Unusual price movements and significant market activity for American Water Works Company, Inc (AWK). Each move is flagged by Z-score statistical significance — showing when AWK moved beyond its typical daily range. 1 significant move detected in the last 30 days.
Current Market State
What May Be Driving AWK?
No specific catalyst has been identified in the available market data for American Water Works Company, Inc (AWK). The moves shown below are flagged based on statistical significance (Z-score ≥ 2), meaning AWK moved beyond its typical daily range. A catalyst may exist — such as earnings, analyst action, sector momentum, or news — but has not yet been tagged to this ticker.
American Water Works Company, Inc operates in the Utilities sector, specifically Water Supply. Sector-wide movement can contribute to individual stock volatility.
Recent Unusual Moves (30 days)
| Date | Session | Price | Move | Z-Score | Rel. Vol. |
|---|---|---|---|---|---|
| Aug 24, 2026 | Regular | $139.79 | +3.25% | 2.17 | — |
About AWK Market Moves
This page tracks unusual market activity for American Water Works Company, Inc (AWK) 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 AWK'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.