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BLFS vs QQQ: Correlation

Measured on weekly returns over the past three years, BioLife Solutions, Inc. (BLFS) and Invesco QQQ Trust (QQQ) carry a correlation of 0.41, a moderate link.

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

Correlation (3Y)
0.41
moderate
Correlation (1Y)
0.15
last 12 months
Correlation (5Y)
0.53
long-run
Ann. covariance
398.0
%² · weekly, annualized

How correlated are BLFS and QQQ?

Over the past 3 years, BLFS and QQQ moved with a correlation of 0.41, which is moderate. The past 12 months show a weaker link (0.15) than the 3-year average (0.41). Over 5 years the correlation is 0.53, and the annualized covariance of weekly returns is 398.0 %².

Among the 15 assets we track against BLFS, QQQ sits near the bottom by co-movement, at rank #11. The last year tells two different stories: BLFS led by 20.0 percentage points, +46.3% for BLFS against +26.3% for QQQ. Risk is not evenly split, since BLFS 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.

BLFS vs QQQ: side by side

BLFS (BioLife Solutions, Inc.)QQQ (Invesco QQQ Trust)
1-year return+46.3%+26.3%
5-year return-36.2%+95.4%
Volatility (ann.)50.1%19.6%
Beta vs S&P 5001.661.28
Max drawdown (3Y)-37.0%-22.8%
Market cap$1.8B
P/E (trailing)37.2
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 -37.0%Higher 5y return: QQQ +95.4% vs -36.2%

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.

-31%0%+41%2025-09-052026-08-27
Twelve months of weekly closes, each series rebased to 100. BLFS · QQQ

Year-by-year returns

YearBLFSQQQ
2022-51.2%-32.6%
2023-10.7%+54.9%
2024+59.8%+25.6%
2025-6.9%+20.8%
2026+53.8%+17.7%

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

Are BLFS and QQQ good diversifiers for each other?

Yes, to a useful degree: a correlation of 0.41 leaves real independence between the two, which historically damped combined volatility.

FAQ

What is the correlation between BLFS and QQQ?

Using weekly returns as of 2026-08-27: 0.41 over 3 years, with 0.15 over the last year and 0.53 over 5 years.

Is QQQ a good diversifier for BLFS?

Yes, to a useful degree: a correlation of 0.41 leaves real independence between the two, which historically damped combined volatility.

What does a correlation of 0.41 mean?

Correlation ranges from −1 to +1. Values near +1 mean two assets move together, near 0 that they move independently, and negative values that they tend to move in opposite directions. It measures co-movement, not performance.

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BLFS vs QQQ: 3-year weekly correlation 0.41BLFS vs QQQ0.41

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Hubs: BLFS correlations · QQQ correlations