VERIFIED PAPER CASE · 5 MIN
ETH 5-Minute Signal Post-Mortem: +51.43 pp Edge
Ethereum Up or Down - July 28, 7:35AM-7:40AM ET
ROUND REPLAY
Interactive Polymarket vs Marx Fair divergence
Market UP 0.0%Marx Fair UP 0.5%
Jul 28, 11:35 AMJul 28, 11:37 AMJul 28, 11:40 AMJul 28, 11:42 AMJul 28, 11:44 AM UTC
Market UP and Marx Fair UP history
| Time | Polymarket | Marx Fair | Edge |
|---|---|---|---|
| 2026-07-28T11:35:34.832Z | 49.5% | 49.5% | +0.0 pp |
| 2026-07-28T11:35:39.906Z | 43.5% | 43.5% | +0.0 pp |
| 2026-07-28T11:35:58.046Z | 43.5% | 0.0% | -43.5 pp |
| 2026-07-28T11:36:31.007Z | 48.5% | 0.0% | -48.5 pp |
| 2026-07-28T11:37:35.839Z | 48.5% | 48.5% | -0.0 pp |
| 2026-07-28T11:37:43.224Z | 61.5% | 48.5% | -13.0 pp |
| 2026-07-28T11:37:56.483Z | 61.5% | 61.5% | +0.0 pp |
| 2026-07-28T11:38:44.612Z | 49.5% | 0.0% | -49.5 pp |
| 2026-07-28T11:38:44.733Z | 61.5% | 0.0% | -61.5 pp |
| 2026-07-28T11:39:49.074Z | 0.5% | 0.0% | -0.5 pp |
| 2026-07-28T11:40:56.632Z | 0.5% | 0.5% | +0.0 pp |
| 2026-07-28T11:41:12.019Z | 0.5% | 0.5% | +0.0 pp |
| 2026-07-28T11:41:50.913Z | 0.5% | 0.5% | +0.0 pp |
| 2026-07-28T11:42:30.972Z | 0.5% | 0.5% | +0.0 pp |
| 2026-07-28T11:43:30.993Z | 0.5% | 0.5% | +0.0 pp |
| 2026-07-28T11:44:30.955Z | 0.0% | 0.5% | +0.5 pp |
AUDIT TRAIL
Signal breakdown and trigger
- Marx Fair was 0.0% while the Polymarket UP price was 61.5%.
- The executable DOWN entry was 46.3¢ with a net modeled edge of 51.4 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 46.3%, gross edge 55.0%, slippage 1.3%, fee 1.7%, safety 0.5%, net edge 51.4%. Marx fair UP is 0.0%.