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daily prop · Boston, MA · Northeast & Mid-Atlantic · settles Sun Oct 18

Boston high ≥ 51°F · Sun Oct 18

93¢
american -1341 · decimal 1.07
★ golden on the tape
The line is the official NWS forecast at open. Settles on the ACIS official NWS daily record.
Canonical settlement condition: High ≥ 51°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¢10/0310/1310/18 18:00
— — 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
wn2
100¢
aifs
96¢
icon
90¢
rrfs
90¢
nbm
87¢
eps
68¢
hres
58¢
ndfd
56¢

The Ladder

where the whole distribution sits
48–49°F2¢
50–51°F6¢
52–53°F13¢
54–55°F22¢
56–57°F24¢
58–59°F19¢
60–61°F10¢
62–63°F4¢
64–65°F1¢
calibration receipt: lead 3, scored on 14,205 settled station-days, consensus CRPS 1.906 vs climatology 8.875.

Receipts

prop id WP-KBOS-20261018-TMAX-GE51 · opened 2026-10-13T15:41:08+00:00 · minted to the append-only hash-chained tape at open; the settle writes next to the mint · inspect the tape