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Volume and Open Interest   



Just like with futures, options markets have volume and open interest. Volume is a running count of the number of option contracts that have traded during the day and open interest is the number of option contracts outstanding, that is, that have 
not been closed or offset. 
 

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This page is created by Julia Lee '99 and is maintained by Professor Satyananda Gabriel of the Economics Department, Mount Holyoke College, January 1999.