Century Aluminum Co (CENX) options traded 1.33K contracts on Nov 4, 2026, below the 20-day average of 2.54K. Calls made up 60.8% of the volume, a put/call ratio of 0.65.
Option Volume by Strike
Showing results for CENX, 2026-11-20(m), calls & puts
Option Volume Stats
Showing results for CENX, 2026-11-20(m), calls & puts
| Call Volume | |
|---|---|
| Put Volume | |
| Volume Total | |
| Put-Call Volume Ratio |
Highest Volume Options
Showing results for CENX, 2026-11-20(m), calls & puts
Option Volume Total by Expiry
Showing results for CENX, 2026-11-20(m), calls & puts. View all expiries
Option Volume History
Showing daily totals for CENX, all expirations, calls & puts. View full history
CENX Option Volume FAQ
What is option volume?
Option volume is the number of option contracts traded during a session. It resets at the start of each trading day.
How many CENX options traded on Nov 4, 2026?
809 calls and 522 puts traded on Nov 4, 2026, 1.33K contracts in total.
Is CENX option volume higher than usual?
Volume on Nov 4, 2026 was below the 20-day average of 2.54K contracts. The busiest of the last 20 sessions was Oct 21, 2026, with 13.8K contracts. The 30-day average is 2.31K. See the CENX option volume history for a longer view.
What is the CENX put/call volume ratio?
The Century Aluminum put/call volume ratio was 0.65 on Nov 4, 2026. Over the last 20 sessions it averaged 1.06, so puts outnumber calls over that stretch.
What is Century Aluminum Co?
Century Aluminum Co produces primary aluminum standard grade and value-added products.