Energy Recovery Inc. (ERII) Options Analysis - Options Chain, Volume & Implied Volatility - Stocknear
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    Energy Recovery Inc.

    NASDAQ: ERII · Real-Time Price · USD
    15.83
    -0.04 (-0.25%)
    At close: Oct 03, 2025, 3:25 PM

    ERII Option Overview

    Overview for all option chains of ERII. As of October 03, 2025, ERII options have an IV of 154.54% and an IV rank of 90.82%. The volume is 67 contracts, which is 50.76% of average daily volume of 132 contracts. The volume put-call ratio is 0.14, indicating a bullish sentiment in the market.

    Implied Volatility

    Implied Volatility (30d)
    154.54%
    IV Rank
    90.82%
    Historical Volatility
    24.57%
    IV Low
    66.68% on Mar 31, 2025
    IV High
    163.42% on Oct 02, 2025

    Open Interest (OI)

    Today's Open Interest
    2,641
    Put-Call Ratio
    0.46
    Put Open Interest
    835
    Call Open Interest
    1,806
    Open Interest Avg (30-day)
    2,055
    Today vs Open Interest Avg (30-day)
    128.52%

    Option Volume

    Today's Volume
    67
    Put-Call Ratio
    0.14
    Put Volume
    8
    Call Volume
    59
    Volume Avg (30-day)
    132
    Today vs Volume Avg (30-day)
    50.76%

    Option Chain Statistics

    This table provides a comprehensive overview of all ERII 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
    Oct 17, 2025 0 0 0 389 243 0.62 154.54% 15
    Nov 21, 2025 29 8 0.28 819 501 0.61 101.6% 15
    Jan 16, 2026 0 0 0 0 0 0 12.41% 50
    Feb 20, 2026 0 0 0 428 83 0.19 61.53% 12.5
    May 15, 2026 30 0 0 170 8 0.05 56.5% 15

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