83.35 USD
↘ 1.07 (1.27%)PRE MARKET (AS OF 09:29 AM EST)
NGG Stock Premarket
National Grid PLC
NGGNYSE • USD
Market: OPEN
Premarket trading runs 4:00 AM – 9:30 AM ET.
NGG last traded at $83.35 in premarket, down $1.07 (1.27%) from its previous close of $84.42.
📅 NGG is scheduled to report earnings on Nov 5, 2026 before the open (confirmed), with an estimated EPS of $2.29. NGG earnings details →
NGG Premarket Chart
NGG Premarket News
Gap Analytics — 5-year history, 5% minimum gap
Over the past 5 years, NGG has had 6 qualifying gap events (gaps of 5% or more at the open) — 4 gap-ups and 2 gap-downs. Gap-ups averaged +6%, 25% have fully filled, median time to fill 2 trading days. Gap-downs averaged -7.7%, 50% have fully filled, median time to fill 7 trading days. Most recent: a -6.4% gap down on May 15, 2026, which filled in 7 trading days. Average 20-trading-day return after a NGG gap up: +7.33%. After a gap down: -6.3%.
Gap Ups4 events
Fill Rate
25.0%
Avg Gap
6.0%
Avg 50% Fill
3.5d
Avg Fill
2d
Gap Downs2 events
Fill Rate
50.0%
Avg Gap
7.7%
Avg 50% Fill
3d
Avg Fill
7d
Avg Gap Fill by Timeframes
Gap Ups
| 1 day | 1 week | 2 week | 4 week | |
|---|---|---|---|---|
| fills 25% | 50% | 75% | 75% | 75% |
| fills 50% | 0% | 50% | 50% | 50% |
| fills 75% | 0% | 25% | 25% | 25% |
| fills 100% | 0% | 25% | 25% | 25% |
Gap Downs
| 1 day | 1 week | 2 week | 4 week | |
|---|---|---|---|---|
| fills 25% | 0% | 50% | 50% | 50% |
| fills 50% | 0% | 50% | 50% | 50% |
| fills 75% | 0% | 50% | 50% | 50% |
| fills 100% | 0% | 0% | 50% | 50% |
Complete Gap History — 6 events
| Date | Gap From | Gap % | Status | Days to 50% | Days to Fill | % of Gap Filled After | |||
|---|---|---|---|---|---|---|---|---|---|
| 1 day | 1 week | 2 week | 4 week | ||||||
| 2026-05-15 | $87.43 | -6.41% | Filled | 3d | 7d | 7% | 98% | 100% | 100% |
| 2025-04-03 | $63.01 | +6.87% | Filled | 2d | 2d | 25% | 100% | 100% | 100% |
| 2024-05-23 | $67.84 | -9.04% | Open | — | — | 0% | 0% | 0% | 0% |
| 2022-11-10 | $51.58 | +6.22% | Open | — | — | 25% | 25% | 25% | 25% |
| 2022-10-17 | $45.08 | +5.24% | Open | 5d | — | 6% | 56% | 56% | 56% |
| 2021-12-08 | $61.12 | +5.69% | Open | — | — | 5% | 5% | 5% | 5% |
Related: NGG quote & chart · After hours · Technical analysis · Fundamentals · Earnings · Short interest
Frequently Asked Questions
What is NGG's premarket price?
National Grid (NGG) is trading at $83.35 in premarket, down $1.07 (1.27%) from the previous close of $84.42.
Why is NGG moving in premarket?
National Grid (NGG) is down 1.27% from its previous close in premarket trading. Premarket moves are usually driven by company-specific news, earnings results, analyst rating or price-target changes, or broad market and sector sentiment. Check the latest NGG premarket headlines and gap history below for the likely catalyst.
When does NGG premarket trading start?
Premarket trading for NGG 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 NGG fill its gaps?
Over the past 5 years, 25% of NGG gap-ups have fully filled and 50% of gap-downs have filled. Median time to fill is 2 trading days for gap-ups and 7 trading days for gap-downs.
Does NGG have any unfilled gaps?
No. NGG has no unfilled gap events from the past 60 days; all recent gaps have been filled.
What's the average return after a NGG gap?
Based on 6 qualifying gap events over the past 5 years, the average 20-trading-day return after a NGG gap up is +7.33%, and after a gap down is -6.3%.
When does NGG report earnings?
NGG is scheduled to report earnings on Nov 5, 2026 before the open (confirmed), with an estimated EPS of $2.29. National Grid PLC has officially confirmed that its 2026/27 half-year results will be announced on Thursday, November 5, 2026. This was stated in a pre-close update issued on October 5, 2026.