Pre-market price movements and significant market activity for General Mills, Inc. ($GIS). Each move is flagged by Z-score statistical significance — showing when $GIS moved beyond its typical daily range. 3 significant moves detected in the last 30 days.
Current Market State
What May Be Driving GIS?
General Mills dropped 4.75% as COO Dana McNabb was named to succeed CEO Jeff Harmening starting January 2027.
General Mills, Inc. operates in the Cons Defensive sector, specifically Grain Mill Products. Sector-wide movement can contribute to individual stock volatility.
Recent Unusual Moves (30 days)
| Date | Session | Price | Move | Z-Score | Rel. Vol. |
|---|---|---|---|---|---|
| Sep 30, 2026 | Regular | $32.22 | -4.75% | -2.50 | 0.7× |
| Sep 30, 2026 | After-hours | $32.23 | -4.70% | -2.47 | 1.3× |
| Sep 10, 2026 | Regular | $35.83 | -3.41% | -2.27 | — |
About GIS Premarket Movers
This page tracks unusual market activity for General Mills, Inc. (GIS) 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 GIS'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.