Westlake (WLK) options traded 135 contracts on October 23, 2026 (31 calls and 104 puts, a put/call ratio of 3.35), compared with a 30-day average of 115. Options price a move of about ±3.1% by the nearest expiration.
Data as of October 23, 2026.
A breakdown of key statistics for each option expiration listed for WLK. View implied volatility, volatility skew, volume, open interest, straddle premiums, and liquidity -- including bid/ask spread and NBBO bid/ask sizes. Includes links to the option chain, as well as numerous detailed charts.
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