VERIFIED PAPER CASE · 5 MIN
ETH 5-Minute Signal Post-Mortem: +29.40 pp Edge
Ethereum Up or Down - July 28, 2:55AM-3:00AM ET
ROUND REPLAY
Interactive Polymarket vs Marx Fair divergence
Market UP 100.0%Marx Fair UP 50.5%
Jul 28, 06:55 AMJul 28, 06:57 AMJul 28, 07:00 AMJul 28, 07:02 AMJul 28, 07:04 AM UTC
Market UP and Marx Fair UP history
| Time | Polymarket | Marx Fair | Edge |
|---|---|---|---|
| 2026-07-28T06:55:32.151Z | 50.5% | 48.5% | -2.0 pp |
| 2026-07-28T06:55:34.533Z | 48.5% | 48.5% | -0.0 pp |
| 2026-07-28T06:55:54.897Z | 48.5% | 0.0% | -48.5 pp |
| 2026-07-28T06:57:42.393Z | 48.5% | 48.5% | -0.0 pp |
| 2026-07-28T06:57:50.422Z | 48.5% | 0.0% | -48.5 pp |
| 2026-07-28T06:59:30.841Z | 50.5% | 50.5% | +0.0 pp |
| 2026-07-28T06:59:39.567Z | 50.5% | 50.5% | +0.0 pp |
| 2026-07-28T06:59:51.988Z | 50.5% | 0.0% | -50.5 pp |
| 2026-07-28T06:59:52.218Z | 50.5% | 0.0% | -50.5 pp |
| 2026-07-28T07:00:31.715Z | 50.5% | 0.0% | -50.5 pp |
| 2026-07-28T07:01:30.895Z | 50.5% | 50.5% | +0.0 pp |
| 2026-07-28T07:01:34.513Z | 50.5% | 50.5% | +0.0 pp |
| 2026-07-28T07:02:30.875Z | 50.5% | 50.5% | +0.0 pp |
| 2026-07-28T07:03:30.801Z | 50.5% | 50.5% | +0.0 pp |
| 2026-07-28T07:04:30.795Z | 100.0% | 50.5% | -49.5 pp |
AUDIT TRAIL
Signal breakdown and trigger
- Marx Fair was 0.0% while the Polymarket UP price was 48.5%.
- The executable DOWN entry was 68.6¢ with a net modeled edge of 29.4 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 68.6%, gross edge 32.0%, slippage 0.6%, fee 1.5%, safety 0.5%, net edge 29.4%. Marx fair UP is 0.0%.