Pre-market price movements and significant market activity for Amcor plc Ordinary Shares ($AMCR). Each move is flagged by Z-score statistical significance — showing when $AMCR moved beyond its typical daily range. 3 significant moves detected in the last 30 days.
Current Market State
What May Be Driving AMCR?
Optimism surrounding Berry synergy hopes and perceived undervaluation drove AMCR up 2.60%.
Amcor plc Ordinary Shares operates in the Cons Cyclical sector, specifically Miscellaneous Manufacturing Industries. Sector-wide movement can contribute to individual stock volatility.
Recent Unusual Moves (30 days)
| Date | Session | Price | Move | Z-Score | Rel. Vol. |
|---|---|---|---|---|---|
| Sep 22, 2026 | Regular | $43.25 | +2.61% | 2.85 | 0.6× |
| Sep 22, 2026 | After-hours | $43.24 | +2.59% | 2.83 | 1.0× |
| Sep 18, 2026 | After-hours | $42.73 | +1.98% | 2.11 | 1.7× |
About AMCR Premarket Movers
This page tracks unusual market activity for Amcor plc Ordinary Shares (AMCR) 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 AMCR'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.