Educational only, not tax, legal, or financial advice. Rules vary by broker and situation — verify specifics with your broker or a professional.

Weekend assignment risk is when an option seller assigned on a Friday expiration is left holding a stock position over the weekend — exposed to Monday’s gap with no way to react. It’s a seller’s hazard.

How it happens

If you sold an option that finishes ITM on Friday, you’re auto-assigned the stock — and the assignment settles such that you’re holding the position over the weekend, unable to trade until Monday’s open. If weekend news gaps SPY against you, you eat the full gap on a position you didn’t want, with no chance to hedge or exit (a weekend shock makes this acute).

Who faces it

Only sellers — assignment is a seller’s risk. It’s worst for those who let short options ride to Friday expiration near the money (pin risk makes the assignment uncertain), and it can trigger a margin call Monday. Buyers of long options have no weekend assignment risk.

A Friday ITM assignment hands a seller a weekend position they can’t touch — and Monday’s gap is theirs to eat. That’s the seller’s weekend surprise.

What it means for a scalper

As a long-option day trader who closes before the bell, this isn’t your risk — you hold nothing over the weekend. It’s a real reason selling premium carries tail risks that buying doesn’t. NoVo’s intraday, flat-by-close approach never carries weekend assignment exposure.