Norfolk SouthernMEX:NSC 84 Days Inventory is 13.53 as of Mar. 2026, which is 6% above its 10-year median of 12.71. GuruFocus rates MEX:NSC with a GF Score™ of 84/100 and a GF Value™ of MXN4,332.49. The stock has 10 warning signs investors should review. Among 796 Transportation companies, Norfolk Southern ranks worse than 55.28% on this metric.
The historical rank and industry rank for Norfolk Southern's Days Inventory or its related term are showing as below:
MEX:NSC'
s Days Inventory Range Over the Past 10 Years
Min: 10.86 Med: 12.71 Max: 14.95
Current: 13.74
During the past 13 years, Norfolk Southern's highest Days Inventory was 14.95. The lowest was 10.86. And the median was 12.71.
MEX:NSC's Days Inventory is ranked worse than 55.28% of 796
companies
in the Transportation industry
Industry Median: 12.455
vs MEX:NSC: 13.74
Norfolk Southern's Days Inventory
increased
from Mar. 2025 (13.15) to Mar. 2026 (13.53).
It might indicate that Norfolk Southern's sales slowed down.
Inventory Turnover measures how fast the company turns over its inventory within a year.
Norfolk Southern's Inventory Turnover for the
three
months ended in Mar. 2026 was 6.74.
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.
Norfolk Southern's Inventory-to-Revenue for the
three
months ended in Mar. 2026 was 0.10.
Norfolk Southern (MEX:NSC) Days Inventory Explanation
Days Inventory indicates the liquidity of the inventory. Generally, a lower Days Inventory is preferred as it indicates a shorter duration to clear off the inventory. An increase of the ratio may indicate the company's sales slowed. Similar ratios related to Days Inventory are:
1. Inventory Turnover measures how fast the company turns over its inventory within a year.
Norfolk Southern's Inventory Turnover for the
three
months ended in Mar. 2026 is calculated as
2. 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.
Norfolk Southern's Inventory to Revenue for the
three
months ended in Mar. 2026 is calculated as
* 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.
Be Aware
A lot of business are seasonable. It makes more sense to compare Days Inventory from the same period in the previous year instead of from the previous quarter.
Norfolk Southern Days Inventory Related Terms
Norfolk Southern Days Inventory Historical Data
* Premium members only.
The historical data trend for Norfolk Southern's Days 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.
MEX:NSC vs CSX, WAB, TRN: Days Inventory Comparison
For the Railroads subindustry, Norfolk Southern's Days Inventory, along with its competitors' market caps and Days Inventory data, can be viewed below:
* Competitive companies are chosen from companies within the same industry, with headquarter located in same country, with closest market capitalization; x-axis shows the market cap, and y-axis shows the term value; the bigger the dot, the larger the market cap. Note that "N/A" values will not show up in the chart.
Norfolk Southern Days Inventory vs Transportation Industry
For the Transportation industry and Industrials sector, Norfolk Southern's Days Inventory distribution charts can be found below:
* The bar in red indicates where Norfolk Southern's Days Inventory falls into.
* 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.
Norfolk Southern (MEX:NSC) has a Days Inventory of 13.53 as of Mar. 2026. Days inventory represents the average amount of days a company holds inventory before selling it. View historical data on Norfolk Southern and its competitors. This is near median its historical median of 12.71. Over the past decade, Norfolk Southern's Days Inventory has ranged from 10.86 to 14.95. According to the industry distribution chart, Norfolk Southern ranks #440 out of 796 companies in the Transportation industry, placing it in the top 55.3%.
Is Norfolk Southern's Days Inventory too high?
Norfolk Southern's current Days Inventory of 13.53 is near median its 10-year median of 12.71. Over the past 10 years, this metric has ranged from a low of 10.86 to a high of 14.95. The Transportation industry median Days Inventory is 12.46. Norfolk Southern's value of 13.53 is 8.6% above this industry median. Based on the distribution chart, Norfolk Southern ranks #440 out of 796 companies in the Transportation industry, which is below the industry midpoint. Overall, Norfolk Southern has a GF Score™ of 84/100, reflecting its overall financial health beyond just this single metric.
How does Norfolk Southern's Days Inventory compare to CSX and WAB?
According to the Transportation industry distribution chart, Norfolk Southern ranks #440 out of 796 companies for Days Inventory. This places Norfolk Southern in the lower half of its industry. The industry median Days Inventory is 12.46. Norfolk Southern's value of 13.53 is 8.6% above this benchmark. Historically, Norfolk Southern's own Days Inventory has ranged from 10.86 to 14.95 over the past decade. While the company's 10-year median is 12.71 vs. the industry median of 12.46, Norfolk Southern has consistently been above the industry average. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good Days Inventory for a Transportation company?
The median Days Inventory among Transportation companies is 12.46, based on 796 companies in the industry. Companies in the top quartile (top 25%) have a Days Inventory significantly above this median, while those in the bottom quartile fall well below. However, Days Inventory should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Norfolk Southern's current Days Inventory of 13.53 is 8.6% above the industry median. Use the industry distribution chart on this page to see where any company falls relative to its peers.
What does a high Days Inventory mean?
A high Days Inventory can signal that a stock is expensive relative to its fundamentals. Days inventory represents the average amount of days a company holds inventory before selling it. View historical data on Norfolk Southern and its competitors. For the Transportation industry, the median Days Inventory is 12.46 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Norfolk Southern's current Days Inventory is 13.53, which is near median its own 10-year median of 12.71. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Norfolk Southern stock overvalued right now?
Norfolk Southern (MEX:NSC) has a current Days Inventory of 13.53. The stock's GF Value™ is MXN4,332.49, compared to a current price of MXN5,332.88 — trading 23.1% above its estimated fair value. The current Days Inventory is 13.53, which is near median its 10-year median of 12.71 and 8.6% above the Transportation industry median of 12.46. Norfolk Southern's overall GF Score™ is 84/100 with 10 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Days Inventory calculated?
Days Inventory is calculated from a company's financial statements. For Norfolk Southern (MEX:NSC), the current Days Inventory is 13.53 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 Norfolk Southern (MEX:NSC) Overvalued in 2026?
Based on GuruFocus' analysis, Norfolk Southern stock appears to be overvalued.
The current stock price of MXN5,332.88 is trading 23.1% above its estimated GF Value™ of MXN4,332.49.
Key valuation signals for MEX:NSC:
Days Inventory: 13.53 (near median its 10-year median of 12.71)
GF Value™: MXN4,332.49 vs. price of MXN5,332.88 (23.1% above fair value)
Industry Position: 8.6% above the Transportation median (#440 of 796)
No single metric tells the full story. See the MEX:NSC stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Class I railroad Norfolk Southern operates in the Eastern United States. On more than 20,000 miles of track, the rail hauls shipments of coal, intermodal traffic, and a diverse mix of automotive, agricultural, metal, chemical, and forest products.
84GF Score
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