Westlake (WLK) Options Chain
NYSE: WLKIndustrialsMajor ChemicalsUSD
At close: Oct 9, 4:00 PM ET · Delayed 15 min
Expiration date
- Expiration
- Dec 17, 2027
- Days to expiration
- 431
- Share price
- $62.29
- Put/call ratio (volume)
- 12.00
- Expected move
- ±$0.528
- Open interest (C / P)
- 0 / 0
WLK options summary
The WLK options chain for the December 17, 2027 expiration lists 5 call and 6 put contracts, with 431 days until expiration. At-the-money implied volatility near the $60.00 strike is 0.8%, which implies the market expects a move of about ±$0.528 (0.8%) in Westlake stock by expiration. The most open interest sits at the $65.00 call (0 contracts) and the $45.00 put (0 contracts).
Summary generated from market data by MetaCap's automated system. Methodology
WLK options chain · December 17, 2027
| Calls | Puts | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Last | Bid | Ask | Strike | Bid | Ask | Last | |||||
| — | — | — | 45.00 | 0.00 | 0.00 | 3.50 | |||||
| — | — | — | 55.00 | 0.00 | 0.00 | 7.40 | |||||
| — | — | — | 60.00 | 0.00 | 0.00 | 9.50 | |||||
| 10.50 | 0.00 | 0.00 | 65.00 | 0.00 | 0.00 | 12.50 | |||||
| 13.30 | 0.00 | 0.00 | 70.00 | 0.00 | 0.00 | 15.00 | |||||
| 10.50 | 0.00 | 0.00 | 80.00 | 0.00 | 0.00 | 19.52 | |||||
| 4.00 | 0.00 | 0.00 | 90.00 | — | — | — | |||||
| 3.00 | 0.00 | 0.00 | 100.00 | — | — | — | |||||
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 WLK's implied volatility?
At-the-money implied volatility for WLK options expiring December 17, 2027 is about 0.8%, an annualized estimate of how much the market expects Westlake stock to move.
How many WLK option expiration dates are there?
WLK has 6 listed expiration dates, from Oct 16, 2026 to Dec 17, 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.