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HA

Halozyme Therapeutics, Inc. (HALO) short interest & options flow

NASDAQ

Halozyme Therapeutics enters the final stretch before its November 3 earnings with a notable reversal in the short-selling picture: after weeks of shorts quietly retreating, the position has rebuilt sharply this week, even as analysts are lifting targets and options traders remain firmly on the call side. The shift in short interest is the clearest change from last week's note…

Latest pulse25 Aug 2026

HALO put-call ratio explodes to 2.11, highest level in 52 weeks—signaling extreme bullish options positioning as stock rallies 33% in one month.

$130.34+1.34% 1d+0.24% 1w+18.64% 1mClose: 4 Nov 2026
Short interest % of float
High
Live SI on ORTEX →
Cost to borrow
Low
Live CTB on ORTEX →
Market cap
$14.79B
Next earnings
5 Nov 2026
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Key data as of 5 Nov 2026

ORTEX chart of Halozyme Therapeutics, Inc. (HALO) share price and short interest (% of free float), six months to November 4, 2026

HALO news and analysis

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