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FL

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

NASDAQ

Short sellers in Firefly Aerospace have not retreated. Bearish positions amount to 8.7% of the free float, 13.8 million shares, the highest level recorded in at least a year and 15% above where they stood a month ago. The build has been consistent through sharp price moves in both directions. Positions crossed 12.5 million shares in mid-October, stepped up to 13.7 million by late…

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.

$23.70-2.51% 1d+39.29% 1w+18.50% 1mClose: 10 Nov 2026
Cost to borrow
Low
Live CTB on ORTEX →
Availability
Low
Live availability on ORTEX →
Market cap
$3.97B
Next earnings
12 Nov 2026
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Key data as of 11 Nov 2026

ORTEX chart of Firefly Aerospace Inc. (FLY) share price and short interest (% of free float), six months to November 10, 2026