A commodity supercycle occurs when prices of raw materials trade above expectations for an extended period of time. The occurrence is relatively rare: there have only been four commodity supercycles in the last 100 years — until now. According to Marko Kolanovic, a highly-regarded quantitative analyst at JPMorgan, we are in the early stages of the fifth commodity supercycle. This MarketWatch article explains why Kolanovic is bullish on commodities, and what it means for the markets.