daily prop · Boston, MA · Northeast & Mid-Atlantic · settles Thu Oct 22

Boston stays cold-for-here: high ≤ 50°F · Thu Oct 22

2¢

american +6523 · decimal 66.23

on the tape

50°F is the bottom-decile high for this date at this station (1940–present).

Canonical settlement condition: High ≤ 50°F. The original listing above is retained as published. Open the model matchup dashboard →

The Tape

what the models knew, when

— — 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		10¢
eps		8¢
ndfd		7¢
icon		6¢
hres		2¢
nbm		1¢
wn2		1¢

The Ladder

where the whole distribution sits

54–55°F2¢

56–57°F5¢

58–59°F13¢

60–61°F21¢

62–63°F24¢

64–65°F19¢

66–67°F10¢

68–69°F4¢

70–71°F1¢

calibration receipt: lead 3, scored on 14,361 settled station-days, consensus CRPS 1.905 vs climatology 8.86.

Receipts

prop id WP-KBOS-20261022-TMAX-LE50 · opened 2026-10-18T08:00:42+00:00 · minted to the append-only hash-chained tape at open; the settle writes next to the mint · inspect the tape