Pre-market price movements and significant market activity for Constellation Brands, Inc. ($STZ). Each move is flagged by Z-score statistical significance — showing when $STZ moved beyond its typical daily range. 2 significant moves detected in the last 30 days.
Current Market State
What May Be Driving STZ?
STZ fell 4.74% after earnings showed weak beer demand as Modelo and Corona volumes dropped.
Constellation Brands, Inc. operates in the Cons Defensive sector, specifically Beverages. Sector-wide movement can contribute to individual stock volatility.
Recent Unusual Moves (30 days)
| Date | Session | Price | Move | Z-Score | Rel. Vol. |
|---|---|---|---|---|---|
| Oct 7, 2026 | Regular | $118.54 | +2.48% | 2.22 | 2.1× |
| Oct 6, 2026 | After-hours | $110.36 | -2.60% | -2.08 | 2.6× |
About STZ Premarket Movers
This page tracks unusual market activity for Constellation Brands, Inc. (STZ) 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 STZ'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.