GFL Stock Premarket

GFL Environmental Inc. Subordinate Voting Shares
GFLNYSEUSD
36.29 USD
0.49 (1.38%)PRE MARKET (AS OF 05:29 AM EDT)
🔴Market: CLOSED

Premarket trading runs 4:00 AM – 9:30 AM ET.

GFL Premarket News

Gap Analytics — 5-year history, 5% minimum gap

Over the past 5 years, GFL has had 2 qualifying gap events (gaps of 5% or more at the open) — 1 gap-up and 1 gap-down. Gap-ups averaged +5.3%, 100% have fully filled, median time to fill 27 trading days. Gap-downs averaged -9.3%, 0% have fully filled. Most recent: a +5.3% gap up on Jul 31, 2025, which filled in 27 trading days. Average 20-trading-day return after a GFL gap up: -1.6%. After a gap down: -7.31%.

Gap Ups1 events
Fill Rate
100.0%
Avg Gap
5.3%
Avg 50% Fill
25d
Avg Fill
27d
Avg 20d return after gap-up: -1.60%
Gap Downs1 events
Fill Rate
0.0%
Avg Gap
9.3%
Avg 50% Fill
1d
Avg Fill
Avg 20d return after gap-down: -7.31%
Avg Gap Fill by Timeframes
Gap Ups
1 day1 week2 week4 week
fills 25%100%100%100%100%
fills 50%0%0%0%0%
fills 75%0%0%0%0%
fills 100%0%0%0%0%
Gap Downs
1 day1 week2 week4 week
fills 25%100%100%100%100%
fills 50%100%100%100%100%
fills 75%0%0%0%0%
fills 100%0%0%0%0%
Complete Gap History 2 events
DateGap FromGap %StatusDays to 50%Days to Fill% of Gap Filled After
1 day1 week2 week4 week
2025-07-31$47.60+5.29%Filled25d27d28%28%28%39%
2021-11-19$41.89-9.26%Open1d65%71%71%71%
Related: GFL quote & chart · Technical analysis · Fundamentals · Earnings · Short interest

Frequently Asked Questions

What is GFL's premarket price?

GFL is trading at $36.29 in premarket, up $0.49 (+1.38%) from the previous close of $35.80.

When does GFL premarket trading start?

Premarket trading for GFL on the NYSE runs from 4:00 AM to 9:30 AM Eastern Time, ahead of the regular session (9:30 AM – 4:00 PM ET). After-hours runs from 4:00 PM to 8:00 PM ET.

How often does GFL fill its gaps?

Over the past 5 years, 100% of GFL gap-ups have fully filled and 0% of gap-downs have filled. Median time to fill is 27 trading days for gap-ups.

Does GFL have any unfilled gaps?

No. GFL has no unfilled gap events from the past 60 days; all recent gaps have been filled.

What's the average return after a GFL gap?

Based on 2 qualifying gap events over the past 5 years, the average 20-trading-day return after a GFL gap up is -1.6%, and after a gap down is -7.31%.