VERIFIED PAPER CASE · 5 MIN
ETH 5-Minute Signal Post-Mortem: +47.75 pp Edge
Ethereum Up or Down - July 27, 9:15PM-9:20PM ET
ROUND REPLAY
Interactive Polymarket vs Marx Fair divergence
Market UP 10.5%Marx Fair UP 10.5%
Jul 28, 01:15 AMJul 28, 01:17 AMJul 28, 01:19 AMJul 28, 01:21 AMJul 28, 01:23 AM UTC
Market UP and Marx Fair UP history
| Time | Polymarket | Marx Fair | Edge |
|---|---|---|---|
| 2026-07-28T01:15:08.340Z | 0.5% | 50.5% | +50.0 pp |
| 2026-07-28T01:15:34.552Z | 50.5% | 50.5% | +0.0 pp |
| 2026-07-28T01:15:40.031Z | 48.5% | 48.5% | -0.0 pp |
| 2026-07-28T01:15:44.205Z | 50.5% | 50.5% | +0.0 pp |
| 2026-07-28T01:15:54.938Z | 50.5% | 0.0% | -50.5 pp |
| 2026-07-28T01:17:34.709Z | 50.5% | 50.5% | +0.0 pp |
| 2026-07-28T01:17:56.920Z | 50.5% | 0.0% | -50.5 pp |
| 2026-07-28T01:18:39.586Z | 0.5% | 0.0% | -0.5 pp |
| 2026-07-28T01:19:33.550Z | 0.5% | 50.5% | +50.0 pp |
| 2026-07-28T01:19:34.310Z | 50.5% | 50.5% | +0.0 pp |
| 2026-07-28T01:19:39.480Z | 0.5% | 0.5% | +0.0 pp |
| 2026-07-28T01:19:49.738Z | 0.5% | 0.0% | -0.5 pp |
| 2026-07-28T01:20:32.238Z | 0.5% | 0.0% | -0.5 pp |
| 2026-07-28T01:21:30.804Z | 0.5% | 0.5% | +0.0 pp |
| 2026-07-28T01:21:34.546Z | 0.5% | 0.5% | +0.0 pp |
| 2026-07-28T01:22:44.104Z | 0.5% | 10.5% | +10.0 pp |
| 2026-07-28T01:23:39.851Z | 0.0% | 10.5% | +10.5 pp |
| 2026-07-28T01:23:46.426Z | 10.5% | 10.5% | +0.0 pp |
| 2026-07-28T01:23:50.955Z | 10.5% | 10.5% | +0.0 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%.