Westlake Chemical Partners (WLKP) Options Chain
NYSE: WLKPIndustrialsMajor ChemicalsUSD
At close: Oct 8, 4:00 PM ET · Delayed 15 min
Expiration date
- Expiration
- Oct 16, 2026
- Days to expiration
- 8
- Share price
- $21.41
- Put/call ratio (OI)
- 1.14
- Put/call ratio (volume)
- 0.00
- Expected move
- ±$2.72
- Open interest (C / P)
- 7 / 8
WLKP options summary
The WLKP options chain for the October 16, 2026 expiration lists 1 call and 1 put contracts, with 8 days until expiration. Open interest stands at 7 calls and 8 puts, a put/call ratio of 1.14, which is fairly balanced between calls and puts. At-the-money implied volatility near the $22.50 strike is 85.8%, which implies the market expects a move of about ±$2.72 (12.7%) in Westlake Chemical Partners stock by expiration.
The most open interest sits at the $22.50 call (7 contracts) and the $22.50 put (8 contracts).
Summary generated from market data by MetaCap's automated system. Methodology
WLKP options chain · October 16, 2026
| Calls | Puts | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Last | Bid | Ask | Strike | Bid | Ask | Last | |||||
| 0.15 | 0.00 | 0.15 | 22.50 | 0.00 | 4.60 | 0.80 | |||||
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 WLKP put/call ratio?
For the October 16, 2026 expiration, the WLKP put/call ratio based on open interest is 1.14 (8 puts vs 7 calls), and 0.00 based on today's volume. A ratio above 1 means more puts than calls.
What is WLKP's implied volatility?
At-the-money implied volatility for WLKP options expiring October 16, 2026 is about 85.8%, an annualized estimate of how much the market expects Westlake Chemical Partners stock to move.
How many WLKP option expiration dates are there?
WLKP has 4 listed expiration dates, from Oct 16, 2026 to May 21, 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.