State Street SPDR Portfolio Mortgage Backed Bond ETF (AMEX: SPMB) is an exchange-traded fund. QuoTrend tracks its price, holdings, performance, fund flows and news.
SPMB State Street SPDR Portfolio Mortgage Backed Bond ETF · AMEX
22.02 +0.55%
Short Interest History · Twice monthly
Settlement Date Short Interest Avg Daily Volume Shares Float Short Float % Short Ratio Jul-15-26 248.01K 1.32M — — 0.19 Jun-30-26 499.30K 1.27M — — 0.39 Jun-15-26 219.59K 1.17M — — 0.19 May-29-26 622.85K 1.09M — — 0.57 May-15-26 613.69K 1.00M — — 0.61 Apr-30-26 844.14K 881.55K — — 0.96 Apr-15-26 1.14M 791.84K — — 1.44 Mar-31-26 451.51K 776.74K — — 0.58 Mar-13-26 675.93K 796.49K — — 0.85 Feb-27-26 568.32K 778.13K — — 0.73 Feb-13-26 239.31K 804.31K — — 0.30 Jan-30-26 464.56K 815.51K — — 0.57
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