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BFC vs QQQ: Correlation

How closely do Bank First Corporation (BFC) and Invesco QQQ Trust (QQQ) trade together? Their weekly returns over three years give a correlation of 0.28, which is weak.

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

Correlation (3Y)
0.28
weak
Correlation (1Y)
0.02
last 12 months
Correlation (5Y)
0.25
long-run
Ann. covariance
144.3
%² · weekly, annualized

How correlated are BFC and QQQ?

Across a 3-year window, the weekly returns of BFC and QQQ correlate at 0.28, weak. The past 12 months show a weaker link (0.02) than the 3-year average (0.28). Stretching to 5 years gives 0.25, with an annualized covariance of 144.3 %².

Among the 13 assets we track against BFC, QQQ sits near the bottom by co-movement, at rank #10. Over the last 12 months QQQ came out ahead by 7.9 percentage points (+18.4% against +26.3%).

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.

BFC vs QQQ: side by side

BFC (Bank First Corporation)QQQ (Invesco QQQ Trust)
1-year return+18.4%+26.3%
5-year return+139.3%+95.4%
Volatility (ann.)26.7%19.6%
Beta vs S&P 5000.701.28
Max drawdown (3Y)-15.7%-22.8%
Market cap$1.7B
P/E (trailing)20.0
Dividend yield1.27%0.44%
Expense ratio0.18%
Assets under management$452.8B
Sector / categoryUS ListedETF · US Growth & Tech
Higher yield: BFC 1.27% vs 0.44%Smaller drawdown: BFC -15.7% vs -22.8%Higher 5y return: BFC +139.3% vs +95.4%

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.

-5%0%+29%2025-09-052026-08-27
Twelve months of weekly closes, each series rebased to 100. BFC · QQQ

Year-by-year returns

YearBFCQQQ
2022+30.0%-32.6%
2023-5.3%+54.9%
2024+16.4%+25.6%
2025+28.7%+20.8%
2026+25.6%+17.7%

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

Are BFC and QQQ good diversifiers for each other?

Reasonably. At 0.28, BFC and QQQ keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.

FAQ

What is the correlation between BFC and QQQ?

The BFC/QQQ correlation stands at 0.28 on a 3-year window (1 year: 0.02, 5 years: 0.25), computed from weekly returns as of 2026-08-27.

Is QQQ a good diversifier for BFC?

Reasonably. At 0.28, BFC and QQQ keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.

What does a correlation of 0.28 mean?

On the −1 to +1 scale, 0.28 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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BFC vs QQQ: 3-year weekly correlation 0.28BFC vs QQQ0.28

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Hubs: BFC correlations · QQQ correlations