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Minneapolis Grain Exchange (MGE)
Established in 1881 as the Minneapolis Chamber of Commerce, it became MGE in 1947. In addition to trading wheat and shrimp futures contracts, on September 14, 1998, MGE launched its twin-cities generation region electricity futures and options contracts. It is the first futures exchange to list electricity futures with an upper US Midwest delivery point. It is also the first to list off-peak electricity futures and options contracts.