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BTZ vs QQQ: Correlation

Measured on weekly returns over the past three years, BlackRock Credit Allocation Income Trust (BTZ) and Invesco QQQ Trust (QQQ) carry a correlation of 0.45, a moderate link.

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

Correlation (3Y)
0.45
moderate
Correlation (1Y)
0.54
last 12 months
Correlation (5Y)
0.51
long-run
Ann. covariance
101.4
%² · weekly, annualized

How correlated are BTZ and QQQ?

On 3 years of weekly data the BTZ/QQQ correlation comes out at 0.45, moderate. Little has changed lately, as the 1-year reading of 0.54 lands near the 3-year figure. The 5-year figure is 0.51, and annualized covariance runs at 101.4 %².

QQQ is close to the least connected end of BTZ's tracked universe, ranking #22 of 25. Correlation aside, the last 12 months split them widely, with QQQ ahead by 24.7 points (+1.6% versus +26.3%). Risk is not evenly split, since QQQ carries 1.7 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.

BTZ vs QQQ: side by side

BTZ (BlackRock Credit Allocation Income Trust)QQQ (Invesco QQQ Trust)
1-year return+1.6%+26.3%
5-year return+5.4%+95.4%
Volatility (ann.)11.5%19.6%
Beta vs S&P 5000.441.28
Max drawdown (3Y)-9.3%-22.8%
Market cap
P/E (trailing)9.2
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: BTZ -9.3% vs -22.8%Higher 5y return: QQQ +95.4% vs +5.4%

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.

-7%0%+29%2025-09-052026-08-27
Twelve months of weekly closes, each series rebased to 100. BTZ · QQQ

Year-by-year returns

YearBTZQQQ
2022-27.1%-32.6%
2023+12.8%+54.9%
2024+11.3%+25.6%
2025+13.7%+20.8%
2026+0.1%+17.7%

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

Are BTZ and QQQ good diversifiers for each other?

Yes, to a useful degree: a correlation of 0.45 leaves real independence between the two, which historically damped combined volatility.

FAQ

What is the correlation between BTZ and QQQ?

As of 2026-08-27, the correlation of weekly returns between BTZ and QQQ is 0.45 over 3 years, 0.54 over 1 year and 0.51 over 5 years.

Is QQQ a good diversifier for BTZ?

Yes, to a useful degree: a correlation of 0.45 leaves real independence between the two, which historically damped combined volatility.

What does a correlation of 0.45 mean?

On the −1 to +1 scale, 0.45 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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BTZ vs QQQ: 3-year weekly correlation 0.45BTZ vs QQQ0.45

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