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MGEE vs QTI: Correlation

Measured on weekly returns over the past three years, MGE Energy Inc. (MGEE) and QT Imaging Holdings, Inc. (QTI) carry a correlation of -0.22, a negative link.

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

Correlation (3Y)
-0.22
negative
Correlation (1Y)
0.19
last 12 months
Correlation (5Y)
-0.19
long-run
Ann. covariance
-662.7
%² · weekly, annualized

How correlated are MGEE and QTI?

Across a 3-year window, the weekly returns of MGEE and QTI correlate at -0.22, negative, meaning they tend to move in opposite directions. The link has tightened recently: the 1-year correlation (0.19) runs above the 3-year figure (-0.22). Stretching to 5 years gives -0.19, with an annualized covariance of -662.7 %².

QTI is close to the least connected end of MGEE's tracked universe, ranking #13 of 15. Their recent paths diverged sharply: over the last 12 months MGEE outperformed by 83.3 percentage points (-8.3% for MGEE against -91.6% for QTI). Risk is not evenly split, since QTI carries 3.9 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.

MGEE vs QTI: side by side

MGEE (MGE Energy Inc.)QTI (QT Imaging Holdings, Inc.)
1-year return-8.3%-91.6%
5-year return+8.2%-97.9%
Volatility (ann.)27.4%108.2%
Beta vs S&P 5000.260.12
Max drawdown (3Y)-30.9%-98.6%
Market cap$3.0B
P/E (trailing)19.5
Dividend yield2.39%0.00%
Sector / categoryUS ListedUS Listed
Higher yield: MGEE 2.39% vs 0.00%Smaller drawdown: MGEE -30.9% vs -98.6%Higher 5y return: MGEE +8.2% vs -97.9%
-93%0%+4%2025-09-052026-08-27
Twelve months of weekly closes, each series rebased to 100. MGEE · QTI

Year-by-year returns

YearMGEEQTI
2022-12.6%+3.1%
2023+5.1%+7.7%
2024+32.8%-95.6%
2025-14.7%-16.7%
2026+1.1%-48.9%

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

Are MGEE and QTI good diversifiers for each other?

Yes: at -0.22, the two have gone their own ways historically, which is what genuine diversification looks like.

FAQ

What is the correlation between MGEE and QTI?

The MGEE/QTI correlation stands at -0.22 on a 3-year window (1 year: 0.19, 5 years: -0.19), computed from weekly returns as of 2026-08-27.

Is QTI a good diversifier for MGEE?

Yes: at -0.22, the two have gone their own ways historically, which is what genuine diversification looks like.

What does a correlation of -0.22 mean?

On the −1 to +1 scale, -0.22 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.

Use this data

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$ curl https://www.pairbook.io/api/v1/pairs/mgee-vs-qti.json

MGEE vs QTI: 3-year weekly correlation -0.22MGEE vs QTI-0.22

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Related comparisons

Hubs: MGEE correlations · QTI correlations