Trading Calendar and Hours

Please refer to this page for weather trading schedule updates.

Trading Hours

Weather Contracts listed on CX are generally open for continuous trading 24 hours/ 7 days a week, except as noted below.
  • Atlantic Named Storm Landfall Swaps (ANSLS) contracts are generally available for continuous trading every day from June through November each year. There is no trading in these contracts from December through May.
Note that trading may be suspended for routine maintenance and any announced periods of non-routine maintenance.


There will be no processing of deposits/withdrawals and certain other administrative functions on weekends and during the holidays listed below, unless otherwise posted.

Holidays in 2021 Holidays in 2020
New Year’s Day  January 1 January 1
Martin Luther King, Jr. Day January 18 January 20
Presidents’ Day February 15 February 17
Good Friday April 2 (Friday) April 10 (Friday)
Memorial Day May 31 May 25
Independence Day July 5 July 3
Labor Day September 6 September 7
Thanksgiving Day November 25 November 26
Christmas Day December 24 December 25