ProShares UltraShort Bloomberg Crude Oil Surges Past Key Benchmark ProShares UltraShort Bloomberg Crude Oil ETF (NYSEARCA:SCO) recently crossed its 200-day moving average, reaching $19.33 during Monday's trading. This marks a significant rise from its 50-day average of $16.55. Institutional interest has also picked up, with Atomi Financial Group acquiring over 10,000 shares in the last quarter.1