Institutional Investors Show Confidence in ProShares UltraShort Bloomberg Crude Oil ProShares UltraShort Bloomberg Crude Oil (NYSEARCA:SCO) continues to draw institutional interest as Atomi Financial Group acquired 10,379 shares during the fourth quarter. The ETF, designed to provide -2x daily returns on crude oil futures, also crossed its 200-day moving average, trading as high as $19.40, indicating robust trading activity.2