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

Boston high ≥ 60°F · Wed Oct 21

84¢
american -530 · decimal 1.19
on the tape
The line is the official NWS forecast at open. Settles on the ACIS official NWS daily record.
Canonical settlement condition: High ≥ 60°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¢10/0610/1310/19 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
99¢
wn2
94¢
eps
82¢
icon
73¢
nbm
55¢
hres
32¢

The Ladder

where the whole distribution sits
50–51°F3¢
52–53°F22¢
54–55°F44¢
56–57°F25¢
58–59°F4¢
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-GE60 · opened 2026-10-14T10:31:59+00:00 · minted to the append-only hash-chained tape at open; the settle writes next to the mint · inspect the tape