What is 'Back-Of-The-Envelope Calculation' An informal mathematical computation, often performed on a scrap of paper such as an envelope. A back-of-the-envelope calculation...
DefinitionContango is a situation where the futures price of a commodity is higher than the anticipated spot price at maturity of the futures contract....
What is 'Back Months' The available futures contracts for a particular commodity that possess expirations or delivery dates furthest into the future....