What is the current probability?

As of the latest cache refresh, the YES contract trades at 98%, implying a 98% chance of YES.

When does this market close?

This market closes on Oct 07, 2026. After close the venue settles the contract based on the official resolution source.

74° to 75°

Settles Oct 07, 2026 (0d) All outcomes: Highest temperature in Chicago on Oct 6, 2026?

chance of YES98% +49.5pp in 24h

Price range (29h)

39–97%

24h volume

13.5K

$1 contracts

Open interest

8.4K

contracts outstanding

Large orders (14d)

—

none recorded

hourly, 29h

Line: hourly closing YES price (= implied probability). Bars: contracts traded.

Open on Kalshi

We don't execute trades; odds are aggregated from public data.