VERIFIED PAPER CASE · 1 HOUR
ETH 1-Hour Signal Post-Mortem: +61.89 pp Edge
Ethereum Up or Down - July 27, 9PM ET
ROUND REPLAY
Interactive Polymarket vs Marx Fair divergence
Market UP 4.0%Marx Fair UP 0.0%
Jul 28, 01:01 AMJul 28, 01:16 AMJul 28, 01:30 AMJul 28, 01:45 AMJul 28, 01:59 AM UTC
Market UP and Marx Fair UP history
| Time | Polymarket | Marx Fair | Edge |
|---|---|---|---|
| 2026-07-28T01:01:49.446Z | 54.5% | 0.0% | -54.5 pp |
| 2026-07-28T01:07:49.619Z | 55.5% | 0.0% | -55.5 pp |
| 2026-07-28T01:09:59.946Z | 20.5% | 0.0% | -20.5 pp |
| 2026-07-28T01:15:54.828Z | 36.5% | 0.0% | -36.5 pp |
| 2026-07-28T01:19:49.571Z | 28.5% | 0.0% | -28.5 pp |
| 2026-07-28T01:21:50.481Z | 28.5% | 0.0% | -28.5 pp |
| 2026-07-28T01:25:51.912Z | 31.5% | 0.0% | -31.5 pp |
| 2026-07-28T01:27:51.474Z | 31.5% | 0.0% | -31.5 pp |
| 2026-07-28T01:33:49.617Z | 46.5% | 0.0% | -46.5 pp |
| 2026-07-28T01:43:51.065Z | 50.5% | 0.0% | -50.5 pp |
| 2026-07-28T01:51:54.507Z | 55.5% | 0.0% | -55.5 pp |
| 2026-07-28T01:59:30.764Z | 0.5% | 0.0% | -0.5 pp |
| 2026-07-28T01:59:53.666Z | 4.0% | 0.0% | -4.0 pp |
AUDIT TRAIL
Signal breakdown and trigger
- Marx Fair was 0.0% while the Polymarket UP price was 46.5%.
- The executable DOWN entry was 36.0¢ with a net modeled edge of 61.9 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 36.0%, gross edge 64.0%, slippage 0.0%, fee 1.6%, safety 0.5%, net edge 61.9%. Marx fair UP is 0.0%.