daily prop · San Diego, CA · West Coast & Southwest · settles Thu May 21

San Diego runs hot-for-here: 74°F+ · Thu May 21

settled · observed 72

recon whiplash

Reconstructed after the fact from archived model runs — labeled, and never on the tape.

Canonical settlement condition: High ≥ 74°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.

Receipts

prop id WP-KSAN-20260521-TMAX-GE74 · opened 2026-05-06T12:00:00+00:00 · settled 2026-05-21T23:59:00+00:00 against ACIS official NWS daily record · reconstructed history — this prop was priced after the fact from archived model runs and is NOT on the tamper-evident tape · inspect the tape