National Grid (CHIX:NGL) Change In Inventory: £0 Mil (TTM As of Mar. 2026)

Author: Vera Yuan Vera Yuan
Vera Yuan
Vera Yuan
Director of Data and Quant Analytics at GuruFocus
Focused on building reliable datasets, financial models, and research tools for value-minded investors. Committed to turning complex data into practical guidance for value-investing and long-term wealth.
Reviewed by: Charlie Tian Charlie Tian
Charlie Tian
Charlie Tian
Founder & CEO of GuruFocus
Dr. Charlie Tian is the founder and CEO of GuruFocus.com, a leading global investment research platform established in 2004. With a Ph.D. in physics, Dr. Tian transitioned from science to finance, applying a data-driven, disciplined approach to value investing.

CHIX:NGL National Grid PLC CHIX:NGL
73 GF Score
Price £12.37
GF Value £7.48
Valuation Significantly Overvalued
! 6 Warning Signs
View Full Analysis

What is National Grid Change In Inventory?

National Grid CHIX:NGL -1.47% 73 Change In Inventory is £0 Mil as of Mar. 2026. GuruFocus rates CHIX:NGL with a GF Score™ of 73/100 and a GF Value™ of £7.48 (Significantly Overvalued). The stock has 6 warning signs investors should review.

National Grid's change in inventory for the quarter that ended in Mar. 2026 was £0 Mil. It means National Grid's inventory stayed the same from Sep. 2025 to Mar. 2026 .

National Grid's change in inventory for the fiscal year that ended in Mar. 2026 was £0 Mil. It means National Grid's inventory stayed the same from Mar. 2025 to Mar. 2026 .

National Grid's Total Inventories for the quarter that ended in Mar. 2026 was £559 Mil.

Days Inventory indicates the number of days of goods in sales that a company has in the inventory.

Inventory Turnover measures how fast the company turns over its inventory within a year. National Grid's Inventory Turnover for the quarter that ended in Mar. 2026 was 0.00.

Inventory-to-Revenue determines the ability of a company to manage their inventory levels. It measures the percentage of Inventories the company currently has on hand to support the current amount of Revenue. National Grid's Inventory-to-Revenue for the quarter that ended in Mar. 2026 was 0.06.

National Grid  (CHIX:NGl) Change In Inventory Explanation

1. Days Inventory indicates the number of days of goods in sales that a company has in the inventory.

National Grid's Days Inventory for the quarter that ended in is calculated as:

Days Inventory=Average Total Inventories/Cost of Goods Sold*Days in Period
=600/0*365 / 2
=N/A

2. Inventory Turnover measures how fast the company turns over its inventory within a year.

National Grid's Inventory Turnover for the quarter that ended in Mar. 2026 is calculated as

Inventory Turnover=Cost of Goods Sold / Average Total Inventories
=0 / 600
=0.00

3. Inventory-to-Revenue determines the ability of a company to manage their inventory levels. It measures the percentage of Inventories the company currently has on hand to support the current amount of Revenue.

National Grid's Inventory to Revenue for the quarter that ended in Mar. 2026 is calculated as

Inventory-to-Revenue=Average Total Inventories / Revenue
=600 / 10622
=0.06

* For Operating Data section: All numbers are indicated by the unit behind each term and all currency related amount are in USD.
* For other sections: All numbers are in millions except for per share data, ratio, and percentage. All currency related amount are indicated in the company's associated stock exchange currency.

National Grid Change In Inventory Related Terms

National Grid Change In Inventory Historical Data

* Premium members only.

The historical data trend for National Grid's Change In Inventory can be seen below:

* For Operating Data section: All numbers are indicated by the unit behind each term and all currency related amount are in USD.
* For other sections: All numbers are in millions except for per share data, ratio, and percentage. All currency related amount are indicated in the company's associated stock exchange currency.

National Grid Change In Inventory Chart

National Grid Annual Data
Trend Mar17 Mar18 Mar19 Mar20 Mar21 Mar22 Mar23 Mar24 Mar25 Mar26
Change In Inventory
Get a 7-Day Free Trial Premium Member Only Premium Member Only 0.00 0.00 0.00 0.00 0.00

National Grid Semi-Annual Data
Sep16 Mar17 Sep17 Mar18 Sep18 Mar19 Sep19 Mar20 Sep20 Mar21 Sep21 Mar22 Sep22 Mar23 Sep23 Mar24 Sep24 Mar25 Sep25 Mar26
Change In Inventory Get a 7-Day Free Trial Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only 0.00 0.00 0.00 0.00 0.00
CHIX:NGL
73GF Score
National Grid PLC CHIX:NGL
Change In Inventory is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

National Grid Change In Inventory Calculation

Change In Inventory is the difference between last period's ending inventory and the current period's ending inventory.

Change In Inventory for the trailing twelve months (TTM) ended in Mar. 2026 adds up the semi-annually data reported by the company within the most recent 12 months, which was £0 Mil.

* For Operating Data section: All numbers are indicated by the unit behind each term and all currency related amount are in USD.
* For other sections: All numbers are in millions except for per share data, ratio, and percentage. All currency related amount are indicated in the company's associated stock exchange currency.

Frequently Asked Questions Learn more about Change In Inventory →
What does a Change In Inventory of £0 Mil mean?
National Grid (CHIX:NGL) has a Change In Inventory of £0 Mil as of Mar. 2026. Change in Inventory is the difference between current-period inventory and past-period inventory. View historical data for National Grid and its competitors.
Is National Grid's Change In Inventory too high?
National Grid's current Change In Inventory is £0 Mil. Overall, National Grid has a GF Score™ of 73/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does National Grid's Change In Inventory compare to NEE and SO?
National Grid's Change In Inventory of £0 Mil can be compared against companies in the Utilities - Regulated industry. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good Change In Inventory for an Utilities - Regulated company?
A good Change In Inventory depends on the Utilities - Regulated industry context. However, Change In Inventory should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Use the industry distribution chart on this page to see where any company falls relative to its peers.
What does a high Change In Inventory mean?
A high Change In Inventory can signal that a stock is expensive relative to its fundamentals. Change in Inventory is the difference between current-period inventory and past-period inventory. View historical data for National Grid and its competitors. National Grid's current Change In Inventory is £0 Mil. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is National Grid stock overvalued right now?
Based on GuruFocus' analysis, National Grid (CHIX:NGL) is currently considered Significantly Overvalued. The stock's GF Value™ is £7.48, compared to a current price of £12.37 — trading 65.3% above its estimated fair value. The current Change In Inventory is £0 Mil. National Grid's overall GF Score™ is 73/100 with 6 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Change In Inventory calculated?
Change In Inventory is calculated from a company's financial statements. For National Grid (CHIX:NGL), the current Change In Inventory is £0 Mil as of Mar. 2026. GuruFocus calculates this using data sourced from SEC filings and annual reports. See the calculation section and 30-year financial data on this page for the full breakdown.

Is National Grid (CHIX:NGL) Overvalued in 2026?

Based on GuruFocus' analysis, National Grid stock appears to be overvalued. The current stock price of £12.37 is trading 65.3% above its estimated GF Value™ of £7.48. GuruFocus considers National Grid to be Significantly Overvalued.

Key valuation signals for CHIX:NGL:

  • Change In Inventory: £0 Mil
  • GF Value™: £7.48 vs. price of £12.37 (65.3% above fair value)
  • GF Score™: 73/100 with 6 warning signs

No single metric tells the full story. See the CHIX:NGL stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.

National Grid Business Description

Address 1-3 Strand, London, GBR, WC2N 5EH
National Grid owns and operates the electric transmission system in England and Wales. It sold the bulk of its UK gas transmission business in fiscal 2023 to fund the acquisition of PPL's UK power distribution assets. In the Northeastern United States, it serves electricity and gas customers combined in three states. It also owns regulated transmission electricity networks in the United States, metering services and merchant transmission lines in the UK.
73GF Score

Get the complete analysis for CHIX:NGL

Change In Inventory is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.

£12.37
Price
£7.48
GF Value