OMX Nordic Exchange in Stockholm will implement a change of expiry day for OMXS30 contracts. Currently the expiry day is the fourth (4th) Friday in the expiry month, after the change the expiry day will be the third (3rd) Friday in the expiry month. During the transition period from fourth Friday expiry to third Friday expiry there will be no changes to outstanding series. See attached document for more information.
Attachments
