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Moleculin Biotech, Inc. (MBRX) short interest & options flow

NASDAQ
Latest pulse15 May 2026

MBRX short interest surges 108% in one week to 1.2% of float, driven by 43% single-day jump on May 14. Cost to borrow stands at 68.5%, with utilization at 74%.

$8.10+0.50% 1d-4.26% 1w+1732.58% 1mClose: 11 Nov 2026
Short interest % of float
Low
Live SI on ORTEX →
Cost to borrow
High
Live CTB on ORTEX →
Market cap
$8M
Next earnings
12 Nov 2026
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Key data as of 12 Nov 2026

ORTEX chart of Moleculin Biotech, Inc. (MBRX) share price and short interest (% of free float), six months to November 11, 2026

Latest signals on MBRX

  • Short Interest

    MBRX short interest surges 108% in one week to 1.2% of float, driven by 43% single-day jump on May 14. Cost to borrow stands at 68.5%, with utilization at 74%.

MBRX news and analysis

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