ATO vs MSFT: Correlation
Atmos Energy (ATO) and Microsoft (MSFT) show a negative relationship: their 3-year correlation of weekly returns is -0.21.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are ATO and MSFT?
Across a 3-year window, the weekly returns of ATO and MSFT correlate at -0.21, negative, meaning they tend to move in opposite directions. The past 12 months show a weaker link (-0.37) than the 3-year average (-0.21). Stretching to 5 years gives 0.06, with an annualized covariance of -90.6 %².
Among the 32 assets we track against ATO, MSFT ranks #25 by 3-year correlation. Twelve-month performance is nearly a tie, at +2.9% for ATO and +0.5% for MSFT. Do not treat this figure as fixed: across three years the rolling one-year correlation ranged all the way from -0.39 to 0.38. Risk is not evenly split, since MSFT carries 1.7 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.
ATO vs MSFT: side by side
| ATO (Atmos Energy) | MSFT (Microsoft) | |
|---|---|---|
| 1-year return | +2.9% | +0.5% |
| 5-year return | +94.1% | +73.3% |
| Volatility (ann.) | 15.9% | 27.5% |
| Beta vs S&P 500 | 0.15 | 1.12 |
| Max drawdown (3Y) | -12.7% | -34.5% |
| Market cap | $28.3B | $3,750.3B |
| P/E (trailing) | 19.9 | 28.1 |
| Dividend yield | 2.28% | 0.73% |
| Sector / category | Utilities | Information Technology |
Year-by-year returns
| Year | ATO | MSFT |
|---|---|---|
| 2022 | +9.6% | -28.0% |
| 2023 | +6.2% | +58.2% |
| 2024 | +23.4% | +12.9% |
| 2025 | +23.1% | +15.6% |
| 2026 | +1.5% | +5.1% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are ATO and MSFT good diversifiers for each other?
By historical standards, yes. A correlation of -0.21 means the two rarely move for the same reasons.
FAQ
What is the correlation between ATO and MSFT?
Using weekly returns as of 2026-08-27: -0.21 over 3 years, with -0.37 over the last year and 0.06 over 5 years.
Is MSFT a good diversifier for ATO?
By historical standards, yes. A correlation of -0.21 means the two rarely move for the same reasons.
What does a correlation of -0.21 mean?
A reading of -0.21 sits on a scale from −1 (opposite moves) through 0 (unrelated) to +1 (identical moves). Correlation captures direction, not magnitude or performance.
Use this data
$ curl https://www.pairbook.io/api/v1/pairs/ato-vs-msft.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/ato-vs-msft/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: ATO correlations · MSFT correlations
