VERIFIED PAPER CASE · 1 HOUR
ETH 1-Hour Signal Post-Mortem: +42.79 pp Edge
Ethereum Up or Down - July 28, 12PM ET
ROUND REPLAY
Interactive Polymarket vs Marx Fair divergence
Market UP 99.5%Marx Fair UP 0.0%
Jul 28, 04:03 PMJul 28, 04:17 PMJul 28, 04:31 PMJul 28, 04:45 PMJul 28, 04:59 PM UTC
Market UP and Marx Fair UP history
| Time | Polymarket | Marx Fair | Edge |
|---|---|---|---|
| 2026-07-28T16:03:43.399Z | 46.5% | 0.2% | -46.3 pp |
| 2026-07-28T16:07:45.530Z | 46.5% | 0.2% | -46.3 pp |
| 2026-07-28T16:11:45.057Z | 42.0% | 0.0% | -42.0 pp |
| 2026-07-28T16:20:45.136Z | 32.5% | 0.4% | -32.1 pp |
| 2026-07-28T16:24:45.184Z | 55.5% | 0.0% | -55.5 pp |
| 2026-07-28T16:26:46.325Z | 55.5% | 0.0% | -55.5 pp |
| 2026-07-28T16:33:56.837Z | 38.5% | 0.0% | -38.5 pp |
| 2026-07-28T16:37:55.407Z | 35.5% | 0.0% | -35.5 pp |
| 2026-07-28T16:39:56.291Z | 36.5% | 0.0% | -36.5 pp |
| 2026-07-28T16:41:56.480Z | 36.5% | 0.0% | -36.5 pp |
| 2026-07-28T16:57:00.148Z | 92.5% | 0.0% | -92.5 pp |
| 2026-07-28T16:59:59.570Z | 99.5% | 0.0% | -99.5 pp |
AUDIT TRAIL
Signal breakdown and trigger
- Marx Fair was 0.3% while the Polymarket UP price was 49.5%.
- The executable DOWN entry was 54.7¢ with a net modeled edge of 42.8 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 54.7%, gross edge 45.8%, slippage 0.7%, fee 1.7%, safety 0.5%, net edge 42.9%. Marx fair UP is 0.2%.