0DTE Gamma Walls: Reading the Day's Largest Call and Put Strikes as Intraday Magnet Levels
With 0DTE now over 45% of SPX volume, the day's largest call and put strikes can act like magnets or accelerants depending on dealer gamma. Here's how to read those walls as reference levels, and a clear-eyed look at why 0DTE can take an account apart in minutes.
Anatomy of a Semiconductor Cascade: Sector Correlation and How Dealer Gamma Amplifies Second-Day Moves
Semiconductors are in a second straight day of selling, with TSM leading lower after a record quarter. The second day is the interesting one: here's how sector correlation clusters the initial break and how dealer gamma turns it into a self-reinforcing, multi-day move.