SPY to SPX Converter

Instantly convert between SPY ETF and SPX Index values with our free, real-time tool

SPX to SPY

SPY to SPX

Understanding SPY and SPX

SPY vs SPX: Key Differences

Feature SPY (ETF) SPX (Index)
Tradability Can be bought/sold directly Cannot be traded (index only)
Options Settlement Physical delivery Cash settlement
Contract Size 100 shares of SPY $100 × SPX index value
Options Tax Treatment Standard capital gains 60/40 long/short term (Section 1256)
Options Expiration End of trading day Market open (AM) or close (PM)

Benefits of Using Our SPY/SPX Converter

How Traders Use SPY & SPX Together

Understanding when to use each instrument can enhance your trading strategy

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