Core Laboratories (CLB) Options Chain
NYSE: CLBEnergyOilfield Services/EquipmentUSD
At close: Oct 9, 4:00 PM ET · Delayed 15 min
Expiration date
- Expiration
- Oct 16, 2026
- Days to expiration
- 7
- Share price
- $10.09
- Put/call ratio (OI)
- 0.20
- Put/call ratio (volume)
- 0.15
- Expected move
- ±$1.00
- Open interest (C / P)
- 111 / 22
CLB options summary
The CLB options chain for the October 16, 2026 expiration lists 3 call and 3 put contracts, with 7 days until expiration. Open interest stands at 111 calls and 22 puts, a put/call ratio of 0.20, which is tilted bullish, with calls outnumbering puts. At-the-money implied volatility near the $10.00 strike is 71.9%, which implies the market expects a move of about ±$1.00 (10.0%) in Core Laboratories stock by expiration.
The most open interest sits at the $12.50 call (100 contracts) and the $10.00 put (22 contracts).
Summary generated from market data by MetaCap's automated system. Methodology
CLB options chain · October 16, 2026
| Calls | Puts | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Last | Bid | Ask | Strike | Bid | Ask | Last | |||||
| 2.74 | 2.20 | 3.40 | 7.50 | — | — | — | |||||
| 0.41 | 0.05 | 0.80 | 10.00 | 0.00 | 0.75 | 0.43 | |||||
| 0.05 | 0.00 | 0.05 | 12.50 | 2.00 | 2.70 | 2.75 | |||||
| — | — | — | 15.00 | 4.20 | 5.40 | 4.88 | |||||
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 October 16, 2026 expiration, the CLB put/call ratio based on open interest is 0.20 (22 puts vs 111 calls), and 0.15 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 October 16, 2026 is about 71.9%, 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.