Not all options expire the same way. In today’s market, especially with the growth of short-dated and 0DTE products, the structural differences between American-style and European-style options matter more than ever. This session breaks down how exercise rights, settlement mechanics, and expiration timing can materially impact risk, assignment, and post-close exposure.
We’ll cover: The key structural differences between American-style and European-style options
How exercise and assignment risk manifests in equity and ETF options
Why expiration mechanics matter in short-duration trading environments
The role of settlement timing, after-hours price movement, and operational risk
Practical risk considerations for traders navigating weekly and 0DTE expirations