Pre-market price movements and significant market activity for GFL Environmental Inc. Subordinate Voting Shares ($GFL). Each move is flagged by Z-score statistical significance — showing when $GFL moved beyond its typical daily range.
Current Market State
What May Be Driving GFL?
No specific catalyst has been identified in the available market data for GFL Environmental Inc. Subordinate Voting Shares (GFL). The moves shown below are flagged based on statistical significance (Z-score ≥ 2), meaning GFL 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.
GFL Environmental Inc. Subordinate Voting Shares operates in the Other sector. Sector-wide movement can contribute to individual stock volatility.
Recent Unusual Moves (30 days)
No significant unusual moves detected for GFL in the last 30 days. This ticker has been trading within its typical statistical range.
About GFL Premarket Movers
This page tracks unusual market activity for GFL Environmental Inc. Subordinate Voting Shares (GFL) 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 GFL'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.