FuelCell Energy, Inc. (FCEL) short interest & options flow
NASDAQFuelCell Energy has become one of the most charged setups in the clean energy space, with more than half the free float sold short even as the stock rips 22% higher in a single week. The short interest story here is genuinely extreme. Short sellers hold an estimated 50.7% of the free float, a level that makes squeeze dynamics a constant backdrop. That position has grown fast: short…
FCEL short interest surges 17.5% in one day to 50.5% of float, highest level in recent history, as availability climbs to 289%—signaling easier shorting despite rising borrow costs.
- Market cap
- $796M
- Next earnings
- 18 Dec 2026
Key data as of 8 Nov 2026

Latest signals on FCEL
- Short Interest
FCEL short interest surges 17.5% in one day to 50.5% of float, highest level in recent history, as availability climbs to 289%—signaling easier shorting despite rising borrow costs.
- Cost to Borrow
FCEL cost to borrow surges 110% over one week to 0.43%, though remains historically low and accessible to short sellers rebuilding positions ahead of earnings.
FCEL news and analysis
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