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QQQ vs STRA: Correlation

Measured on weekly returns over the past three years, Invesco QQQ Trust (QQQ) and Strategic Education, Inc. (STRA) carry a correlation of 0.31, a moderate link.

Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology

Correlation (3Y)
0.31
moderate
Correlation (1Y)
0.10
last 12 months
Correlation (5Y)
0.33
long-run
Ann. covariance
210.8
%² · weekly, annualized

How correlated are QQQ and STRA?

Across a 3-year window, the weekly returns of QQQ and STRA correlate at 0.31, moderate. Lately the two have drifted apart, with the 1-year correlation at 0.10 versus 0.31 over 3 years. Stretching to 5 years gives 0.33, with an annualized covariance of 210.8 %².

Within QQQ's tracked universe of 4755 assets, STRA comes in at #1440 by 3-year correlation. Correlation aside, the last 12 months split them widely, with QQQ ahead by 18.2 points (+26.3% versus +8.1%). One caveat on sizing: STRA is 1.8 times as volatile as the other leg, so an equal-dollar split is far from equal-risk.

How is this computed?

Pearson correlation on weekly returns: ρ(A,B) = cov(rA, rB) / (σA · σB), over windows of 52, 156 and 260 weeks. Covariance is annualized (×52) and expressed in %². Full definitions on the methodology page.

QQQ vs STRA: side by side

QQQ (Invesco QQQ Trust)STRA (Strategic Education, Inc.)
1-year return+26.3%+8.1%
5-year return+95.4%+27.6%
Volatility (ann.)19.6%34.7%
Beta vs S&P 5001.280.80
Max drawdown (3Y)-22.8%-38.1%
Market cap$1.9B
P/E (trailing)14.2
Dividend yield0.44%2.81%
Expense ratio0.18%
Assets under management$452.8B
Sector / categoryETF · US Growth & TechUS Listed
Higher yield: STRA 2.81% vs 0.44%Smaller drawdown: QQQ -22.8% vs -38.1%Higher 5y return: QQQ +95.4% vs +27.6%

QQQ is a Large Growth fund from Invesco: $452.8B under management, 104 holdings, a 0.18% expense ratio, a 0.44% trailing dividend yield.

-9%0%+29%2025-09-052026-08-27
Price paths over the last 12 months, both indexed to 100 at the start (weekly closes). QQQ · STRA

Year-by-year returns

YearQQQSTRA
2022-32.6%+40.4%
2023+54.9%+21.4%
2024+25.6%+3.5%
2025+20.8%-11.6%
2026+17.7%+8.3%

Calendar-year price returns; the current year is year-to-date as of the data date above.

Are QQQ and STRA good diversifiers for each other?

A fair diversifier. At 0.31, enough of each asset's movement is its own that the pair has smoothed outcomes historically.

FAQ

What is the correlation between QQQ and STRA?

Using weekly returns as of 2026-08-27: 0.31 over 3 years, with 0.10 over the last year and 0.33 over 5 years.

Is STRA a good diversifier for QQQ?

A fair diversifier. At 0.31, enough of each asset's movement is its own that the pair has smoothed outcomes historically.

What does a correlation of 0.31 mean?

A reading of 0.31 sits on a scale from −1 (opposite moves) through 0 (unrelated) to +1 (identical moves). Correlation captures direction, not magnitude or performance.

Use this data

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$ curl https://www.pairbook.io/api/v1/pairs/qqq-vs-stra.json

QQQ vs STRA: 3-year weekly correlation 0.31QQQ vs STRA0.31

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Hubs: QQQ correlations · STRA correlations