[1] : The Collaborative International Dictionary of English v.0.48

contango \contan"go\ ko^nta^ng"g-o, n.; pl.
   contangoes. prob. a corruption of contingent.
   1. stock exchange the premium or interest paid by the buyer
      to the seller, to be allowed to defer paying for the stock
      purchased until the next fortnightly settlement day.
      eng.
      1913 webster

   2. law the postponement of payment by the buyer of stock on
      the payment of a premium to the seller. see
      backwardation. --n. biddle.
      1913 webster
see also:
contangoes backwardation 

Contango >> C Words
Contango, definition of term: Contango
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