In fact, there are days! This precisely implies to the unprecedented meltdown in the WTI crude oil contract listed on NYMEX (New York Mercantile Exchange). Since the MCX (Multi Commodity Exchange) relies on the NYMEX rates for pricing its crude oil contracts and therefore impacted many commodity traders and brokers to its consequential impact on the settlement price. The May futures on the New York exchange had settled at an unprecedented negative rate: Minus $37.63 a barrel. For those who want to get a good understanding of the Crude oil markets to check out the Crude oil Chapter on our School of Stocks.