Last Friday, when stocks were trading as if they had come unglued after a record September opex, we warned that market volatility was about to spike after a key market threshold breached: dealer gamma had just turned negative for the first time in weeks...
Why are stocks so extremely jittery today? Here's why pic.twitter.com/gdTGmjCYVI
— zerohedge (@zerohedge) September 22, 2023
...leading to exacerbated market swings as dealers are now forced to chase momentum both up and down.