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SR vs T: Correlation

Spire Inc. (SR) and AT&T (T) show a moderate relationship: their 3-year correlation of weekly returns is 0.36.

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

Correlation (3Y)
0.36
moderate
Correlation (1Y)
0.27
last 12 months
Correlation (5Y)
0.39
long-run
Ann. covariance
157.1
%² · weekly, annualized

How correlated are SR and T?

On 3 years of weekly data the SR/T correlation comes out at 0.36, moderate. Recent behaviour matches the longer record: 0.27 over 1 year against 0.36 over 3. The 5-year figure is 0.39, and annualized covariance runs at 157.1 %².

By 3-year correlation, T places #13 of the 18 assets tracked against SR. Their recent paths diverged sharply: over the last 12 months SR outperformed by 20.0 percentage points (+11.6% for SR against -8.4% for T).

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.

SR vs T: side by side

SR (Spire Inc.)T (AT&T)
1-year return+11.6%-8.4%
5-year return+53.3%+67.2%
Volatility (ann.)19.6%22.4%
Beta vs S&P 5000.170.05
Max drawdown (3Y)-19.4%-28.9%
Market cap$4.9B$174.3B
P/E (trailing)18.28.4
Dividend yield3.90%4.29%
Sector / categoryUS ListedCommunication Services
Lower P/E: T 8.4 vs 18.2Higher yield: T 4.29% vs 3.90%Smaller drawdown: SR -19.4% vs -28.9%Higher 5y return: T +67.2% vs +53.3%
-28%0%+29%2025-09-052026-08-27
Both assets over the last year, indexed to 100 at the starting week. SR · T

Year-by-year returns

YearSRT
2022+9.8%+6.5%
2023-5.3%-2.7%
2024+14.1%+44.1%
2025+27.1%+14.0%
2026+1.8%+6.1%

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

Are SR and T good diversifiers for each other?

Yes, to a useful degree: a correlation of 0.36 leaves real independence between the two, which historically damped combined volatility.

FAQ

What is the correlation between SR and T?

As of 2026-08-27, the correlation of weekly returns between SR and T is 0.36 over 3 years, 0.27 over 1 year and 0.39 over 5 years.

Is T a good diversifier for SR?

Yes, to a useful degree: a correlation of 0.36 leaves real independence between the two, which historically damped combined volatility.

What does a correlation of 0.36 mean?

On the −1 to +1 scale, 0.36 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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SR vs T: 3-year weekly correlation 0.36SR vs T0.36

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Related comparisons

Hubs: SR correlations · T correlations