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MRCY vs QQQ: Correlation

How closely do Mercury Systems Inc (MRCY) and Invesco QQQ Trust (QQQ) trade together? Their weekly returns over three years give a correlation of 0.33, which is moderate.

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

Correlation (3Y)
0.33
moderate
Correlation (1Y)
0.52
last 12 months
Correlation (5Y)
0.30
long-run
Ann. covariance
319.7
%² · weekly, annualized

How correlated are MRCY and QQQ?

On 3 years of weekly data the MRCY/QQQ correlation comes out at 0.33, moderate. The past 12 months show a tighter link (0.52) than the 3-year average (0.33). The 5-year figure is 0.30, and annualized covariance runs at 319.7 %².

QQQ is close to the least connected end of MRCY's tracked universe, ranking #12 of 16. Over the last 12 months MRCY came out ahead by 6.5 percentage points (+32.8% against +26.3%). Note the risk asymmetry: MRCY runs 2.5 times the annualized volatility of the other leg, so equal-weighting the two is not an equal-risk position.

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.

MRCY vs QQQ: side by side

MRCY (Mercury Systems Inc)QQQ (Invesco QQQ Trust)
1-year return+32.8%+26.3%
5-year return+79.4%+95.4%
Volatility (ann.)48.8%19.6%
Beta vs S&P 5001.231.28
Max drawdown (3Y)-35.0%-22.8%
Market cap$5.4B
P/E (trailing)
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 -35.0%Higher 5y return: QQQ +95.4% vs +79.4%

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.

-3%0%+83%2025-09-052026-08-27
Twelve months of weekly closes, each series rebased to 100. MRCY · QQQ

Year-by-year returns

YearMRCYQQQ
2022-18.7%-32.6%
2023-18.3%+54.9%
2024+14.8%+25.6%
2025+73.8%+20.8%
2026+23.9%+17.7%

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

Are MRCY and QQQ good diversifiers for each other?

A fair diversifier. At 0.33, enough of each asset's movement is its own that the pair has smoothed outcomes historically.

FAQ

What is the correlation between MRCY and QQQ?

As of 2026-08-27, the correlation of weekly returns between MRCY and QQQ is 0.33 over 3 years, 0.52 over 1 year and 0.30 over 5 years.

Is QQQ a good diversifier for MRCY?

A fair diversifier. At 0.33, enough of each asset's movement is its own that the pair has smoothed outcomes historically.

What does a correlation of 0.33 mean?

On the −1 to +1 scale, 0.33 describes how much the two returns move together: +1 is lockstep, 0 is independence, negative values mean opposite directions. It says nothing about which performed better.

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MRCY vs QQQ: 3-year weekly correlation 0.33MRCY vs QQQ0.33

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Hubs: MRCY correlations · QQQ correlations