Indianapolis, INHigh ≥ 77°F
Who takes which side?
Probabilities derived from each source’s mean and spread. Forecasts may have different initialization times.
Head-to-head preview
ILLUSTRATIVE · NOT EXECUTED100 contracts at the midpoint of these model probabilities. Each contract pays 1u to the winning side.
AIFS +82.70u · EPS −82.70u
These are current forecast comparisons, not locked entries. No credits have been committed. Read the proposed policy →
Probability history
Recorded source probabilities; timestamps mark snapshots. Repeated values may come from the same model run.
Forecasts & evidence
| MODEL | YES | MEAN | SPREAD σ | INITIALIZATION UTC | BRIER ↓ |
|---|---|---|---|---|---|
| NWS forecast | 53% | 77.0°F | 5.9°F | 2026-10-17 14:00 | Pending |
| National Blend | 37% | 75.0°F | 4.5°F | 2026-10-17 06:00 | Pending |
| AIFS Single | 31% | 73.8°F | 5.4°F | 2026-10-17 18:00 | Pending |
| WeatherNext 2 | 20% | 72.6°F | 4.7°F | 2026-10-17 12:00 | Pending |
| IFS HRES | 5% | 65.7°F | 6.6°F | 2026-10-17 12:00 | Pending |
| ICON | 5% | 64.4°F | 7.2°F | 2026-10-17 12:00 | Pending |
| IFS Ensemble | 4% | 70.4°F | 3.4°F | 2026-10-17 00:00 | Pending |
Spread is the standard deviation used in the probability approximation. It is not a measured confidence rating. Brier here scores the latest recorded snapshot, not a league deadline.
High ≥ 77°F · KIND
Daily temperature props settle on the ACIS official station record. Inclusive and strict thresholds retain their exact meanings. Provisional observations do not replace the settlement record.
WP-KIND-20261023-TMAX-GE77
Opened Oct 17 · 15:24 UTC
Original listing: Indianapolis high ≥ 77°F · Fri Oct 23
Original prop, full history & receipt ↗