What are trading hours?

Kalshi is now open for trading 24/7 (with exceptions for maintenance). Scheduled maintenance windows will occur, and trading will not be available on Kalshi, during the following times: On a regular basis, from the hours of 3:00 AM ET to 5:00 AM ET on Thursdays.

When can I trade on Kalshi?

Day	Trading Hours
Sunday	24 Hours
Monday	24 Hours
Tuesday	24 Hours
Wednesday	24 Hours
Thursday	22 hours (closed for maintenance 3:00–5:00 AM ET)
Friday	24 Hours
Saturday	24 Hours

On September 29, 2025, from the time of 3:00 AM ET to 3:10 AM ET, the exchange will be temporarily closed for an emergency maintenance window. During this time, trading will be unavailable. Thank you!