Kalshi: NWS DFW (CLIDFW) · Poly: Wunderground Love Field (KDAL) — DIFFERENT Airports·Tue, Jul 21

Daily High 2026-07-21

Prices as of 23:38 UTC on Jul 21, 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

≤99°—

100-101°—

102-103°—

104-105°—

106-107°—

108-109°—

110-111°—

112-113°—

114-115°—

116-117°—

≥118°—

Kalshi

≤100°—

101-102°—

103-104°—

105-106°—

107-108°—

≥109°—

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

≤99°F

—

100-101°F

—

102-103°F

—

104-105°F

—

106-107°F

—

108-109°F

—

110-111°F

—

112-113°F

—

114-115°F

—

116-117°F

—

≥118°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 21, 12:00 UTC · Kalshi closes Jul 22, 06:00 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.