SPY vs IWM

    Market data as of 2026-10-27

    The short answer

    Autonium's holdings-level read currently rates SPY and IWM the same, with market data as of 2026-10-27.

    SPY

    SPDR S&P 500 ETF Trust

    Large-cap US equities across all eleven sectors.

    Average holding score
    —/100
    Read
    —
    Bullish / neutral / bearish
    0 / 0 / 0
    Holdings measured
    0 of 12
    Full SPY breakdown

    IWM

    iShares Russell 2000 ETF

    US small caps — the domestic, rate-sensitive end of the market.

    Average holding score
    12/100
    Read
    Bearish
    Bullish / neutral / bearish
    0 / 1 / 9
    Holdings measured
    10 of 10
    Full IWM breakdown

    Where they overlap

    Autonium's covered holdings for these two funds do not overlap.

    Strongest holdings on each side

    See what is driving each holding

    Autonium scores every name inside these funds and tells you when the read turns.

    Type a ticker

    Autonium publishes research, not recommendations. Scores, factors and written reads describe historical and current data and are not buy or sell advice. Not financial advice. Market data is refreshed on a schedule and may lag. See our methodology and disclosures.