ATO monthly performance report
Monthly ATO research: returns, drawdown, relative strength, seasonality, and key stats.
ATO monthly report
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Key takeaways
- Atmos Energy (ATO) closed August 2026 at $172.20, down 0.34% for the month and +9.94% over the trailing 12 months.
- Year-to-date, ATO is +2.73%, underperforming the S&P 500 which has returned +12.89% YTD.
- The stock is trading −2.39% versus its 200-day moving average ($176.42), a cautious technical signal.
- Over the past three years, ATO has underperformed the S&P 500 by −25.45%, with a relative strength index reading of 85.5.
- Win rate over the trailing 39 months stands at 64.1% — 25 positive months versus 14 negative months.
Atmos Energy ended August 2026 at $172.20, posting a monthly return of −0.34%. The S&P 500 returned +3.05% over the same window, leaving relative performance at −3.38%.
The current quarter stands at +0.16% (Q3 2026 (QTD)), while medium-term trend remains soft: price is −2.39% versus the 200-day moving average ($176.42).
Year-to-date, ATO is +2.73% against SPY +12.89%, a gap of −10.16%. The stock is currently −10.55% below its 52-week high, with maximum 3-year drawdown at −13.07%.
| Period | ATO | S&P 500 (SPY) | Excess return |
|---|---|---|---|
| 1 Day | −0.26% | −0.20% | −0.06% |
| 1 Week | −4.00% | +3.90% | −7.91% |
| 1 Month | −0.34% | +3.05% | −3.38% |
| 3 Months | −9.36% | +7.11% | −16.47% |
| 6 Months |