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daily prop · Boston, MA · Northeast & Mid-Atlantic · settles Wed Oct 21

Boston high ≥ 59°F · Wed Oct 21

59¢
american -145 · decimal 1.69
on the tape
The line is the official NWS forecast at open. Settles on the ACIS official NWS daily record.
Canonical settlement condition: High ≥ 59°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¢10/0610/1410/19 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
78¢
wn2
76¢
icon
60¢
ndfd
53¢
eps
48¢
hres
46¢
nbm
44¢

The Ladder

where the whole distribution sits
48–49°F1¢
50–51°F6¢
52–53°F17¢
54–55°F28¢
56–57°F28¢
58–59°F15¢
60–61°F5¢
62–63°F1¢
calibration receipt: lead 2, scored on 14,410 settled station-days, consensus CRPS 1.692 vs climatology 8.861.

Receipts

prop id WP-KBOS-20261021-TMAX-GE59 · opened 2026-10-15T04:47:47+00:00 · minted to the append-only hash-chained tape at open; the settle writes next to the mint · inspect the tape