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Butterfly Network, Inc. (BFLY) short interest & options flow

NYSE

Butterfly Network enters the back half of September with a dramatic week behind it — the stock jumped 27% in five sessions to $9.93, yet short sellers show no sign of retreating and a fresh analyst initiation landed the same day the rally peaked. The analyst catalyst is the week's clearest trigger. Needham initiated coverage on September 22 with a Buy rating and a $10 target…

Latest pulse29 Jun 2026

BFLY cost to borrow surges to 6.18%, up 1375% in one week—a dramatic spike from near-zero levels as the stock rallies 96% monthly while shorts hold firm at 11.5% of float.

$7.47+3.03% 1d-12.63% 1w-5.20% 1mClose: 19 Oct 2026

Short interest % of float: High
Cost to borrow: Low
Availability
Put / call ratio

Next earnings: 29 Oct 2026

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Key data as of 20 Oct 2026

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