Allison Transmission HoldingsALSN -3.76%95 Days Inventory is 52.51 as of Mar. 2026, which is 4% below its 10-year median of 54.48. GuruFocus rates ALSN with a GF Score™ of 95/100 and a GF Value™ of $124.53 (Fairly Valued). The stock has 3 warning signs investors should review. Among 1,297 Vehicles & Parts companies, Allison Transmission Holdings ranks better than 55.13% on this metric.
Inventory Turnover measures how fast the company turns over its inventory within a year.
Allison Transmission Holdings's Inventory Turnover for the
three
months ended in Mar. 2026 was 1.74.
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.
Allison Transmission Holdings's Inventory-to-Revenue for the
three
months ended in Mar. 2026 was 0.41.
Allison Transmission Holdings (NYSE:ALSN) 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.
Allison Transmission Holdings'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.
Allison Transmission Holdings'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.
Allison Transmission Holdings Days Inventory Related Terms
Allison Transmission Holdings 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.
Allison Transmission Holdings Days Inventory Chart
For the Auto Parts subindustry, Allison Transmission Holdings'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.
Allison Transmission Holdings Days Inventory vs Vehicles & Parts Industry
For the Vehicles & Parts industry and Consumer Cyclical sector, Allison Transmission Holdings's Days Inventory distribution charts can be found below:
* The bar in red indicates where Allison Transmission Holdings'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.
Allison Transmission Holdings (ALSN) has a Days Inventory of 52.51 as of Mar. 2026. Days inventory represents the average amount of days a company holds inventory before selling it. View historical data on Allison Transmission Holdings and its competitors. This is near median its historical median of 54.48. Over the past decade, Allison Transmission Holdings' Days Inventory has ranged from 45.18 to 74.44. According to the industry distribution chart, Allison Transmission Holdings ranks #582 out of 1297 companies in the Vehicles & Parts industry, placing it in the top 44.9%.
Is Allison Transmission Holdings' Days Inventory too high?
Allison Transmission Holdings' current Days Inventory of 52.51 is near median its 10-year median of 54.48. Over the past 10 years, this metric has ranged from a low of 45.18 to a high of 74.44. The Vehicles & Parts industry median Days Inventory is 80.53. Allison Transmission Holdings' value of 52.51 is 34.8% below this industry median. Based on the distribution chart, Allison Transmission Holdings ranks #582 out of 1297 companies in the Vehicles & Parts industry, which is above the industry midpoint. Overall, Allison Transmission Holdings has a GF Score™ of 95/100 and is considered Fairly Valued, reflecting its overall financial health beyond just this single metric.
How does Allison Transmission Holdings' Days Inventory compare to ALV and MBLY?
According to the Vehicles & Parts industry distribution chart, Allison Transmission Holdings ranks #582 out of 1297 companies for Days Inventory. This puts Allison Transmission Holdings in the upper half of its industry. The industry median Days Inventory is 80.53. Allison Transmission Holdings' value of 52.51 is 34.8% below this benchmark. Historically, Allison Transmission Holdings' own Days Inventory has ranged from 45.18 to 74.44 over the past decade. While the company's 10-year median is 54.48 vs. the industry median of 80.53, Allison Transmission Holdings has consistently been below 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 Vehicles & Parts company?
The median Days Inventory among Vehicles & Parts companies is 80.53, based on 1,297 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. Allison Transmission Holdings's current Days Inventory of 52.51 is 34.8% below 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 Allison Transmission Holdings and its competitors. For the Vehicles & Parts industry, the median Days Inventory is 80.53 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Allison Transmission Holdings's current Days Inventory is 52.51, which is near median its own 10-year median of 54.48. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Allison Transmission Holdings stock overvalued right now?
Based on GuruFocus' analysis, Allison Transmission Holdings (ALSN) is currently considered Fairly Valued. The stock's GF Value™ is $124.53, compared to a current price of $119.84 — trading 3.8% below its estimated fair value. The current Days Inventory is 52.51, which is near median its 10-year median of 54.48 and 34.8% below the Vehicles & Parts industry median of 80.53. Allison Transmission Holdings' overall GF Score™ is 95/100 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 Allison Transmission Holdings (ALSN), the current Days Inventory is 52.51 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 Allison Transmission Holdings (ALSN) Overvalued in 2026?
Based on GuruFocus' analysis, Allison Transmission Holdings stock appears to be undervalued.
The current stock price of $119.84 is trading 3.8% below its estimated GF Value™ of $124.53.
GuruFocus considers Allison Transmission Holdings to be Fairly Valued.
Key valuation signals for ALSN:
Days Inventory: 52.51 (near median its 10-year median of 54.48)
GF Value™: $124.53 vs. price of $119.84 (3.8% below fair value)
Industry Position: 34.8% below the Vehicles & Parts median (#582 of 1297)
No single metric tells the full story. See the ALSN stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Allison Transmission Holdings Business Description
Allison Transmission is the largest manufacturer of fully automatic transmissions for medium- and heavy-duty commercial vehicles. Its automatic transmissions allow customers to achieve better fuel and operator efficiency than less expensive manual and automated manual transmissions. Allison serves several end markets, including on- and off-highway equipment and military vehicles. Its on-highway business commands approximately 60% global market share. The company's transmissions can be found in Class 4-8 trucks, buses, and a limited number of large passenger vehicles (heavy-duty pickup trucks and motorhomes). Allison also produces commercial hybrid propulsion systems and is developing fully electric powertrains.
95GF Score
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