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The rule of U.S. stock option forced liquidation

Option type

Explanation of the forced liquidation rules on expiration day

long call

The system will continuously monitor the client's account positions and calculate the margin required for exercise from time to time (usually 1 hour before the market close). If the option is in-the-money or out-of-the-money, as long as the price difference is less than 5%, and the exercise margin is insufficient, uSmart will reserve the right to close the end-of-day options at any time and conduct forced liquidation.

long put

The system will continuously monitor the client's account positions and calculate the margin required for exercise from time to time (usually 1 hour before the market close). If the option is in-the-money or out-of-the-money, as long as the price difference is less than 5%, and the exercise margin is insufficient, uSmart will reserve the right to close the end-of-day options at any time and conduct forced liquidation.

short call

 

Naked Call Option Selling: The system will continuously monitor the client's account positions and calculate the margin required for exercise from time to time (usually 1 hour before the market close). If the option is in-the-money or out-of-the-money, as long as the price difference is less than 5%, and the exercise margin is insufficient, uSmart will reserve the right to close the end-of-day options at any time and the position need to be bought for liquidation. 

Covered Call: Support exercise if in price, auto invalid if out price

short put

The system will continuously monitor the client's account positions and calculate the margin required for exercise from time to time (usually 1 hour before the market close). If the option is in-the-money or out-of-the-money, as long as the price difference is less than 5%, and the passive exercise margin amount is insufficient, uSMART will reserve the right to close the end-of-day options at any time and the position need to be bought for liquidation.