Markets /SFK SFK ProShares UltraShort Russell100 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. 5D chart 1D5D1M3M6MYTD1Y2Y5YMAX Chart tools Interval 1m5m15m30m Chart is warming up The five-day price history for SFK has not been loaded yet. Try again in a moment. SummaryChartFinancialsValuationEarningsDividends & splitsHoldersNewsPeersComparisonDiscussionSignalsNotesOptionsAlertsPositionsTrend Score Dividends Dividend calendar → No dividends on record SFK has no dividend history here. Stock splits SFK stock splitsDateRatioMay 11, 20120.25:1