daily prop · Billings, MT · Rockies & Intermountain · settles Fri Sep 11

Billings high ≥ 71°F · Fri Sep 11

settled · observed 67

whiplash on the tape

The line is the official NWS forecast at open. Settles on the ACIS official NWS daily record.

Canonical settlement condition: High ≥ 71°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 100¢ and busted; crossed 70¢ in both directions — a genuine whiplash.

Who's Bullish

each model's own price

eps		100¢
rrfs		96¢
wn2		67¢
ndfd		56¢
nbm		32¢
aifs		20¢
hres		19¢
icon		16¢

Receipts

prop id WP-KBIL-20260911-TMAX-GE71 · opened 2026-09-08T14:54:43+00:00 · settled 2026-09-12T13:49:38+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