The 4 AM Sunday Email That Changed How I Trade Options Expiration

There’s a timing quirk in options trading that catches a lot of traders off guard.

You think your position expired Friday at 4 p.m. ET, and you’re in the clear.

You’re not…

Options assignments can still be processed well after the market closes, stretching into the weekend. That means positions you believe are finished can still change after the fact.

And that’s where the problems start.

The Weekend Risk Most Traders Ignore

This creates a window where you’re exposed but can’t do anything about it.

You can’t adjust the trade. You can’t hedge. You can’t react. The market is closed, and you’re stuck waiting.

Then Sunday morning rolls around, and suddenly you’re looking at an assignment you didn’t expect — shares you didn’t plan to own or capital requirements you weren’t preparing for.

That gap between Friday’s close and final assignment is where traders get blindsided.

Not All Expirations Behave the Same

It’s also important to understand that not every product behaves identically.

Daily expiration contracts tend to resolve much faster. The uncertainty window is shorter, which is one reason some traders prefer them.

But standard equity options follow the traditional assignment process, and that’s where the weekend risk lives.

If you’re running a strategy like the wheel — selling puts, taking assignment, then selling calls — this timing matters even more. You need clarity on when a position is truly finished before making the next decision.

How I Approach Expiration Now

I don’t treat Friday as the finish line anymore.

If I have short positions near the strike, I assume assignment is still on the table until the weekend fully clears. That mindset alone changes how you manage risk going into expiration.

Because the worst thing you can do is assume you’re flat when you’re not.

Options don’t always end when the market closes.

There’s a delay between expiration and final assignment, and that gap can create real risk if you’re not aware of it.

So don’t assume your position is closed Friday afternoon.

Check Sunday. That’s when you actually know.

Trade well,

Jack Carter
Jack Carter Trading 

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*This is for informational and educational purposes only. There is inherent risk in trading, so trade at your own risk. 

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Disclaimer: We develop tools and strategies to the best of our ability, but no one can guarantee the future. There is always a risk of loss when trading. Past performance is not indicative of future results. From 1/1/21 through 3/20/26, the average return per options trade alert published in real time (winners and losers) is 3.29% in 3 days, with a 96.2% win rate.

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