Century Aluminum (CENX) Options Analysis - Options Chain, Volume & Implied Volatility - Stocknear
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    Century Aluminum

    NASDAQ: CENX · Real-Time Price · USD
    21.74
    0.01 (0.05%)
    At close: Sep 09, 2025, 3:59 PM
    21.80
    0.28%
    After-hours: Sep 09, 2025, 06:33 PM EDT

    CENX Option Overview

    Overview for all option chains of CENX. As of September 09, 2025, CENX options have an IV of 130.17% and an IV rank of 209.6%. The volume is 533 contracts, which is 76.36% of average daily volume of 698 contracts. The volume put-call ratio is 0.54, indicating a bullish sentiment in the market.

    Implied Volatility

    Implied Volatility (30d)
    130.17%
    IV Rank
    209.6%
    Historical Volatility
    36.03%
    IV Low
    59.14% on Jan 30, 2025
    IV High
    93.03% on Sep 08, 2025

    Open Interest (OI)

    Today's Open Interest
    67,802
    Put-Call Ratio
    0.94
    Put Open Interest
    32,813
    Call Open Interest
    34,989
    Open Interest Avg (30-day)
    65,091
    Today vs Open Interest Avg (30-day)
    104.16%

    Option Volume

    Today's Volume
    533
    Put-Call Ratio
    0.54
    Put Volume
    186
    Call Volume
    347
    Volume Avg (30-day)
    698
    Today vs Volume Avg (30-day)
    76.36%

    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
    Sep 19, 2025 180 153 0.85 7,637 12,889 1.69 130.17% 21
    Oct 17, 2025 48 3 0.06 1,308 433 0.33 57.17% 22
    Dec 19, 2025 26 0 0 6,007 11,434 1.9 58.52% 20
    Jan 16, 2026 57 26 0.46 18,399 7,429 0.4 57.75% 20
    Mar 20, 2026 4 4 1 652 282 0.43 56.62% 20
    Jan 15, 2027 32 0 0 986 346 0.35 56.4% 12

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