daily prop · Philadelphia, PA · Northeast & Mid-Atlantic · settles Sun Oct 18

Philadelphia stays cold-for-here: high ≤ 55°F · Sun Oct 18

settled · observed 61

whiplash on the tape

55°F is the bottom-decile high for this date at this station (1940–present).

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

— — 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 93¢ and busted; crossed 70¢ in both directions — a genuine whiplash.

Who's Bullish

each model's own price

icon		25¢
hres		17¢
rrfs		16¢
hrrr		9¢
eps		6¢
ndfd		5¢
nbm		4¢
aifs		2¢
wn2		1¢

Receipts

prop id WP-KPHL-20261018-TMAX-LE55 · opened 2026-10-14T10:32:05+00:00 · settled 2026-10-19T13:41:23+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