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SPY vs QQQ

A side-by-side look at SPY and QQQ, updated throughout the trading session.

Performance, normalized

Z-scored closes: both paths on one scale, price levels aside.

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SPY vs QQQ: how they differ

State Street SPDR S&P 500 ETF (SPY) and Invesco QQQ Trust, Series 1 (QQQ) are both exchange-traded funds. SPY trades on AMEX and QQQ on NASDAQ.

SPY trades about 45.4 million shares a day on average, against 37.3 million for QQQ. QQQ has the higher beta (1.23 against 1.01 for SPY), meaning it has historically moved more with the broad market. Over the trailing twelve months, SPY paid $7.58 per share in distributions and QQQ paid $3.09 per share.

Figures as of October 25, 2026.

More comparisons

The chart Z-score-normalizes each closing series, computing (close − mean) ÷ standard deviation over the window, so both paths share one scale regardless of price level, and correlation is computed on daily returns. Figures update throughout the trading session. Nothing on this page is financial advice.