The Collaborative International Dictionary of English v.0.48:

Overstand \O`ver*stand"\, v. t.
   To stand on the price or conditions of, so as to lose a sale;
   to lose by an extravagant price or hard conditions. [Obs.]
   [1913 Webster]

         What madman would o'erstand his market twice? --Dryden.
   [1913 Webster]