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OGS vs TXNM: Correlation

ONE Gas, Inc. (OGS) and TXNM Energy, Inc. (TXNM) show a moderate relationship: their 3-year correlation of weekly returns is 0.44.

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

Correlation (3Y)
0.44
moderate
Correlation (1Y)
0.34
last 12 months
Correlation (5Y)
0.36
long-run
Ann. covariance
152.6
%² · weekly, annualized

How correlated are OGS and TXNM?

Across a 3-year window, the weekly returns of OGS and TXNM correlate at 0.44, moderate. Little has changed lately, as the 1-year reading of 0.34 lands near the 3-year figure. Stretching to 5 years gives 0.36, with an annualized covariance of 152.6 %².

Within OGS's tracked universe of 14 assets, TXNM comes in at #9 by 3-year correlation. Neither side won the trailing year by much: +7.5% against +4.5%.

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.

OGS vs TXNM: side by side

OGS (ONE Gas, Inc.)TXNM (TXNM Energy, Inc.)
1-year return+7.5%+4.5%
5-year return+32.3%+36.1%
Volatility (ann.)20.2%17.1%
Beta vs S&P 5000.170.10
Max drawdown (3Y)-23.0%-21.0%
Market cap$5.0B$5.9B
P/E (trailing)17.531.4
Dividend yield3.33%2.91%
Sector / categoryUS ListedUS Listed
Lower P/E: OGS 17.5 vs 31.4Higher yield: OGS 3.33% vs 2.91%Smaller drawdown: TXNM -21.0% vs -23.0%Higher 5y return: TXNM +36.1% vs +32.3%
-0%0%+20%2025-09-052026-08-27
Twelve months of weekly closes, each series rebased to 100. OGS · TXNM

Year-by-year returns

YearOGSTXNM
2022+0.6%+10.2%
2023-12.8%-12.0%
2024+13.1%+23.0%
2025+15.6%+23.4%
2026+5.6%-0.2%

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

Are OGS and TXNM good diversifiers for each other?

A fair diversifier. At 0.44, enough of each asset's movement is its own that the pair has smoothed outcomes historically.

FAQ

What is the correlation between OGS and TXNM?

Using weekly returns as of 2026-08-27: 0.44 over 3 years, with 0.34 over the last year and 0.36 over 5 years.

Is TXNM a good diversifier for OGS?

A fair diversifier. At 0.44, enough of each asset's movement is its own that the pair has smoothed outcomes historically.

What does a correlation of 0.44 mean?

On the −1 to +1 scale, 0.44 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

JSON API · no key required
$ curl https://www.pairbook.io/api/v1/pairs/ogs-vs-txnm.json

OGS vs TXNM: 3-year weekly correlation 0.44OGS vs TXNM0.44

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Related comparisons

Hubs: OGS correlations · TXNM correlations