Traders have poured a record $977 million into the ProShares UltraShort Bloomberg Crude Oil ETF (SCO), a leveraged bet that oil prices will collapse from their war-driven highs. Despite the high-volume, double-leveraged bet, the ETF still dropped 41% in March, its worst month in nearly six years, highlighting the ETF’s high risk in volatile markets. Oil prices have pulled back from recent highs after U.S. President Donald Trump announced that he is looking to wind up the Iran war soon. The ProShares UltraShort Bloomberg Crude Oil ETF is a…