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BB vs QQQ: Correlation

Measured on weekly returns over the past three years, BlackBerry Limited (BB) and Invesco QQQ Trust (QQQ) carry a correlation of 0.30, a moderate link.

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

Correlation (3Y)
0.30
moderate
Correlation (1Y)
0.31
last 12 months
Correlation (5Y)
0.44
long-run
Ann. covariance
369.7
%² · weekly, annualized

How correlated are BB and QQQ?

On 3 years of weekly data the BB/QQQ correlation comes out at 0.30, moderate. The relationship has been stable: the 1-year correlation (0.31) sits close to the 3-year figure. The 5-year figure is 0.44, and annualized covariance runs at 369.7 %².

Out of 11 assets tracked against BB, QQQ lands near the bottom at #7. Their recent paths diverged sharply: over the last 12 months BB outperformed by 98.4 percentage points (+124.7% for BB against +26.3% for QQQ). Risk is not evenly split, since BB carries 3.2 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.

BB vs QQQ: side by side

BB (BlackBerry Limited)QQQ (Invesco QQQ Trust)
1-year return+124.7%+26.3%
5-year return-22.8%+95.4%
Volatility (ann.)63.0%19.6%
Beta vs S&P 5001.291.28
Max drawdown (3Y)-62.3%-22.8%
Market cap$5.1B
P/E (trailing)78.6
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 -62.3%Higher 5y return: QQQ +95.4% vs -22.8%

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.

-19%0%+197%2025-09-052026-08-27
Twelve months of weekly closes, each series rebased to 100. BB · QQQ

Year-by-year returns

YearBBQQQ
2022-65.1%-32.6%
2023+8.6%+54.9%
2024+6.8%+25.6%
2025+0.3%+20.8%
2026+128.2%+17.7%

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

Are BB and QQQ good diversifiers for each other?

Reasonably. At 0.30, BB and QQQ keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.

FAQ

What is the correlation between BB and QQQ?

The BB/QQQ correlation stands at 0.30 on a 3-year window (1 year: 0.31, 5 years: 0.44), computed from weekly returns as of 2026-08-27.

Is QQQ a good diversifier for BB?

Reasonably. At 0.30, BB and QQQ keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.

What does a correlation of 0.30 mean?

A reading of 0.30 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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BB vs QQQ: 3-year weekly correlation 0.30BB vs QQQ0.30

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