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BLZE vs QQQ: Correlation

How closely do Backblaze, Inc. (BLZE) 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)
0.39
last 12 months
Correlation (5Y)
0.41
long-run
Ann. covariance
598.0
%² · weekly, annualized

How correlated are BLZE and QQQ?

Over the past 3 years, BLZE and QQQ moved with a correlation of 0.33, which is moderate. Recent behaviour matches the longer record: 0.39 over 1 year against 0.33 over 3. Over 5 years the correlation is 0.41, and the annualized covariance of weekly returns is 598.0 %².

Within BLZE's tracked universe of 20 assets, QQQ comes in at #12 by 3-year correlation. Their recent paths diverged sharply: over the last 12 months BLZE outperformed by 59.6 percentage points (+85.9% for BLZE against +26.3% for QQQ). One caveat on sizing: BLZE is 4.7 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.

BLZE vs QQQ: side by side

BLZE (Backblaze, Inc.)QQQ (Invesco QQQ Trust)
1-year return+85.9%+26.3%
5-year return-23.4%+95.4%
Volatility (ann.)92.9%19.6%
Beta vs S&P 5001.921.28
Max drawdown (3Y)-72.0%-22.8%
Market cap$0.9B
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 -72.0%Higher 5y return: QQQ +95.4% vs -23.4%

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.

-61%0%+119%2025-09-052026-08-27
Twelve months of weekly closes, each series rebased to 100. BLZE · QQQ

Year-by-year returns

YearBLZEQQQ
2022-63.6%-32.6%
2023+23.4%+54.9%
2024-20.7%+25.6%
2025-22.6%+20.8%
2026+227.0%+17.7%

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

Are BLZE and QQQ good diversifiers for each other?

Yes, to a useful degree: a correlation of 0.33 leaves real independence between the two, which historically damped combined volatility.

FAQ

What is the correlation between BLZE and QQQ?

The BLZE/QQQ correlation stands at 0.33 on a 3-year window (1 year: 0.39, 5 years: 0.41), computed from weekly returns as of 2026-08-27.

Is QQQ a good diversifier for BLZE?

Yes, to a useful degree: a correlation of 0.33 leaves real independence between the two, which historically damped combined volatility.

What does a correlation of 0.33 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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BLZE vs QQQ: 3-year weekly correlation 0.33BLZE vs QQQ0.33

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Hubs: BLZE correlations · QQQ correlations