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 trading 24 hours/ 7 days a week, except as noted below.
  • Daily Aggregate Rainfall Index (DARI), High Extreme Daily Temperature Index (HEDTI), and Low Extreme Daily Temperature Index (LEDTI) contracts are available for continuous trading every day of the year.
  • Weekly Precipitation Day Count (WPDC) Contracts are available for continuous trading every day of the year.
  • Atlantic Named Storm Landfall Swaps (ANSLS) contracts are generally available for continuous trading every day from June through November each year.
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 during the holidays listed below, unless otherwise posted.

Holidays in 2020 Holidays in 2019
New Year’s Day  January 1 January 1
Martin Luther King, Jr. Day January 20 January 21
Presidents’ Day February 17 February 18
Good Friday April 10 (Friday) April 19 (Friday)
Memorial Day May 25 May 27
Independence Day July 3- 4 July 4
Labor Day September 7 September 2
Thanksgiving Day November 26 November 28
Christmas Day December 25 December 25