The option market may not be available in regular hours, especially when the underlyings move big and quick times. Cannot take profit, cannot cut loss. It is a pain in the ass. It is a cancer in the industry.

Quote from NoMoreOptions:
The option market may not be available in regular hours, especially when the underlyings move big and quick times. Cannot take profit, cannot cut loss. It is a pain in the ass. It is a cancer in the industry.