Ambarella (MIL:1AMBA) Days Inventory: 144.58 (As of Apr. 2026) — 43% Above Median


MIL:1AMBA Ambarella Inc MIL:1AMBA
48 GF Score
Price €55.14
GF Value €74.65
Valuation Modestly Undervalued
! 2 Warning Signs
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What is Ambarella Days Inventory?

Ambarella MIL:1AMBA 48 Days Inventory is 144.58 as of Apr. 2026, which is 43% above its 10-year median of 100.81. GuruFocus rates MIL:1AMBA with a GF Score™ of 48/100 and a GF Value™ of €74.65 (Modestly Undervalued). The stock has 2 warning signs investors should review. Among 981 Semiconductors companies, Ambarella ranks better than 52.19% on this metric.

Days Inventory is also known as Days Sales of Inventory (DSI). Ambarella's Average Total Inventories for the three months ended in Apr. 2026 was €56.6 Mil. Ambarella's Cost of Goods Sold for the three months ended in Apr. 2026 was €35.7 Mil. Hence, Ambarella's Days Inventory for the three months ended in Apr. 2026 was 144.58.

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

MIL:1AMBA' s Days Inventory Range Over the Past 10 Years
Min: 66.41   Med: 100.81   Max: 141.53
Current: 107.12

During the past 13 years, Ambarella's highest Days Inventory was 141.53. The lowest was 66.41. And the median was 100.81.

MIL:1AMBA's Days Inventory is ranked better than
52.19% of 981 companies
in the Semiconductors industry
Industry Median: 111.84 vs MIL:1AMBA: 107.12

Ambarella's Days Inventory increased from Apr. 2025 (101.86) to Apr. 2026 (144.58). It might indicate that Ambarella's sales slowed down.

Inventory Turnover measures how fast the company turns over its inventory within a year. Ambarella's Inventory Turnover for the three months ended in Apr. 2026 was 0.63.

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. Ambarella's Inventory-to-Revenue for the three months ended in Apr. 2026 was 0.66.


Ambarella  (MIL:1AMBA) 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.

Ambarella's Inventory Turnover for the three months ended in Apr. 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.

Ambarella's Inventory to Revenue for the three months ended in Apr. 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.


Ambarella Days Inventory Related Terms


Ambarella Days Inventory Historical Data

* Premium members only.

The historical data trend for Ambarella'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.

Ambarella Days Inventory Chart

Ambarella Annual Data
Trend Jan17 Jan18 Jan19 Jan20 Jan21 Jan22 Jan23 Jan24 Jan25 Jan26
Days Inventory
Get a 7-Day Free Trial Premium Member Only Premium Member Only 102.43 118.52 142.43 100.59 104.54

Ambarella Quarterly Data
Jul21 Oct21 Jan22 Apr22 Jul22 Oct22 Jan23 Apr23 Jul23 Oct23 Jan24 Apr24 Jul24 Oct24 Jan25 Apr25 Jul25 Oct25 Jan26 Apr26
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 101.86 86.66 75.81 99.80 144.58

MIL:1AMBA vs AEHR, COHU, ICHR: Days Inventory Comparison

For the Semiconductor Equipment & Materials subindustry, Ambarella'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.


Ambarella Days Inventory vs Semiconductors Industry

For the Semiconductors industry and Technology sector, Ambarella's Days Inventory distribution charts can be found below:

* The bar in red indicates where Ambarella's Days Inventory falls into.


MIL:1AMBA
48GF Score
Ambarella Inc MIL:1AMBA
Days Inventory is just one metric. See GF Score™, valuation, warning signs, and more.
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Ambarella Days Inventory Calculation

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

Ambarella's Days Inventory for the fiscal year that ended in Jan. 2026 is calculated as

Days Inventory (A: Jan. 2026 )
=Average Total Inventories / Cost of Goods Sold*Days in Period
=( (Total Inventories (A: Jan. 2025 ) + Total Inventories (A: Jan. 2026 )) / count ) / Cost of Goods Sold (A: Jan. 2026 )*Days in Period
=( (33.257 + 44.461) / 2 ) / 135.68*365
=38.859 / 135.68*365
=104.54

Ambarella's Days Inventory for the quarter that ended in Apr. 2026 is calculated as:

Days Inventory (Q: Apr. 2026 )
=Average Total Inventories / Cost of Goods Sold*Days in Period
=( (Total Inventories (Q: Jan. 2026 ) + Total Inventories (Q: Apr. 2026 )) / count ) / Cost of Goods Sold (Q: Apr. 2026 )*Days in Period
=( (44.461 + 68.704) / 2 ) / 35.711*365 / 4
=56.5825 / 35.711*365 / 4
=144.58

* 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 144.58 mean?
Ambarella (MIL:1AMBA) has a Days Inventory of 144.58 as of Apr. 2026. Days inventory represents the average amount of days a company holds inventory before selling it. View historical data on Ambarella and its competitors. This is 43% above median its historical median of 100.81. Over the past decade, Ambarella's Days Inventory has ranged from 66.41 to 141.53. According to the industry distribution chart, Ambarella ranks #469 out of 981 companies in the Semiconductors industry, placing it in the top 47.8%.
Is Ambarella's Days Inventory too high?
Ambarella's current Days Inventory of 144.58 is 43% above median its 10-year median of 100.81. Over the past 10 years, this metric has ranged from a low of 66.41 to a high of 141.53. The Semiconductors industry median Days Inventory is 111.84. Ambarella's value of 144.58 is 29.3% above this industry median. Based on the distribution chart, Ambarella ranks #469 out of 981 companies in the Semiconductors industry, which is above the industry midpoint. Overall, Ambarella has a GF Score™ of 48/100 and is considered Modestly Undervalued, reflecting its overall financial health beyond just this single metric.
How does Ambarella's Days Inventory compare to AEHR and COHU?
According to the Semiconductors industry distribution chart, Ambarella ranks #469 out of 981 companies for Days Inventory. This puts Ambarella in the upper half of its industry. The industry median Days Inventory is 111.84. Ambarella's value of 144.58 is 29.3% above this benchmark. Historically, Ambarella's own Days Inventory has ranged from 66.41 to 141.53 over the past decade. While the company's 10-year median is 100.81 vs. the industry median of 111.84, Ambarella 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 Semiconductors company?
The median Days Inventory among Semiconductors companies is 111.84, based on 981 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. Ambarella's current Days Inventory of 144.58 is 29.3% 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 Ambarella and its competitors. For the Semiconductors industry, the median Days Inventory is 111.84 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Ambarella's current Days Inventory is 144.58, which is 43% above median its own 10-year median of 100.81. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Ambarella stock overvalued right now?
Based on GuruFocus' analysis, Ambarella (MIL:1AMBA) is currently considered Modestly Undervalued. The stock's GF Value™ is €74.65, compared to a current price of €55.14 — trading 26.1% below its estimated fair value. The current Days Inventory is 144.58, which is 43% above median its 10-year median of 100.81 and 29.3% above the Semiconductors industry median of 111.84. Ambarella's overall GF Score™ is 48/100 with 2 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 Ambarella (MIL:1AMBA), the current Days Inventory is 144.58 as of Apr. 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 Ambarella (MIL:1AMBA) Overvalued in 2026?

Based on GuruFocus' analysis, Ambarella stock appears to be undervalued. The current stock price of €55.14 is trading 26.1% below its estimated GF Value™ of €74.65. GuruFocus considers Ambarella to be Modestly Undervalued.

Key valuation signals for MIL:1AMBA:

  • Days Inventory: 144.58 (43% above median its 10-year median of 100.81)
  • GF Value™: €74.65 vs. price of €55.14 (26.1% below fair value)
  • GF Score™: 48/100 with 2 warning signs
  • Industry Position: 29.3% above the Semiconductors median (#469 of 981)

No single metric tells the full story. See the MIL:1AMBA stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.


Ambarella Business Description

Address 3001 Tasman Drive, Santa Clara, CA, USA, 95054
Ambarella Inc is a developer of low-power system-on-a-chip, or SoC, semiconductors and software for edge and physical artificial intelligence (AI) applications and intelligent automation. Its products are used in a wide variety of human viewing, computer vision for edge and physical AI applications, including a variety of video security cameras, automotive camera systems, fixed robots, autonomous mobile robots (AMRs), industrial applications, intelligent transportation systems, and consumer devices, such as action, drone and 360 degree cameras. The company operates as a single operating and reportable segment and derives substantially all of its revenue from development and sales of low-power AI-based processing and video and image processing SoC solutions.
48GF Score

Get the complete analysis for MIL:1AMBA

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

€55.14
Price
€74.65
GF Value