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Alkermes plc (ALKS) short interest & options flow

NASDAQ

Alkermes reported earnings on November 3 and walked into the week with a question traders often face in biotech: does the stock's short interest, now elevated after a month-long build, reflect genuine scepticism or positioning that the bulls can pressure? With analysts moving targets higher the morning after the print, the note this week is really about whether the Street's…

$45.89+0.44% 1d+1.41% 1w+9.92% 1mClose: 4 Nov 2026
Short interest % of float
High
Live SI on ORTEX →
Cost to borrow
Low
Live CTB on ORTEX →
Market cap
$7.70B
Next earnings
25 Feb 2027
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Key data as of 5 Nov 2026

ORTEX chart of Alkermes plc (ALKS) share price and short interest (% of free float), six months to November 4, 2026

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