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SP

SPMB

SPDR Series Trust - State Street SPDR Portfolio Mortgage Backed Bond ETF

ARCA
Latest pulse2 Oct 2026

SPMB short interest surges 425% in one week to 0.15% of float, though availability remains extremely high at 8,289%.

$21.38-0.05% 1d+0.90% 1w-0.79% 1mClose: 16 Oct 2026
Short interest % of float
Low and dropping
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Cost to borrow
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Availability
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Put / call ratio
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Snapshot as of 19 Oct 2026

Articles

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