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APEI vs QQQ: Correlation

How closely do American Public Education, Inc. (APEI) and Invesco QQQ Trust (QQQ) trade together? Their weekly returns over three years give a correlation of 0.17, which is weak.

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

Correlation (3Y)
0.17
weak
Correlation (1Y)
0.01
last 12 months
Correlation (5Y)
0.11
long-run
Ann. covariance
165.2
%² · weekly, annualized

How correlated are APEI and QQQ?

On 3 years of weekly data the APEI/QQQ correlation comes out at 0.17, weak. Lately the two have drifted apart, with the 1-year correlation at 0.01 versus 0.17 over 3 years. The 5-year figure is 0.11, and annualized covariance runs at 165.2 %².

QQQ is close to the least connected end of APEI's tracked universe, ranking #9 of 12. Correlation aside, the last 12 months split them widely, with APEI ahead by 24.2 points (+50.5% versus +26.3%). Risk is not evenly split, since APEI carries 2.6 times the volatility of the other side.

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.

APEI vs QQQ: side by side

APEI (American Public Education, Inc.)QQQ (Invesco QQQ Trust)
1-year return+50.5%+26.3%
5-year return+76.0%+95.4%
Volatility (ann.)50.5%19.6%
Beta vs S&P 5000.751.28
Max drawdown (3Y)-40.5%-22.8%
Market cap$0.8B
P/E (trailing)18.6
Dividend yield0.00%0.44%
Expense ratio0.18%
Assets under management$452.8B
Sector / categoryUS ListedETF · US Growth & Tech
Higher yield: QQQ 0.44% vs 0.00%Smaller drawdown: QQQ -22.8% vs -40.5%Higher 5y return: QQQ +95.4% vs +76.0%

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.

-2%0%+92%2025-09-052026-08-27
Twelve months of weekly closes, each series rebased to 100. APEI · QQQ

Year-by-year returns

YearAPEIQQQ
2022-44.8%-32.6%
2023-21.5%+54.9%
2024+123.5%+25.6%
2025+75.2%+20.8%
2026+22.0%+17.7%

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

Are APEI and QQQ good diversifiers for each other?

Yes: at 0.17, the two have gone their own ways historically, which is what genuine diversification looks like.

FAQ

What is the correlation between APEI and QQQ?

As of 2026-08-27, the correlation of weekly returns between APEI and QQQ is 0.17 over 3 years, 0.01 over 1 year and 0.11 over 5 years.

Is QQQ a good diversifier for APEI?

Yes: at 0.17, the two have gone their own ways historically, which is what genuine diversification looks like.

What does a correlation of 0.17 mean?

A reading of 0.17 sits on a scale from −1 (opposite moves) through 0 (unrelated) to +1 (identical moves). Correlation captures direction, not magnitude or performance.

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APEI vs QQQ: 3-year weekly correlation 0.17APEI vs QQQ0.17

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Hubs: APEI correlations · QQQ correlations