Showing results for CENX, 2026-11-20(m), calls & puts
CENX Option Chain FAQ
What is an option chain?
An option chain lists every call and put for a stock, with prices, volume, open interest, and Greeks for each strike and expiration date.
How many CENX option contracts are listed?
As of Nov 4, 2026, Century Aluminum Co (CENX) had 308 listed option contracts across 7 expiration dates, from Nov 20, 2026 to Jan 19, 2029.
When do CENX options expire?
Century Aluminum had 7 expiration dates as of Nov 4, 2026, 1 of them weekly. The nearest was Nov 20, 2026 and the furthest Jan 19, 2029.
How actively are CENX options traded?
1.33K Century Aluminum option contracts traded on Nov 4, 2026, and open interest was 64.13K contracts. Over the past 30 days, volume averaged 2.31K contracts per day. The CENX option volume chart shows volume by strike and expiration date.
Is CENX implied volatility high right now?
Century Aluminum IV rank is 12, so its 30-day implied volatility of 74.1% is near the bottom of its one-year range. Over the past year it ranged from 55.0% on Sep 23, 2026 to 211.9% on Jul 17, 2026. See the CENX implied volatility history for a longer view.
What is Century Aluminum Co?
Century Aluminum Co produces primary aluminum standard grade and value-added products.