Atmos Energy Corporation
Atmos Energy Corporation (ATO) PE Ratio — Current & Historical Data
Trailing twelve months (TTM) P/E, forward P/E, PEG, and annual PE history — from market prices and filings.
ato · pe ratio · data through Sep 30, 2025
Core PE Ratio Metrics
Trailing 12 months · TTMThe price-to-earnings (P/E) ratio for Atmos Energy Corporation (ATO) measures how much investors pay for each dollar of the company's trailing earnings. ATO's current PE ratio of 21.05x is calculated by dividing its stock price of $170.24 by its TTM earnings per share of $8.09. +10.1% elevated vs 5Y avg 19.1x
Source: FMP · /ratios-ttm · /analyst-estimates · 2025-09-30
PE Ratio History
2006 – 2025 · Annual▸ FMP /ratios?period=annual&limit=20 · priceToEarningsRatio + netIncomePerShare (Annual)
Historical PE Range
Past 20 fiscal years · Front-end computedMinQ1 · 25%17.1x
MedianQ3 · 75%26.1x
Max
At 21.05x, ATO's current P/E is higher than in 80% of its annual fiscal year readings over the past 20 years — historically elevated.
Percentile calculated from annual fiscal year data points, not by trading day. Years where PE ≤ 0 or > 9,999 are excluded.
PE Ratio vs Peers
Regulated Gas · 6 peers · Annual PE| Company | Market Cap | PE (Annual) | vs Avg | EPS (TTM) |
|---|---|---|---|---|
Atmos Energy CorporationYou ATO | $28.4B | 21.05x | +18.1% | $8.09 |
 Ameren Corporation AEE | $30.2B | 18.55x | +4.1% | $5.38 |
 American Water Works Company, Inc. AWK | $24.3B | 22.91x | +28.5% | $5.70 |
 CenterPoint Energy, Inc. CNP | $27.9B | 23.80x | +33.5% | $1.61 |
 DTE Energy Company DTE | $30.3B | 18.26x | +2.5% | $7.06 |
 Centrais Elétricas Brasileiras S.A. - Eletrobrás EBR-B | $24.8B | 8.67x | -51.3% | $4.56 |
 Eversource Energy ES | $26.6B | 14.75x | -17.2% | $4.56 |
Industry Average 6 peers with valid PE | — | 17.82x | baseline | — |
* N/A — Company is not profitable (TTM) · excluded from industry average · ▸ FMP /stock-peers + /ratios?limit=1 · priceToEarningsRatio
Annual PE Ratio History
| Fiscal Year End | PE Ratio | EPS (TTM) | YoY Change | PE vs Max |
|---|---|---|---|---|
2025-09-30Latest FY2025 | 22.64x | $7.54 | +11.6% | |
2024-09-30 FY2024 | 20.28x | $6.84 | +16.8% | |
2023-09-30 FY2023 | 17.36x | $6.10 | -4.2% | |
2022-09-30 FY2022 | 18.13x | $5.62 | +5.4% | |
2021-09-30 FY2021 | 17.20x | $5.13 | -11.9% | |
2020-09-30 FY2020 | 19.52x | $4.90 | -25.2% | |
2019-09-30 FY2019 | 26.10x | $4.36 | +52.9% | |
2018-09-30 FY2018 | 17.07x | $5.43 | -23.9% | |
2017-09-30 FY2017 | 22.44x | $3.74 | +1.9% | |
2016-09-30 FY2016 | 22.02x | $3.38 | +17.0% |
▸ FMP /ratios?period=annual&limit=20 · priceToEarningsRatio + netIncomePerShare · Zero extra API
About PE Ratio & Methodology
The price-to-earnings (P/E) ratio for Atmos Energy Corporation (ATO) measures how much investors pay for each dollar of the company's trailing earnings. ATO's current PE ratio of 21.05x is calculated by dividing its stock price of $170.24 by its TTM earnings per share of $8.09.
Frequently asked questions
ATO pe ratio · 6 questionsATO's current PE ratio is 21.05x as of 2026-06-08, based on a stock price of $170.24 and TTM EPS of $8.09. Data sourced from Financial Modeling Prep via ATO's SEC 10-K and 10-Q filings.
▸ Source: FMP · /ratios-ttm · /ratios annual · /analyst-estimates · /stock-peers · Atmos Energy Corporation SEC 10-K & 10-Q filings · US GAAP · Updated: 2026-06-08