The monthly expiry of Sensex, Bankex and Sensex 50 will be shifted to last Tuesday of every month from January 1, 2025, BSE informed on Thursday. The weekly contracts of Sensex will also expire on Tuesday as against the existing Friday expiry.Under the current arrangement, the monthly contracts of Sensex expire on last Friday of every month while those of Bankex expire on last Monday of each month. As for Sensex 50, the contracts expire on the last Thursday of the month.BSE said that the expiry date for existing index futures and options contracts will be revised on end of day of December 31, 2024.The expiry day of all existing derivatives contracts on Sensex, Bankex and Sensex 50 expiring after January 3, 2025, will be revised to Tuesday. Meanwhile, there will be no change in existing weekly derivatives contract of Sensex expiring on January 03, 2025.There is no change in other aspects of the contract specifications in the said contracts except expiry day.