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daily prop · Boston, MA · Northeast & Mid-Atlantic · settles Sat Oct 24

Boston high ≥ 57°F · Sat Oct 24

39¢
american +157 · decimal 2.57
on the tape
The line is the official NWS forecast at open. Settles on the ACIS official NWS daily record.
Canonical settlement condition: High ≥ 57°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¢10/0910/1610/19 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¢
ndfd
53¢
wn2
53¢
nbm
37¢
icon
35¢
hres
19¢
eps
14¢

The Ladder

where the whole distribution sits
46–47°F1¢
48–49°F3¢
50–51°F7¢
52–53°F12¢
54–55°F18¢
56–57°F20¢
58–59°F18¢
60–61°F12¢
62–63°F6¢
64–65°F2¢
66–67°F1¢
calibration receipt: lead 5, scored on 14,263 settled station-days, consensus CRPS 2.483 vs climatology 8.861.

Receipts

prop id WP-KBOS-20261024-TMAX-GE57 · opened 2026-10-18T04:13:34+00:00 · minted to the append-only hash-chained tape at open; the settle writes next to the mint · inspect the tape