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daily prop · Boston, MA · Northeast & Mid-Atlantic · settles Fri Oct 23

Boston high ≥ 55°F · Fri Oct 23

67¢
american -201 · decimal 1.5
on the tape
The line is the official NWS forecast at open. Settles on the ACIS official NWS daily record.
Canonical settlement condition: High ≥ 55°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¢10/0810/1710/19 11:20
— — 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
eps
82¢
wn2
82¢
aifs
61¢
nbm
59¢
icon
56¢
ndfd
54¢
hres
40¢

The Ladder

where the whole distribution sits
48–49°F2¢
50–51°F6¢
52–53°F15¢
54–55°F24¢
56–57°F25¢
58–59°F18¢
60–61°F8¢
62–63°F2¢
calibration receipt: lead 4, scored on 14,312 settled station-days, consensus CRPS 2.165 vs climatology 8.861.

Receipts

prop id WP-KBOS-20261023-TMAX-GE55 · opened 2026-10-18T15:41:22+00:00 · minted to the append-only hash-chained tape at open; the settle writes next to the mint · inspect the tape