Core Laboratories (CLB) Options Chain
NYSE: CLBEnergyOilfield Services/EquipmentUSD
At close: Oct 9, 4:00 PM ET · Delayed 15 min
Expiration date
- Expiration
- Dec 18, 2026
- Days to expiration
- 68
- Share price
- $10.09
- Put/call ratio (OI)
- 0.13
- Put/call ratio (volume)
- 0.16
- Expected move
- ±$2.54
- Open interest (C / P)
- 831 / 104
CLB options summary
The CLB options chain for the December 18, 2026 expiration lists 11 call and 5 put contracts, with 68 days until expiration. Open interest stands at 831 calls and 104 puts, a put/call ratio of 0.13, which is tilted bullish, with calls outnumbering puts. At-the-money implied volatility near the $10.00 strike is 58.3%, which implies the market expects a move of about ±$2.54 (25.1%) in Core Laboratories stock by expiration.
The most open interest sits at the $12.50 call (348 contracts) and the $10.00 put (83 contracts).
Summary generated from market data by MetaCap's automated system. Methodology
CLB options chain · December 18, 2026
| Calls | Puts | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Last | Bid | Ask | Strike | Bid | Ask | Last | |||||
| 11.56 | 0.00 | 0.00 | 2.50 | — | — | — | |||||
| 5.29 | 4.70 | 5.90 | 5.00 | — | — | — | |||||
| 2.94 | 2.30 | 3.50 | 7.50 | 0.00 | 0.75 | 0.40 | |||||
| 0.95 | 0.55 | 1.20 | 10.00 | 0.70 | 0.95 | 0.80 | |||||
| 0.30 | 0.00 | 0.40 | 12.50 | 2.10 | 3.30 | 1.05 | |||||
| 0.42 | 0.00 | 0.30 | 15.00 | 0.00 | 0.00 | 4.21 | |||||
| 0.40 | 0.00 | 0.00 | 17.50 | 3.30 | 7.10 | 7.08 | |||||
| 0.05 | 0.00 | 0.00 | 20.00 | — | — | — | |||||
| 0.21 | 0.00 | 1.90 | 22.50 | — | — | — | |||||
| 0.19 | 0.00 | 1.85 | 25.00 | — | — | — | |||||
| 0.05 | 0.00 | 0.75 | 30.00 | — | — | — | |||||
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 CLB put/call ratio?
For the December 18, 2026 expiration, the CLB put/call ratio based on open interest is 0.13 (104 puts vs 831 calls), and 0.16 based on today's volume. A ratio above 1 means more puts than calls.
What is CLB's implied volatility?
At-the-money implied volatility for CLB options expiring December 18, 2026 is about 58.3%, an annualized estimate of how much the market expects Core Laboratories stock to move.
How many CLB option expiration dates are there?
CLB 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.