Energy Fuels Inc. (EFR) short interest & options flow
TSXEnergy Fuels heads into its November 5 earnings release with short interest at a one-month high, borrow availability completely exhausted, and costs to borrow doubling from their September levels. The positioning story here is unusually stark. Short interest has climbed 45% over the past month to 6.5% of the free float, with the past week alone adding nearly 10% to the short…
EFR SI utilization hits 100%, highest in 52 weeks; availability at zero as short interest rises 45% in one month.
- Market cap
- $1.79B
- Next earnings
- 5 Nov 2026
Key data as of 5 Nov 2026

Latest signals on EFR
- Utilization
EFR SI utilization hits 100%, highest in 52 weeks; availability at zero as short interest rises 45% in one month.
2 Utilization updates in 30 days
- Short Interest
EFR short interest surges 22.8% in one week to 5.7% of float; cost to borrow jumps 42% to 1.44%, signaling tightening supply as shares available near zero.
2 Short Interest updates in 30 days
EFR news and analysis
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