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Normal backwardation
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== Examples == Notable examples of backwardation include: * [[Copper]] circa 1990, apparently arising from [[market manipulation]] by [[Yasuo Hamanaka]] of [[Sumitomo Corporation]] in what has come to be called the "[[Sumitomo copper affair]]".{{Citation needed|date=November 2010}}<!-- Added the newest article where he mentions this, but probably the earliest would be better. Anyone have time to look? --> * In 2013, the wholesale commercial gas market entered backwardation during the month of March. The 2-year contract prices fell below the price of 1-year contracts.<ref>{{Cite web | url=http://www.apolloenergy.co.uk/wholesale-gas-market-an-important-update/ | title=Wholesale gas market β an important update| date=2013-03-14}}</ref>
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