Do options trade on expiration day
{"Image DocumentName": "Option Exercise American-style European-style", "Image ImageDescription": "Exercisable at any time up to and including the option expiration date. European-style. Exercisable only at the option expiration date. Very Important: Option holders also have the right to sell their option at any time. That is, they do not have to exercise the option if they no longer want it. 18.", "Image XResolution": "37", "Image YResolution": "37", "Image ResolutionUnit": "Pixels/Centimeter", "Image Software": "SlidePlayer", "Image YCbCrPositioning": "Centered"}