CMS Energy Corporation (CMS) short interest & options flow
NYSECMS short interest surged 17% in September, hitting 6.3% of free float, as the utility posted its largest gross capacity factor on record for the month per EPA power generation data at 51.99%.
- Market cap
- $21.95B
- Next earnings
- 4 Feb 2027
Key data as of 4 Nov 2026

Latest signals on CMS
- Alt Data
CMS short interest surged 17% in September, hitting 6.3% of free float, as the utility posted its largest gross capacity factor on record for the month per EPA power generation data at 51.99%.
- Options
CMS options put/call ratio surges to 0.2353, 4.3 standard deviations above its 20-day mean of 0.0989, signaling acute put buying relative to calls.
CMS news and analysis
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