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daily prop · Chicago, IL · Great Lakes & Upper Midwest · settles Sun Oct 25

Chicago runs hot-for-here: 73°F+ · Sun Oct 25

41¢
american +146 · decimal 2.46
on the tape
73°F is the top-decile high for this date at this station (1940–present). Hot means hot *for here*.
Canonical settlement condition: High ≥ 73°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¢10/1010/1810/19 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
aifs
77¢
wn2
69¢
icon
55¢
ndfd
40¢
nbm
33¢
hres
22¢
eps
14¢

The Ladder

where the whole distribution sits
60–61°F1¢
62–63°F2¢
64–65°F5¢
66–67°F9¢
68–69°F13¢
70–71°F16¢
72–73°F17¢
74–75°F15¢
76–77°F10¢
78–79°F6¢
80–81°F3¢
82–83°F1¢
calibration receipt: lead 6, scored on 14,214 settled station-days, consensus CRPS 2.858 vs climatology 8.861.

Receipts

prop id WP-KORD-20261025-TMAX-GE73 · opened 2026-10-18T08:01:16+00:00 · minted to the append-only hash-chained tape at open; the settle writes next to the mint · inspect the tape