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daily prop · Detroit, MI · Great Lakes & Upper Midwest · settles Fri Oct 23

Detroit high ≥ 66°F · Fri Oct 23

50¢
american -100 · decimal 2.0
on the tape
The line is the official NWS forecast at open. Settles on the ACIS official NWS daily record.
Canonical settlement condition: High ≥ 66°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¢10/0810/1810/20 06:00
— — 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
73¢
ndfd
54¢
icon
45¢
eps
40¢
nbm
37¢
hres
18¢

The Ladder

where the whole distribution sits
56–57°F2¢
58–59°F6¢
60–61°F14¢
62–63°F22¢
64–65°F23¢
66–67°F18¢
68–69°F9¢
70–71°F3¢
72–73°F1¢
calibration receipt: lead 3, scored on 14,413 settled station-days, consensus CRPS 1.902 vs climatology 8.854.

Receipts

prop id WP-KDTW-20261023-TMAX-GE66 · opened 2026-10-18T04:14:05+00:00 · minted to the append-only hash-chained tape at open; the settle writes next to the mint · inspect the tape