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    SPDR S&P Biotech ETF

    AMEX: XBI · Real-Time Price · USD
    91.48
    1.56 (1.73%)
    At close: Aug 22, 2025, 11:00 AM

    XBI Option Overview

    Overview for all option chains of XBI. As of August 22, 2025, XBI options have an IV of 26.77% and an IV rank of n/a. The volume is 39,091 contracts, which is 217.66% of average daily volume of 17,960 contracts. The volume put-call ratio is 1.65, indicating a bearish sentiment in the market.

    Implied Volatility

    Implied Volatility (30d)
    26.77%
    IV Rank
    < 0.01%
    Historical Volatility
    20.76%
    IV Low
    27.86% on Oct 18, 2024
    IV High
    500% on Jun 25, 2025

    Open Interest (OI)

    Today's Open Interest
    620,134
    Put-Call Ratio
    1.16
    Put Open Interest
    333,096
    Call Open Interest
    287,038
    Open Interest Avg (30-day)
    495,009
    Today vs Open Interest Avg (30-day)
    125.28%

    Option Volume

    Today's Volume
    39,091
    Put-Call Ratio
    1.65
    Put Volume
    24,320
    Call Volume
    14,771
    Volume Avg (30-day)
    17,960
    Today vs Volume Avg (30-day)
    217.66%

    Option Chain Statistics

    This table provides a comprehensive overview of all XBI 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 22, 2025 2,929 6,181 2.11 12,852 14,765 1.15 137.33% 88
    Aug 29, 2025 3,452 4,871 1.41 12,821 19,846 1.55 50.82% 88
    Sep 05, 2025 1,134 32 0.03 5,432 1,098 0.2 25.2% 85
    Sep 12, 2025 51 2,511 49.24 726 5,598 7.71 24.8% 88.5
    Sep 19, 2025 1,088 4,400 4.04 70,938 76,468 1.08 26.77% 84
    Sep 26, 2025 7 3 0.43 1,608 505 0.31 25.65% 89
    Oct 03, 2025 2 2 1 0 0 0 20.34% 83
    Oct 17, 2025 3,130 5,256 1.68 33,747 25,907 0.77 25.91% 85
    Nov 21, 2025 114 57 0.5 18,687 8,046 0.43 26.38% 85
    Dec 19, 2025 603 977 1.62 22,887 50,401 2.2 24.89% 89
    Jan 16, 2026 61 18 0.3 62,498 65,639 1.05 26.05% 92
    Feb 20, 2026 45 10 0.22 1,206 1,989 1.65 25.57% 89
    Mar 20, 2026 0 0 0 1,420 3,783 2.66 25.59% 90
    Jun 18, 2026 5 2 0.4 9,929 18,135 1.83 26.8% 85
    Dec 18, 2026 2 0 0 2,934 13,038 4.44 26.37% 92
    Jan 15, 2027 1 0 0 7,378 22,153 3 26.64% 87
    Dec 17, 2027 2,147 0 0 21,975 5,725 0.26 27.51% 85

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