SFO (Kalshi: NWS CLISFO · Poly: Wunderground KSFO)·Fri, Jul 17

Daily High 2026-07-17

Prices as of 11:18 UTC on Jul 17, 2026, delayed about five minutes. Source markets: Kalshi · Polymarket. Resolution follows each venue's own market terms.

Curious how long a gap like this stays open? We measured it.

Bracket alignment

brackets offset today

Polymarket

≤55°—

56-57°—

58-59°—

60-61°—

62-63°—

64-65°—

66-67°—

68-69°—

70-71°—

72-73°—

≥74°—

Kalshi

≤63°—

64-65°—

66-67°—

68-69°—

70-71°—

≥72°—

Both venues' brackets on one temperature axis — each price belongs to its own venue's real bracket. Offset days show as shifted segments.

Bucket prices

KalshiPolymarket

≤55°F

—

56-57°F

—

58-59°F

—

60-61°F

—

62-63°F

—

64-65°F

—

66-67°F

—

68-69°F

—

70-71°F

—

72-73°F

—

≥74°F

—

Offset day: the venues' brackets differ by 1°F — the alignment strip above shows each venue's real brackets and prices. Prices are never combined.

Polymarket closes Jul 17, 12:00 UTC · Kalshi closes Jul 18, 08:00 UTC

Prices delayed about five minutes. Each venue's best ask per outcome; Kalshi asks are derived from its NO bids (ask = $1 minus the bid). Kalshi volume counts contracts, Polymarket volume is in dollars. Real-time prices and the full depth ladder are available via the WebSocket stream with an API key. How the market matching API works · Real-time WebSocket API docs. Feed reference DINO-XKQZ7-9182.