Comp En De Mn Cemig (CIG) Options Chain
NYSE: CIGUtilitiesElectric Utilities: CentralUSD
At close: Oct 8, 4:00 PM ET · Delayed 15 min
Expiration date
- Expiration
- Oct 16, 2026
- Days to expiration
- 8
- Share price
- $2.36
- Put/call ratio (OI)
- 0.01
- Put/call ratio (volume)
- 0.01
- ATM implied volatility
- 124.2%
- Expected move
- ±$0.434
- Open interest (C / P)
- 386 / 3
CIG options summary
The CIG options chain for the October 16, 2026 expiration lists 4 call and 2 put contracts, with 8 days until expiration. Open interest stands at 386 calls and 3 puts, a put/call ratio of 0.01, which is tilted bullish, with calls outnumbering puts. At-the-money implied volatility near the $2.50 strike is 124.2%, which implies the market expects a move of about ±$0.434 (18.4%) in Comp En De Mn Cemig stock by expiration.
The most open interest sits at the $2.00 call (308 contracts) and the $2.00 put (2 contracts).
Summary generated from market data by MetaCap's automated system. Methodology
CIG options chain · October 16, 2026
| Calls | Puts | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Last | Bid | Ask | Strike | Bid | Ask | Last | |||||
| 0.96 | 0.95 | 1.70 | 1.00 | — | — | — | |||||
| 0.92 | 0.45 | 1.20 | 1.50 | — | — | — | |||||
| 0.35 | 0.30 | 0.45 | 2.00 | 0.00 | 0.10 | 0.08 | |||||
| 0.03 | 0.00 | 0.05 | 2.50 | 0.00 | 0.75 | 0.45 | |||||
In-the-money callsIn-the-money puts. IV = implied volatility, OI = open interest (contracts). Each contract covers 100 shares. Quotes delayed at least 15 minutes.
Frequently asked questions
What is the CIG put/call ratio?
For the October 16, 2026 expiration, the CIG put/call ratio based on open interest is 0.01 (3 puts vs 386 calls), and 0.01 based on today's volume. A ratio above 1 means more puts than calls.
What is CIG's implied volatility?
At-the-money implied volatility for CIG options expiring October 16, 2026 is about 124.2%, an annualized estimate of how much the market expects Comp En De Mn Cemig stock to move.
How many CIG option expiration dates are there?
CIG has 4 listed expiration dates, from Oct 16, 2026 to Mar 19, 2027.
What does "in the money" mean?
A call is in the money when the strike price is below the current share price; a put is in the money when the strike is above it. In-the-money contracts have intrinsic value and are shaded in the table.