Economics A-Z | Economist.com

Economics A-Z | Economist.com: "Backwardation When a commodity is valued more highly in a spot market (that is, when it is for delivery today) than in a futures market (for delivery at some point in the future). Normally, interest costs mean that futures prices are higher than spot prices, unless the markets expect the price of the commodity to fall over time, perhaps because there is a temporary bottleneck in supply. When spot prices are lower than futures prices it is known as contango."