ERock, Inc. (EROC) short interest & options flow
NYSEEROC enters the final week of September with a striking contradiction at its core: short sellers have roughly doubled their positions in a month, yet an activist investor holding a 78% Schedule 13D stake sits at the top of the register. Short interest is the week's most urgent signal. Bears have piled in aggressively — shares short have more than doubled over the past month, up…
EROC short interest surges 36% in one week to 12.8M shares, now at highest level since early September amid rising borrow costs.
- Market cap
- $397M
- Next earnings
- 12 Nov 2026
Key data as of 10 Nov 2026

Latest signals on EROC
- Short Interest
EROC short interest surges 36% in one week to 12.8M shares, now at highest level since early September amid rising borrow costs.
- Cost to Borrow
EROC cost to borrow surges to 3.27% — up 147% in one week as short interest climbs to 8.7M shares.
EROC news and analysis
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