When are futures introduced

Futures are introduced at 08:00 UTC on the day of introduction.  

Maturity Introduction
Daily Daily
Weekly Friday
Monthly Last Friday of the month
Quarterly Last Friday of February, May, August and November

Examples:

Instrument Maturity Introduced at 08:00 UTC on Expires at 08:00 UTC on
BTC-19MAY22 Daily Tuesday 17 May 2022 Thursday 19 May 2022
BTC-20MAY22 Weekly Friday 29 April 2022 Friday 20 May 2022
BTC-27MAY22 Monthly Friday 25 March 2022 Friday 27 May 2022
BTC-30DEC22 Quarterly Friday 27 May 2022 Friday 20 December 2022

Please see our Contract Specifications for more information.