As published in our notice, In The Money (ITM) options contracts that are left to expire will devolve into futures contracts. You will need to have the required margins to hold a futures contract in such a case. The margin requirements are mentioned in our margin calculator. This is applicable to the Zinc, SilverM & Copper options contracts which are expiring on 19th November 2021. Please Note: If you have ITM options positions on expiry day but do not have sufficient margins to hold futures position before devolution, your position will be squared off anytime after 10:00 PM Today.