Why Purchasing Stock Options Near Expiry is Restricted?

Why Purchasing Stock Options Near Expiry is Restricted?

Buying new or long positions in out-of-the-money (OTM) stock options during the final two days before expiry (specifically on Wednesday and Thursday) is prohibited. This restriction is in place because such contracts may be subject to physical settlement. However, clients are still allowed to close out their existing short positions for the quantities they currently hold. For more details on this, you can refer to 5Paisa's policy regarding the physical settlement of equity derivatives on expiry.

One key reason for this rule is that margin requirements can rise quickly if a client’s options contracts are due for physical delivery. Additionally, stock options often suffer from low liquidity, making it challenging to exit a contract. This increased difficulty and risk can pose significant concerns for brokerage firms.