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QQQ vs SIGI: Correlation

Invesco QQQ Trust (QQQ) and Selective Insurance Group, Inc. (SIGI) show a near-zero relationship: their 3-year correlation of weekly returns is 0.08.

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

Correlation (3Y)
0.08
near-zero
Correlation (1Y)
0.02
last 12 months
Correlation (5Y)
0.18
long-run
Ann. covariance
37.3
%² · weekly, annualized

How correlated are QQQ and SIGI?

Over the past 3 years, QQQ and SIGI moved with a correlation of 0.08, which is near zero, meaning they move largely independently. Little has changed lately, as the 1-year reading of 0.02 lands near the 3-year figure. Over 5 years the correlation is 0.18, and the annualized covariance of weekly returns is 37.3 %².

Among the 4755 assets we track against QQQ, SIGI ranks #4004 by 3-year correlation. Over the last 12 months QQQ came out ahead by 7.2 percentage points (+26.3% against +19.1%).

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 SIGI: side by side

QQQ (Invesco QQQ Trust)SIGI (Selective Insurance Group, Inc.)
1-year return+26.3%+19.1%
5-year return+95.4%+18.8%
Volatility (ann.)19.6%25.4%
Beta vs S&P 5001.280.32
Max drawdown (3Y)-22.8%-30.5%
Market cap$5.5B
P/E (trailing)11.5
Dividend yield0.44%1.81%
Expense ratio0.18%
Assets under management$452.8B
Sector / categoryETF · US Growth & TechUS Listed
Higher yield: SIGI 1.81% vs 0.44%Smaller drawdown: QQQ -22.8% vs -30.5%Higher 5y return: QQQ +95.4% vs +18.8%

QQQ, Invesco's Large Growth fund, carries $452.8B under management, 104 holdings, a 0.18% expense ratio, a 0.44% trailing dividend yield.

-6%0%+29%2025-09-052026-08-27
Both assets over the last year, indexed to 100 at the starting week. QQQ · SIGI

Year-by-year returns

YearQQQSIGI
2022-32.6%+9.7%
2023+54.9%+13.7%
2024+25.6%-4.6%
2025+20.8%-8.8%
2026+17.7%+11.9%

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

Are QQQ and SIGI good diversifiers for each other?

By historical standards, yes. A correlation of 0.08 means the two rarely move for the same reasons.

FAQ

What is the correlation between QQQ and SIGI?

As of 2026-08-27, the correlation of weekly returns between QQQ and SIGI is 0.08 over 3 years, 0.02 over 1 year and 0.18 over 5 years.

Is SIGI a good diversifier for QQQ?

By historical standards, yes. A correlation of 0.08 means the two rarely move for the same reasons.

What does a correlation of 0.08 mean?

A reading of 0.08 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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QQQ vs SIGI: 3-year weekly correlation 0.08QQQ vs SIGI0.08

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Hubs: QQQ correlations · SIGI correlations