National Presto IndustriesNPK -0.76%77 Days Inventory is 279.53 as of Mar. 2026, which is 57% above its 10-year median of 177.48. GuruFocus rates NPK with a GF Score™ of 77/100 and a GF Value™ of $122.34 (Fairly Valued). The stock has 3 warning signs investors should review. Among 325 Aerospace & Defense companies, National Presto Industries ranks worse than 78.46% on this metric.
Inventory Turnover measures how fast the company turns over its inventory within a year.
National Presto Industries's Inventory Turnover for the
three
months ended in Mar. 2026 was 0.33.
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 Presto Industries's Inventory-to-Revenue for the
three
months ended in Mar. 2026 was 2.61.
National Presto Industries (NYSE:NPK) 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.
National Presto Industries'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.
National Presto Industries'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.
National Presto Industries Days Inventory Related Terms
National Presto Industries Days Inventory Historical Data
* 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.
For the Aerospace & Defense subindustry, National Presto Industries'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.
National Presto Industries Days Inventory vs Aerospace & Defense Industry
For the Aerospace & Defense industry and Industrials sector, National Presto Industries's Days Inventory distribution charts can be found below:
* The bar in red indicates where National Presto Industries'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.
National Presto Industries (NPK) has a Days Inventory of 279.53 as of Mar. 2026. Days inventory represents the average amount of days a company holds inventory before selling it. View historical data on National Presto Industries and its competitors. This is 57% above median its historical median of 177.48. Over the past decade, National Presto Industries' Days Inventory has ranged from 131.27 to 276.06. According to the industry distribution chart, National Presto Industries ranks #255 out of 325 companies in the Aerospace & Defense industry, placing it in the top 78.5%.
Is National Presto Industries' Days Inventory too high?
National Presto Industries' current Days Inventory of 279.53 is 57% above median its 10-year median of 177.48. Over the past 10 years, this metric has ranged from a low of 131.27 to a high of 276.06. The Aerospace & Defense industry median Days Inventory is 141.54. National Presto Industries' value of 279.53 is 97.5% above this industry median. Based on the distribution chart, National Presto Industries ranks #255 out of 325 companies in the Aerospace & Defense industry, which is in the bottom quartile relative to peers. Overall, National Presto Industries has a GF Score™ of 77/100 and is considered Fairly Valued, reflecting its overall financial health beyond just this single metric.
How does National Presto Industries' Days Inventory compare to EVEX and AVEX?
According to the Aerospace & Defense industry distribution chart, National Presto Industries ranks #255 out of 325 companies for Days Inventory. This places National Presto Industries in the lower half of its industry. The industry median Days Inventory is 141.54. National Presto Industries' value of 279.53 is 97.5% above this benchmark. Historically, National Presto Industries' own Days Inventory has ranged from 131.27 to 276.06 over the past decade. While the company's 10-year median is 177.48 vs. the industry median of 141.54, National Presto Industries 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 an Aerospace & Defense company?
The median Days Inventory among Aerospace & Defense companies is 141.54, based on 325 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. National Presto Industries's current Days Inventory of 279.53 is 97.5% 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 National Presto Industries and its competitors. For the Aerospace & Defense industry, the median Days Inventory is 141.54 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. National Presto Industries's current Days Inventory is 279.53, which is 57% above median its own 10-year median of 177.48. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is National Presto Industries stock overvalued right now?
Based on GuruFocus' analysis, National Presto Industries (NPK) is currently considered Fairly Valued. The stock's GF Value™ is $122.34, compared to a current price of $123.28 — trading 0.8% above its estimated fair value. The current Days Inventory is 279.53, which is 57% above median its 10-year median of 177.48 and 97.5% above the Aerospace & Defense industry median of 141.54. National Presto Industries' overall GF Score™ is 77/100 with 3 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 National Presto Industries (NPK), the current Days Inventory is 279.53 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 National Presto Industries (NPK) Overvalued in 2026?
Based on GuruFocus' analysis, National Presto Industries stock appears to be overvalued.
The current stock price of $123.28 is trading 0.8% above its estimated GF Value™ of $122.34.
GuruFocus considers National Presto Industries to be Fairly Valued.
Key valuation signals for NPK:
Days Inventory: 279.53 (57% above median its 10-year median of 177.48)
GF Value™: $122.34 vs. price of $123.28 (0.8% above fair value)
Industry Position: 97.5% above the Aerospace & Defense median (#255 of 325)
No single metric tells the full story. See the NPK stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
National Presto Industries Inc has an electric product portfolio consisting of household appliances, ammunition, and diapers. The company operates in three segments, namely Defense, Housewares/Small Appliance, and Safety. The defense segment, which is engaged in manufacturing 40mm ammunition, precision mechanical and electro-mechanical assemblies, and medium caliber cartridge cases, performs Load, Assemble, and Pack (LAP) operations on ordnance-related products for the U.S. Government and prime contractor. While the Housewares/Small Appliance segment designs, markets, and distributes housewares and small electrical appliances, the safety segment provides safety technology empowering organizations and individuals to protect what is more important.
77GF Score
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