Rambus Inc. (RMBS) short interest & options flow
NASDAQRMBS has been the clear laggard among its closest semiconductor peers this week. The stock fell 7.7% over the past five sessions to $85.73, while the median move across its peer group was roughly flat. MPWR gained 3.2%, CEVA added 1.9%, and POWI rose 7.7%. Even names that sold off, like LSCC and MTSI, gave back…
RMBS put-call ratio surges to 0.6292, highest in 4.1 standard deviations above its 20-day mean of 0.556, signaling extreme put-buying demand ahead of earnings on October 26.
- Market cap
- $8.65B
- Next earnings
- 1 Feb 2027
Key data as of 10 Nov 2026

Latest signals on RMBS
- Options
RMBS put-call ratio surges to 0.6292, highest in 4.1 standard deviations above its 20-day mean of 0.556, signaling extreme put-buying demand ahead of earnings on October 26.
- Short Interest
RMBS short interest falls 21.6% in one week to 4.2% of float, with cost to borrow rising 85% to 0.54%.
RMBS news and analysis
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