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daily prop · Chicago, IL · Great Lakes & Upper Midwest · settles Mon Oct 26

Chicago high ≥ 70°F · Mon Oct 26

40¢
american +149 · decimal 2.49
on the tape
The line is the official NWS forecast at open. Settles on the ACIS official NWS daily record.
Canonical settlement condition: High ≥ 70°F. The original listing above is retained as published. Open the model matchup dashboard →

The Tape

what the models knew, when
0¢25¢50¢75¢100¢10/1110/1610/19 10:35
— — reconstructed from archived model runs (deterministic values + a lead-dependent Gaussian error model, labeled, never on the tape) · — live prices from the running consensus engine.

Who's Bullish

each model's own price
nbm
54¢
eps
49¢
wn2
46¢
icon
45¢
hres
41¢
aifs
17¢

The Ladder

where the whole distribution sits
56–57°F1¢
58–59°F2¢
60–61°F5¢
62–63°F9¢
64–65°F13¢
66–67°F16¢
68–69°F17¢
70–71°F14¢
72–73°F10¢
74–75°F6¢
76–77°F3¢
78–79°F1¢
calibration receipt: lead 7, scored on 8,335 settled station-days, consensus CRPS 2.605 vs climatology 8.757.

Receipts

prop id WP-KORD-20261026-TMAX-GE70 · opened 2026-10-19T07:33:07+00:00 · minted to the append-only hash-chained tape at open; the settle writes next to the mint · inspect the tape