When you elect to exercise, the request can be cancelled up until the time of exercise which generally occurs by the morning of the next business day but may occur sooner. If desired, you can specify that an option exercise request be immediately final (non-editable and cannot be canceled) by checking Make Final. Selecting this preference allows for immediate delivery of the underlying stock into your account and immediate closing of the option position. Note that some contracts will not follow this rule and will remain revocable up until the clearing house deadline.
What does it mean to make option exercise decision final?
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Options assignment prior to expiration
n American-Style option seller (writer) may be assigned an exercise at any time until the option expires. This means that the option writer is subject to being assigned at any time after he or she has written the option until the option expires or until the option contract writer closes out his or her position by buying it back to close. Early exercise happens when the owner of a call or put invokes his or her rights before expiration. As the option seller, you have no control over assignment, and it is impossible to know exactly when this could happen. Generally, assignment risk becomes greater closer to expiration, however even with that being said, assignment can still happen at any time when trading American-Style Options…
How could an Intraday Margin Deficit (IMD) occur?
An Intraday Margin Deficit (IMD) could occur when a maintenance margin deficiency exists at the time of, or immediately after, any of the following transactions in a margin account:
- Any purchase or sale effected in the account, including as the result of the exercise or assignment of an option, that has the effect of reducing the account’s excess liquidity…
What happens at expiration to my short option?
When you sell an option, you provided the purchaser with the right to exercise which they generally will do if the option is in-the-money at expiration. While it is unlikely that holders of in-the-money long options will elect to let the option lapse without exercising them, certain holders may do so due to transaction costs or risk considerations. You can not force an assignment of your short option on the owner of the long option. Always review your position overnight as expiration stock and index option closing transactions will be in your…
How do I exercise an option?
You can elect to manually exercise or lapse long options positions only.
To exercise an out-of-the money option you must first select Allow Exercise, which indicates that you understand that exercising an out-of-the money option will result in a monetary loss. You will only see this preference if you select an OTM options position…