Willis Lease Finance (FRA:WIJ) Days Inventory: 95.75 (As of Mar. 2026) — 15% Below Median

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FRA:WIJ Willis Lease Finance Corp FRA:WIJ
89 GF Score
Price €58.00
GF Value €40.82
Valuation Significantly Overvalued
! 9 Warning Signs
View Full Analysis

What is Willis Lease Finance Days Inventory?

Willis Lease Finance FRA:WIJ +1.75% 89 Days Inventory is 95.75 as of Mar. 2026, which is 15% below its 10-year median of 112.57. GuruFocus rates FRA:WIJ with a GF Score™ of 89/100 and a GF Value™ of €40.82 (Significantly Overvalued). The stock has 9 warning signs investors should review. Among 673 Business Services companies, Willis Lease Finance ranks worse than 74.74% on this metric.

Days Inventory is also known as Days Sales of Inventory (DSI). Willis Lease Finance's Average Total Inventories for the three months ended in Mar. 2026 was €48.5 Mil. Willis Lease Finance's Cost of Goods Sold for the three months ended in Mar. 2026 was €46.2 Mil. Hence, Willis Lease Finance's Days Inventory for the three months ended in Mar. 2026 was 95.75.

The historical rank and industry rank for Willis Lease Finance's Days Inventory or its related term are showing as below:

FRA:WIJ' s Days Inventory Range Over the Past 10 Years
Min: 71.42   Med: 112.57   Max: 191.09
Current: 90.68

During the past 13 years, Willis Lease Finance's highest Days Inventory was 191.09. The lowest was 71.42. And the median was 112.57.

FRA:WIJ's Days Inventory is ranked worse than
74.74% of 673 companies
in the Business Services industry
Industry Median: 25.24 vs FRA:WIJ: 90.68

Willis Lease Finance's Days Inventory declined from Mar. 2025 (141.65) to Mar. 2026 (95.75).

Inventory Turnover measures how fast the company turns over its inventory within a year. Willis Lease Finance's Inventory Turnover for the three months ended in Mar. 2026 was 0.95.

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. Willis Lease Finance's Inventory-to-Revenue for the three months ended in Mar. 2026 was 0.29.


Willis Lease Finance  (FRA:WIJ) 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.

Willis Lease Finance'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.

Willis Lease Finance'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.


Willis Lease Finance Days Inventory Related Terms


Willis Lease Finance Days Inventory Historical Data

* Premium members only.

The historical data trend for Willis Lease Finance'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.

Willis Lease Finance Days Inventory Chart

Willis Lease Finance Annual Data
Trend Dec16 Dec17 Dec18 Dec19 Dec20 Dec21 Dec22 Dec23 Dec24 Dec25
Days Inventory
Get a 7-Day Free Trial Premium Member Only Premium Member Only 183.77 144.46 115.65 145.54 108.09

Willis Lease Finance Quarterly Data
Jun21 Sep21 Dec21 Mar22 Jun22 Sep22 Dec22 Mar23 Jun23 Sep23 Dec23 Mar24 Jun24 Sep24 Dec24 Mar25 Jun25 Sep25 Dec25 Mar26
Days 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 141.65 96.14 133.50 61.81 95.75

FRA:WIJ vs PRG, VSTS, CTOS: Days Inventory Comparison

For the Rental & Leasing Services subindustry, Willis Lease Finance'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.


Willis Lease Finance Days Inventory vs Business Services Industry

For the Business Services industry and Industrials sector, Willis Lease Finance's Days Inventory distribution charts can be found below:

* The bar in red indicates where Willis Lease Finance's Days Inventory falls into.


FRA:WIJ
89GF Score
Willis Lease Finance Corp FRA:WIJ
Days Inventory is just one metric. See GF Score™, valuation, warning signs, and more.
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Willis Lease Finance Days Inventory Calculation

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

Willis Lease Finance's Days Inventory for the fiscal year that ended in Dec. 2025 is calculated as

Days Inventory (A: Dec. 2025 )
=Average Total Inventories / Cost of Goods Sold*Days in Period
=( (Total Inventories (A: Dec. 2024 ) + Total Inventories (A: Dec. 2025 )) / count ) / Cost of Goods Sold (A: Dec. 2025 )*Days in Period
=( (68.903 + 48.317) / 2 ) / 197.908*365
=58.61 / 197.908*365
=108.09

Willis Lease Finance's Days Inventory for the quarter that ended in Mar. 2026 is calculated as:

Days Inventory (Q: Mar. 2026 )
=Average Total Inventories / Cost of Goods Sold*Days in Period
=( (Total Inventories (Q: Dec. 2025 ) + Total Inventories (Q: Mar. 2026 )) / count ) / Cost of Goods Sold (Q: Mar. 2026 )*Days in Period
=( (48.317 + 48.718) / 2 ) / 46.238*365 / 4
=48.5175 / 46.238*365 / 4
=95.75

* 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 Days Inventory →
What does a Days Inventory of 95.75 mean?
Willis Lease Finance (FRA:WIJ) has a Days Inventory of 95.75 as of Mar. 2026. Days inventory represents the average amount of days a company holds inventory before selling it. View historical data on Willis Lease Finance and its competitors. This is 15% below median its historical median of 112.57. Over the past decade, Willis Lease Finance's Days Inventory has ranged from 71.42 to 191.09. According to the industry distribution chart, Willis Lease Finance ranks #503 out of 673 companies in the Business Services industry, placing it in the top 74.7%.
Is Willis Lease Finance's Days Inventory too high?
Willis Lease Finance's current Days Inventory of 95.75 is 15% below median its 10-year median of 112.57. Over the past 10 years, this metric has ranged from a low of 71.42 to a high of 191.09. The Business Services industry median Days Inventory is 25.24. Willis Lease Finance's value of 95.75 is 279.4% above this industry median. Based on the distribution chart, Willis Lease Finance ranks #503 out of 673 companies in the Business Services industry, which is below the industry midpoint. Overall, Willis Lease Finance has a GF Score™ of 89/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Willis Lease Finance's Days Inventory compare to PRG and VSTS?
According to the Business Services industry distribution chart, Willis Lease Finance ranks #503 out of 673 companies for Days Inventory. This places Willis Lease Finance in the lower half of its industry. The industry median Days Inventory is 25.24. Willis Lease Finance's value of 95.75 is 279.4% above this benchmark. Historically, Willis Lease Finance's own Days Inventory has ranged from 71.42 to 191.09 over the past decade. While the company's 10-year median is 112.57 vs. the industry median of 25.24, Willis Lease Finance 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 Business Services company?
The median Days Inventory among Business Services companies is 25.24, based on 673 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. Willis Lease Finance's current Days Inventory of 95.75 is 279.4% 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 Willis Lease Finance and its competitors. For the Business Services industry, the median Days Inventory is 25.24 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Willis Lease Finance's current Days Inventory is 95.75, which is 15% below median its own 10-year median of 112.57. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Willis Lease Finance stock overvalued right now?
Based on GuruFocus' analysis, Willis Lease Finance (FRA:WIJ) is currently considered Significantly Overvalued. The stock's GF Value™ is €40.82, compared to a current price of €58.00 — trading 42.1% above its estimated fair value. The current Days Inventory is 95.75, which is 15% below median its 10-year median of 112.57 and 279.4% above the Business Services industry median of 25.24. Willis Lease Finance's overall GF Score™ is 89/100 with 9 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 Willis Lease Finance (FRA:WIJ), the current Days Inventory is 95.75 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 Willis Lease Finance (FRA:WIJ) Overvalued in 2026?

Based on GuruFocus' analysis, Willis Lease Finance stock appears to be overvalued. The current stock price of €58.00 is trading 42.1% above its estimated GF Value™ of €40.82. GuruFocus considers Willis Lease Finance to be Significantly Overvalued.

Key valuation signals for FRA:WIJ:

  • Days Inventory: 95.75 (15% below median its 10-year median of 112.57)
  • GF Value™: €40.82 vs. price of €58.00 (42.1% above fair value)
  • GF Score™: 89/100 with 9 warning signs
  • Industry Position: 279.4% above the Business Services median (#503 of 673)

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


Willis Lease Finance Business Description

Other Exchanges WLFC:USA
Address 4700 Lyons Technology Parkway, Coconut Creek, FL, USA, 33073
Willis Lease Finance Corp, with its subsidiaries, is a lessor and servicer of commercial aircraft and aircraft engines. The company has two reportable business segments, which include Leasing and Related Operations and Spare Parts Sales. A majority of its revenue is generated from the Leasing and Related Operations segment, which involves acquiring and leasing, under operating leases, commercial aircraft, aircraft engines, and other aircraft equipment and the selective purchase and resale of commercial aircraft engines, aircraft equipment, and other related businesses. Geographically, the company derives maximum Lease rent revenue from the United States, followed by Europe, Asia-Pacific (excluding India), India, South America, Canada, Central America, and the Middle East.
89GF Score

Get the complete analysis for FRA:WIJ

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

€58.00
Price
€40.82
GF Value