ATO technical analysis

ATO Technical Analysis

Analysis date

August 5, 2026

Market

NYSE (USD)

Daily cutoff

August 4, 2026

Reliability

Passed

Informational use only. This page is not investment advice.

Data verification

ATO Data Verification

Checking the latest completed daily bar for date and closing-price consistency before indicators are calculated.

Symbol
ATO
Market
NYSE
Currency
USD (US Dollar)
Latest completed bar
August 4, 2026

Historical prices are adjusted for corporate actions when applicable. Date and closing-price consistency checks passed for the latest completed daily bar.

Validation seriesLatest CloseDateDifferenceStatus
Calculation series172.65August 4, 2026-Verified
Verification series172.65August 4, 20260.00%Verified

Bottom line

ATO Technical Analysis Summary

ATO is in a short-term pullback within a longer-term uptrend. On the daily chart, price at 172.65 sits below all three key moving averages (SMA20 176.63, SMA50 173.61, SMA200 175.03) with a negative MACD histogram of -0.75 and RSI at 42.70, while volume expanded to 134.0% of its 20-period average during the recent decline. The weekly chart still shows price well above the SMA200 (133.23), confirming the long-term uptrend, but price has slipped below the weekly SMA20 (178.29) and the weekly MACD histogram is negative at -0.65. Key support rests at 170.00 (20-day low) and 166.33 (60-day and 20-week low). Resistance is at the moving average cluster of 173.49 to 176.63, then the 20-day high of 182.64. A close above 176.63 would signal stabilization; a break below 166.33 would put the longer-term uptrend at risk.

Multi-timeframe dashboard

Multi-Timeframe Technical Dashboard

Comparing daily (2-year) and weekly (5-year) perspectives to identify aligned or conflicting signals.

Daily (August 4, 2026)

Trend
Mixed with a weak bias. Price at 172.65 is below SMA20 (176.63), SMA50 (173.61), and SMA200 (175.03). The moving averages are tightly clustered near 173-177, but price sits below all three, reflecting short-term softness. Price is pressing against the lower Bollinger Band, suggesting near-term downside pressure within a broader consolidation.
Momentum
Bearish. RSI14 at 42.70 is below the neutral 50 level and moving toward oversold territory, showing weak momentum without yet reaching oversold conditions. MACD at -0.15 is below the signal line at 0.60 with a negative histogram of -0.75, indicating declining momentum.
Volatility
Low. ATR14 at 3.24 (1.88% of price) suggests modest daily swings typical of a regulated gas utility. Bollinger Bands (172.21 to 181.06) are moderately narrow, with price at the lower band, reflecting low volatility with a slightly downward tilt.
Volume
Above average. Latest volume of 1,348,100 is 134.0% of the 20-period average (1,006,095), indicating elevated participation during the recent decline.

Assessment

The daily chart shows short-term weakness with price below all key moving averages, a negative MACD histogram, and RSI below 50. Price pressing the lower Bollinger Band points to near-term downside pressure. Support at the 20-day low of 170.00 and then the 60-day low of 166.33 are the levels to watch. A reclaim of SMA20 at 176.63 would be the first sign of stabilization.

Weekly (July 27, 2026 week)

Trend
Mixed. Price at 172.78 is below SMA20 (178.29) and slightly below SMA50 (173.49), but well above SMA200 (133.23). The SMA200 slopes upward, confirming the long-term uptrend, while the short-to-intermediate moving averages reflect intermediate-term softening.
Momentum
Neutral to slightly bearish. RSI14 at 46.62 is in neutral territory with no clear directional edge. MACD at 0.36 is below the signal line at 1.01 with a negative histogram of -0.65, indicating softening momentum on the weekly scale.
Volatility
Moderate. ATR14 at 6.45 (3.73% of price) reflects normal weekly ranges for a utility stock. Bollinger Bands (166.05 to 190.52) are moderately wide, with price in the lower portion of the bands.
Volume
Slightly below average. Weekly volume of 4,786,400 is 80.4% of the 20-week average (5,950,260), indicating reduced participation.

Assessment

The weekly chart shows a long-term uptrend that has pulled back in the intermediate term. Price holds well above SMA200 and above the 60-week low, but has fallen below SMA20 and sits near SMA50. The negative MACD histogram and RSI below 50 point to continued consolidation. The 52-week position at 52.5% places the stock in the middle of its range. The weekly picture suggests the pullback remains contained within the broader uptrend as long as the 60-week low near 166.33 holds.

Key indicators

ATO Key Technical Indicators

RSI, MACD, moving averages, ATR, and Bollinger Bands across daily and weekly timeframes.

IndicatorDailyWeekly
RSI (14)42.7046.62
MACD (12, 26, 9)-0.15 / 0.60 / -0.750.36 / 1.01 / -0.65
ATR (14)3.24 (1.88%)6.45 (3.73%)
Bollinger Bands (20, 2)172.21 - 181.06166.05 - 190.52
SMA (20)176.63178.29
SMA (50)173.61173.49
SMA (200)175.03133.23

Price structure

ATO Price Structure and Returns

Price performance across multiple lookback periods and 52-week position.

MetricDailyWeekly
Current Price172.65172.78
1-Period Return-0.14%-3.59%
5-Period Return-3.75%-1.36%
20-Period Return-2.78%-7.86%
60-Period Return-4.53%+16.07%
252-Period Return+13.28%+118.92%
52-Week Low152.16152.16
52-Week High191.43191.43
52-Week Position52.18%52.51%

Key levels

ATO Support and Resistance Levels

Key price levels based on recent swing highs and lows across daily and weekly timeframes.

LevelDailyWeekly
20-Period High182.64191.43
20-Period Low170.00166.33
60-Period High183.79191.43
60-Period Low166.33146.70

Scenarios

ATO Technical Scenarios

Conditions, invalidation triggers, and what to watch for each scenario.

Bullish

Trigger

Price reclaims the SMA20 at 176.63 and holds above the moving average cluster near 173-177 on increasing volume.

Invalidation

Price falls below the 60-day low of 166.33.

What to watch

Sustained close above 176.63 followed by volume confirmation; RSI moving back above 50; daily MACD histogram turning positive.

Range-Bound

Trigger

Price continues to oscillate between 166.33 support and 182.64 resistance.

Invalidation

A decisive break of either boundary with increasing volume.

What to watch

RSI staying between 35 and 55; volume returning to average; moving averages remaining tightly clustered.

Bearish

Trigger

Price breaks below the 20-day low at 170.00 and then the 60-day low at 166.33.

Invalidation

Price reclaims the SMA50 (173.61) and holds above it.

What to watch

Sustained closes below SMA20 (176.63); increasing downside volume; weekly MACD histogram turning more negative; weekly close below the 60-week low of 166.33.

Methodology

Methodology and Limitations

This technical analysis is calculated locally from adjusted OHLCV history. The daily series ends August 4, 2026, and the weekly series ends July 27, 2026 week. The latest completed daily bar is independently checked for date and closing-price consistency. Historical prices are adjusted for corporate actions when applicable. Indicators include Wilder RSI(14), MACD(12,26,9), SMA20/50/200, Wilder ATR(14), Bollinger Bands(20,2), relative volume, multi-period returns, and price-range levels. Support and resistance are descriptive zones, not guaranteed reversal points. Historical patterns do not predict future prices, and this page is not investment advice.

Frequently Asked Questions

This technical analysis is for informational and educational purposes only. It does not constitute investment advice, a recommendation, or a solicitation to buy or sell any security. Past performance and historical patterns are not guarantees of future results. All investments carry risk, including the potential loss of principal. Always conduct your own research and consult with a qualified financial advisor before making investment decisions.

Market data is checked for date and closing-price consistency before indicators are calculated. Data cutoffs: daily August 4, 2026, weekly July 27, 2026 week. Generated August 5, 2026.