Explainer: What is a gamma squeeze and how did it drive up AMC’s stock price?

Shares of AMC Entertainment Holdings Inc (AMC.N) surged to a record high this week in a blistering rally that again highlighted how an arcane options market dynamic known as a gamma squeeze can super-charge stock price gains.
Analysis: With AMC shares sky-high, ‘gamma squeeze’ less of a driving force

The meteoric rise in shares of AMC Entertainment Holdings Inc (AMC.N) may have diminished an important options market force that helped fuel its recent gains, analysts said.