daily prop · Boston, MA · Northeast & Mid-Atlantic · settles Sat Oct 17

Boston stays cold-for-here: high ≤ 52°F · Sat Oct 17

settled · observed 62

whiplash on the tape

52°F is the bottom-decile high for this date at this station (1940–present).

Canonical settlement condition: High ≤ 52°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.

Verdict

This prop traded as high as 86¢ and busted; crossed 70¢ in both directions — a genuine whiplash.

Who's Bullish

each model's own price

ndfd		88¢
nbm		71¢
hrrr		2¢
aifs		1¢
hres		0¢
eps		0¢
icon		0¢
wn2		0¢
rrfs		0¢

Receipts

prop id WP-KBOS-20261017-TMAX-LE52 · opened 2026-10-13T08:02:21+00:00 · settled 2026-10-18T14:04:58+00:00 against ACIS official NWS daily record · minted to the append-only hash-chained tape at open; the settle writes next to the mint · inspect the tape