Markets /SFK ProShares UltraShort Russell100 SFK Full chart Compare Add to watchlist Set alert Price alert · SFK Alert when the price is Price abovePrice below Price level Set alert All alert types No live quote for SFK yet. Overview Chart Financials FinancialsValuation & healthEarnings EarningsDividends & splitsAnalysts News Ownership Options More ComparisonSignalsTrend ScoreDiscussionNotesPositionsAlerts News All sources Benzinga only 14 years ago benzinga.com ProShares Announces 11 Reverse Splits 15 years ago benzinga.com DirecTV and DISH Network Still Racing Higher