Century Aluminum (CENX)
NASDAQ: CENX
· Real-Time Price · USD
23.31
-0.25 (-1.06%)
At close: Aug 15, 2025, 12:25 PM
CENX Option Overview
Overview for all option chains of CENX. As of August 15, 2025, CENX options have an IV of 318.6% and an IV rank of 559.85%. The volume is 430 contracts, which is 16.35% of average daily volume of 2,630 contracts. The volume put-call ratio is 0.35, indicating a bullish sentiment in the market.
Implied Volatility
Implied Volatility (30d)
318.6%IV Rank
559.85%Historical Volatility
48.25%IV Low
59.14% on Jan 30, 2025IV High
105.49% on Aug 13, 2025Open Interest (OI)
Today's Open Interest
75,199Put-Call Ratio
0.82Put Open Interest
33,862Call Open Interest
41,337Open Interest Avg (30-day)
59,423Today vs Open Interest Avg (30-day)
126.55%Option Volume
Today's Volume
430Put-Call Ratio
0.35Put Volume
112Call Volume
318Volume Avg (30-day)
2,630Today vs Volume Avg (30-day)
16.35%Option Chain Statistics
This table provides a comprehensive overview of all CENX options grouped by their expiration dates.
| Expiration | Call Vol | Put Vol | P/C Vol | Call OI | Put OI | P/C OI | Implied Volatility | Max Pain |
| Aug 15, 2025 | 64 | 10 | 0.16 | 9,489 | 3,595 | 0.38 | 318.6% | 21 |
| Sep 19, 2025 | 189 | 88 | 0.47 | 7,084 | 12,667 | 1.79 | 60.04% | 21 |
| Oct 17, 2025 | 0 | 0 | 0 | 0 | 0 | 0 | 55.16% | 15 |
| Dec 19, 2025 | 45 | 8 | 0.18 | 5,046 | 10,736 | 2.13 | 58.35% | 20 |
| Jan 16, 2026 | 12 | 6 | 0.5 | 18,405 | 6,258 | 0.34 | 57.17% | 17 |
| Mar 20, 2026 | 1 | 0 | 0 | 493 | 266 | 0.54 | 57.48% | 20 |
| Jan 15, 2027 | 7 | 0 | 0 | 820 | 340 | 0.41 | 58.41% | 12 |