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RP

Rapid Micro Biosystems, Inc. (RPID) short interest & options flow

NASDAQ
Latest pulse14 May 2026

RPID short interest surged 23.3% over the past week to 2.16% of float, driven by an 8.6% single-day jump on May 13. Cost to borrow fell 29% in the same period to 0.93%, while utilization sits at just 20.7%.

$0.75+3.21% 1d+8.87% 1w-15.68% 1mClose: 10 Nov 2026
Short interest % of float
Low
Live SI on ORTEX →
Cost to borrow
Low
Live CTB on ORTEX →
Market cap
$38M
Next earnings
13 Nov 2026
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Key data as of 12 Nov 2026

ORTEX chart of Rapid Micro Biosystems, Inc. (RPID) share price and short interest (% of free float), six months to November 10, 2026

Latest signals on RPID

  • Short Interest

    RPID short interest surged 23.3% over the past week to 2.16% of float, driven by an 8.6% single-day jump on May 13. Cost to borrow fell 29% in the same period to 0.93%, while utilization sits at just 20.7%.

RPID news and analysis

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