 pp |
| 2026-07-30T22:55:43.147Z | 0.1% | 100.0% | +99.9 pp |
| 2026-07-30T22:56:23.218Z | 0.1% | 100.0% | +99.9 pp |
| 2026-07-30T22:57:24.378Z | 0.1% | 0.1% | +0.0 pp |
| 2026-07-30T22:57:41.134Z | 0.1% | 0.1% | +0.0 pp |
AUDIT TRAIL
Signal breakdown and trigger
- Marx Fair was 59.1% while the Polymarket UP price was 50.5%.
- The executable UP entry was 51.6¢ with a net modeled edge of 5.2 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 UP: $100 VWAP 51.6%, gross edge 8.7%, slippage 0.6%, fee 1.7%, safety 0.5%, net edge 5.8%. Marx fair UP is 59.7%.