VERIFIED PAPER CASE · 5 MIN
ETH 5-Minute Signal Post-Mortem: +11.90 pp Edge
Ethereum Up or Down - July 29, 3:10PM-3:15PM ET
ROUND REPLAY
Interactive Polymarket vs Marx Fair divergence
Market UP 94.5%Marx Fair UP 99.5%
Jul 29, 07:10 PMJul 29, 07:12 PMJul 29, 07:14 PMJul 29, 07:16 PMJul 29, 07:18 PM UTC
Market UP and Marx Fair UP history
| Time | Polymarket | Marx Fair | Edge |
|---|---|---|---|
| 2026-07-29T19:10:45.999Z | 49.5% | 49.5% | +0.0 pp |
| 2026-07-29T19:10:56.092Z | 49.5% | 49.5% | +0.0 pp |
| 2026-07-29T19:11:19.582Z | 49.5% | 13.1% | -36.4 pp |
| 2026-07-29T19:11:42.128Z | 72.5% | 13.1% | -59.4 pp |
| 2026-07-29T19:12:43.206Z | 72.5% | 72.5% | +0.0 pp |
| 2026-07-29T19:12:51.614Z | 72.5% | 72.5% | +0.0 pp |
| 2026-07-29T19:13:18.258Z | 72.5% | 52.3% | -20.2 pp |
| 2026-07-29T19:13:42.380Z | 72.5% | 52.3% | -20.2 pp |
| 2026-07-29T19:14:52.759Z | 99.5% | 99.5% | +0.0 pp |
| 2026-07-29T19:15:22.557Z | 99.5% | 99.5% | +0.0 pp |
| 2026-07-29T19:15:34.419Z | 99.5% | 70.6% | -28.9 pp |
| 2026-07-29T19:15:44.592Z | 99.5% | 70.6% | -28.9 pp |
| 2026-07-29T19:16:47.263Z | 99.5% | 99.5% | +0.0 pp |
| 2026-07-29T19:16:53.120Z | 99.5% | 99.5% | +0.0 pp |
| 2026-07-29T19:17:42.363Z | 99.5% | 99.5% | +0.0 pp |
| 2026-07-29T19:18:51.079Z | 94.5% | 99.5% | +5.0 pp |
AUDIT TRAIL
Signal breakdown and trigger
- Marx Fair was 35.8% while the Polymarket UP price was 49.5%.
- The executable DOWN entry was 50.0¢ with a net modeled edge of 11.9 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 50.0%, gross edge 14.2%, slippage 0.0%, fee 1.8%, safety 0.5%, net edge 11.9%. Marx fair UP is 35.8%.