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SPY / QQQ

SPDR S&P 500 ETF and Invesco QQQ correlation 0.93

SPDR S&P 500 ETF and Invesco QQQ correlation is 0.93 over 90 ETF session closes, ending 2026-11-13. They move the same way almost tick for tick.

90-close correlation
0.93
30-close correlation
0.95
Observations
90
As of
2026-11-13
SPY vol
14.2%
QQQ vol
23.5%
Calendar
ETF session closes
30-close count
30

The 30-close correlation is 0.95, close to the 90-close print of 0.93. Both names are ETFs. The window is exchange sessions only.

SPY 90-close vol is 14.2%. QQQ is 23.5%. A 50/50 book of the two annualized vols would have realized about 18.5%, against 18.9% if you averaged the two vols with no diversification.

Open the correlation matrix with a live sample

How to read this print

  1. Read the 90-close correlation for SPY and QQQ.
  2. Compare it with the 30-close print to see if the pair tightened or broke.
  3. Use the two realized vols to judge whether a 50/50 mix actually diversifies.
  4. Open the correlation matrix if you want the whole book, not one pair.

FAQ

People also ask

0.93 over 90 ETF session closes, ending 2026-11-13. They move the same way almost tick for tick.

The 30-close correlation is 0.95, close to the 90-close print of 0.93.

Using the 90-close vols and this correlation, a 50/50 book would have realized about 18.5%. Compare that with holding either name alone.

This print uses ETF session closes and log-return correlation on the aligned window. A site that uses weekly returns, a different session calendar, or a longer sample will not match it. The method is on this page.

Related

A correlation is not a hedge until you hold both.

This page is the market path. Thrive is the book you actually held, so you can see whether the hedge was real.

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