VERIFIED PAPER CASE · 5 MIN
ETH 5-Minute Signal Post-Mortem: +47.75 pp Edge
Ethereum Up or Down - July 29, 12:40PM-12:45PM ET
ROUND REPLAY
Interactive Polymarket vs Marx Fair divergence
Market UP 19.5%Marx Fair UP 0.1%
Jul 29, 04:40 PMJul 29, 04:42 PMJul 29, 04:44 PMJul 29, 04:46 PMJul 29, 04:48 PM UTC
Market UP and Marx Fair UP history
| Time | Polymarket | Marx Fair | Edge |
|---|---|---|---|
| 2026-07-29T16:40:22.924Z | 50.5% | 0.0% | -50.5 pp |
| 2026-07-29T16:41:21.237Z | 48.5% | 48.5% | -0.0 pp |
| 2026-07-29T16:41:44.063Z | 48.5% | 48.5% | -0.0 pp |
| 2026-07-29T16:41:56.095Z | 48.5% | 48.5% | -0.0 pp |
| 2026-07-29T16:42:20.219Z | 48.5% | 0.0% | -48.5 pp |
| 2026-07-29T16:42:43.491Z | 48.5% | 0.0% | -48.5 pp |
| 2026-07-29T16:43:45.387Z | 0.5% | 0.5% | +0.0 pp |
| 2026-07-29T16:43:57.985Z | 0.5% | 0.5% | +0.0 pp |
| 2026-07-29T16:44:20.285Z | 0.5% | 0.0% | -0.5 pp |
| 2026-07-29T16:44:42.254Z | 0.5% | 0.0% | -0.5 pp |
| 2026-07-29T16:45:41.925Z | 0.1% | 0.1% | +0.0 pp |
| 2026-07-29T16:46:02.443Z | 0.1% | 0.1% | +0.0 pp |
| 2026-07-29T16:46:22.778Z | 0.1% | 0.0% | -0.0 pp |
| 2026-07-29T16:46:43.128Z | 0.1% | 0.0% | -0.0 pp |
| 2026-07-29T16:47:43.956Z | 0.1% | 0.1% | +0.0 pp |
| 2026-07-29T16:47:55.355Z | 0.1% | 0.1% | +0.0 pp |
| 2026-07-29T16:48:53.303Z | 19.5% | 0.1% | -19.4 pp |
AUDIT TRAIL
Signal breakdown and trigger
- Marx Fair was 0.0% while the Polymarket UP price was 50.5%.
- The executable DOWN entry was 50.0¢ with a net modeled edge of 47.7 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 50.0%, gross edge 50.0%, slippage 0.0%, fee 1.8%, safety 0.5%, net edge 47.7%. Marx fair UP is 0.0%.