Pre-market price movements and significant market activity for Atmos Energy Corporation ($ATO). Each move is flagged by Z-score statistical significance — showing when $ATO moved beyond its typical daily range. 3 significant moves detected in the last 30 days.
Current Market State
What May Be Driving ATO?
ATO rose 1.72% despite Truist lowering its price target to $174.
Atmos Energy Corporation operates in the Utilities sector, specifically Natural Gas Distribution. Sector-wide movement can contribute to individual stock volatility.
Recent Unusual Moves (30 days)
| Date | Session | Price | Move | RVOL |
|---|---|---|---|---|
| Oct 16, 2026 | Regular | $167.28 | +2.03% | 0.4× |
| Oct 16, 2026 | After-hours | $167.34 | +2.07% | 0.8× |
| Oct 6, 2026 | After-hours | $159.74 | +1.07% | 1.0× |
About ATO Premarket Movers
This page tracks unusual market activity for Atmos Energy Corporation (ATO) across all trading sessions — pre-market (4:00 AM–9:30 AM ET), regular hours (9:30 AM–4:00 PM ET), and after-hours (4:00 PM–8:00 PM ET). A move is flagged as "unusual" when its Z-score reaches 2 or higher, meaning the price change is statistically significant relative to ATO's recent daily volatility.
Z-score is calculated by comparing each move to the 20-day average return and standard deviation. A Z-score of 2.0 means the move is 2 standard deviations beyond the average — occurring in roughly the top 5% of daily moves. Relative volume (RVOL) compares current volume to the 20-day average volume at the same time of day, helping distinguish genuine institutional activity from noise.