First Week of March 2016 Options Trading For Houghton Mifflin Harcourt (HMHC) By: Market News Video July 27, 2015 at 11:02 AM EDT Investors in Houghton Mifflin Harcourt Co. (HMHC) saw new options become available this week, for the March 2016 expiration.. Read More >> Related Stocks: Houghton Mifflin Har