Ep58 - Predicting Assignments

Dan explains when option assignment is predictable, when it isn’t and why understanding the other side of the trade matters. He breaks down expiration mechanics, strike-price pinning, early exercise around dividends, deep in-the-money put assignment and hard-to-borrow stocks. He points out that while assignment is usually straightforward, in certain situations strategy and market mechanics can make outcomes much less obvious.

Key Topics

• Why assignment usually follows the standard “in the money by a penny” rule
• How long option holders can override automatic exercise
• Why wheel traders don’t choose assignment—they only receive it
• Strike-price pinning and why it creates assignment uncertainty
• Strike clustering and why stocks close near strikes more often than expected
• How market makers hedge pinned positions and decide how many options to exercise
• Extended-hours moves and how they can affect exercise decisions after the close
• When skate-objective traders should close or roll to avoid assignment uncertainty
• Early exercise risk for in-the-money calls before ex-dividend dates
• Early assignment risk for deep in-the-money puts when interest costs exceed time value
• How hard-to-borrow stocks can increase the likelihood of early call assignment

Key Takeaways

• Most assignments are intuitive. If an option expires in the money, it usually gets exercised; if it expires out of the money, it usually doesn’t.
• Pin risk makes things messy. When a stock closes right at or near the strike, assignment becomes less predictable because hedgers may exercise only part of their position.
• If assignment certainty matters, don’t leave pinned options on. Close or roll short options near the strike before expiration.
• Strike clustering is real. Stocks tend to close near strike prices more often than a purely random distribution would suggest.
• Dividend risk matters for covered calls. In-the-money calls are more likely to be assigned the day before an ex-dividend date.
• Deep ITM puts can be assigned early too. When carrying the stock hedge becomes more expensive than the put’s remaining time value, exercise becomes more likely.
• Hard-to-borrow stocks add another wrinkle. Early call assignment becomes more likely when market makers want to reduce short-stock hedge risk.
• Most of the time, the wheel continues either way. But when avoiding gap risk or protecting a skate objective matters, assignment prediction becomes much more important.

Connect

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Disclosure:

Options involve risk and are not suitable for all investors. Prior to buying or selling an option, investors must read Characteristics and Risks of Standardized Options (ODD) which can be found at https://www.theocc.com/company-information/documents-and-archives/options-disclosure-document

Don’t trade with money you are not prepared to lose. Anything discussed on this show is intended to be generalized information and not intended to be a recommendation to buy or sell any security. The host and guests are not familiar with listeners’ specific situations. For trading information relevant to your specific needs, speak with a licensed broker or advisor.

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