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FL

Firefly Aerospace Inc. (FLY) short interest & options flow

NASDAQ

Short sellers have not flinched despite a dramatic 37% single-day rebound in Firefly Aerospace shares to $20.76. Bearish positions account for 8.6% of the free float, 13.76 million shares, a level not seen in at least a year and roughly 17% above where they stood a month ago. The build in short interest has been methodical. Positions ran near 11.9 million shares at the start of…

Latest pulse17 Jun 2026

FLY short interest jumps 48% in one week to 7.1% of float, driven by recent earnings miss and stock decline. Availability remains elevated at 131%, making shares readily accessible to short sellers despite rising borrow costs.

$20.76+36.80% 1d+15.75% 1w-9.07% 1mClose: 6 Nov 2026
Cost to borrow
Low
Live CTB on ORTEX →
Availability
Low
Live availability on ORTEX →
Market cap
$3.48B
Next earnings
10 Nov 2026
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Key data as of 8 Nov 2026

ORTEX chart of Firefly Aerospace Inc. (FLY) share price and short interest (% of free float), six months to November 6, 2026