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CMS Energy (CMS) options traded 27 contracts on October 27, 2026 (22 calls and 5 puts, a put/call ratio of 0.23), compared with a 30-day average of 154. Options price a move of about ±0.8% by the nearest expiration.

Key numbers
  • 30-day implied volatility (IV30): 18.6%
  • Implied move by the nearest expiration: ±0.8%
  • Option volume: 27 contracts (22 calls, 5 puts); 30-day average 154

Data as of October 27, 2026.

CMS Option Breakdown

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A breakdown of key statistics for each option expiration listed for CMS. View implied volatility, volatility skew, volume, open interest, straddle premiums, and liquidity -- including bid/ask spread and NBBO bid/ask sizes. Includes links to the option chain, as well as numerous detailed charts.

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