The ProShares UltraShort Bloomberg Natural Gas ETF ( KOLD ) is an inverse leveraged exchanged-traded fund designed to provide traders with -2x the daily performance of the Bloomberg Natural Gas Subindex. The strategy is heavily traded, with $177 million inMonte Independent Investment Research: Michael Del Monte is a buy-side equity analyst with expertise in the technology, energy, industrials, and materials sectors. Prior to working in the investment management industry, Michael spent over a decade in profe ...