BYD Co (FRA:BY6) Days Inventory: 110.03 (As of Mar. 2026) — 51% Above Median


FRA:BY6 BYD Co Ltd FRA:BY6
94 GF Score
Price €9.51
GF Value €10.85
Valuation Modestly Undervalued
! 5 Warning Signs
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What is BYD Co Days Inventory?

BYD Co FRA:BY6 +6.34% 94 Days Inventory is 110.03 as of Mar. 2026, which is 51% above its 10-year median of 72.97. GuruFocus rates FRA:BY6 with a GF Score™ of 94/100 and a GF Value™ of €10.85 (Modestly Undervalued). The stock has 5 warning signs investors should review. Among 1,293 Vehicles & Parts companies, BYD Co ranks worse than 53.13% on this metric.

Days Inventory is also known as Days Sales of Inventory (DSI). BYD Co's Average Total Inventories for the three months ended in Mar. 2026 was €18,458 Mil. BYD Co's Cost of Goods Sold for the three months ended in Mar. 2026 was €15,308 Mil. Hence, BYD Co's Days Inventory for the three months ended in Mar. 2026 was 110.03.

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

FRA:BY6' s Days Inventory Range Over the Past 10 Years
Min: 59.38   Med: 72.97   Max: 88.59
Current: 84.27

During the past 13 years, BYD Co's highest Days Inventory was 88.59. The lowest was 59.38. And the median was 72.97.

FRA:BY6's Days Inventory is ranked worse than
53.13% of 1293 companies
in the Vehicles & Parts industry
Industry Median: 80.33 vs FRA:BY6: 84.27

BYD Co's Days Inventory increased from Mar. 2025 (91.69) to Mar. 2026 (110.03). It might indicate that BYD Co's sales slowed down.

Inventory Turnover measures how fast the company turns over its inventory within a year. BYD Co's Inventory Turnover for the three months ended in Mar. 2026 was 0.83.

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. BYD Co's Inventory-to-Revenue for the three months ended in Mar. 2026 was 0.98.


BYD Co  (FRA:BY6) 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.

BYD Co'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.

BYD Co'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.


BYD Co Days Inventory Related Terms


BYD Co Days Inventory Historical Data

* Premium members only.

The historical data trend for BYD Co'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.

BYD Co Days Inventory Chart

BYD Co 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 69.66 64.11 63.67 58.85 72.84

BYD Co 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 91.69 82.44 83.83 67.26 110.03

FRA:BY6 vs TSLA, GM, F: Days Inventory Comparison

For the Auto Manufacturers subindustry, BYD Co'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.


BYD Co Days Inventory vs Vehicles & Parts Industry

For the Vehicles & Parts industry and Consumer Cyclical sector, BYD Co's Days Inventory distribution charts can be found below:

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


FRA:BY6
94GF Score
BYD Co Ltd FRA:BY6
Days Inventory is just one metric. See GF Score™, valuation, warning signs, and more.
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BYD Co Days Inventory Calculation

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

BYD Co'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
=( (15220.323 + 16783.731) / 2 ) / 80184.378*365
=16002.027 / 80184.378*365
=72.84

BYD Co'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
=( (16783.731 + 20132.863) / 2 ) / 15308.422*365 / 4
=18458.297 / 15308.422*365 / 4
=110.03

* 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 110.03 mean?
BYD Co (FRA:BY6) has a Days Inventory of 110.03 as of Mar. 2026. Days inventory represents the average amount of days a company holds inventory before selling it. View historical data on BYD Co and its competitors. This is 51% above median its historical median of 72.97. Over the past decade, BYD Co's Days Inventory has ranged from 59.38 to 88.59. According to the industry distribution chart, BYD Co ranks #687 out of 1293 companies in the Vehicles & Parts industry, placing it in the top 53.1%.
Is BYD Co's Days Inventory too high?
BYD Co's current Days Inventory of 110.03 is 51% above median its 10-year median of 72.97. Over the past 10 years, this metric has ranged from a low of 59.38 to a high of 88.59. The Vehicles & Parts industry median Days Inventory is 80.33. BYD Co's value of 110.03 is 37% above this industry median. Based on the distribution chart, BYD Co ranks #687 out of 1293 companies in the Vehicles & Parts industry, which is below the industry midpoint. Overall, BYD Co has a GF Score™ of 94/100 and is considered Modestly Undervalued, reflecting its overall financial health beyond just this single metric.
How does BYD Co's Days Inventory compare to TSLA and GM?
According to the Vehicles & Parts industry distribution chart, BYD Co ranks #687 out of 1293 companies for Days Inventory. This places BYD Co in the lower half of its industry. The industry median Days Inventory is 80.33. BYD Co's value of 110.03 is 37% above this benchmark. Historically, BYD Co's own Days Inventory has ranged from 59.38 to 88.59 over the past decade. While the company's 10-year median is 72.97 vs. the industry median of 80.33, BYD Co 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 Vehicles & Parts company?
The median Days Inventory among Vehicles & Parts companies is 80.33, based on 1,293 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. BYD Co's current Days Inventory of 110.03 is 37% 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 BYD Co and its competitors. For the Vehicles & Parts industry, the median Days Inventory is 80.33 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. BYD Co's current Days Inventory is 110.03, which is 51% above median its own 10-year median of 72.97. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is BYD Co stock overvalued right now?
Based on GuruFocus' analysis, BYD Co (FRA:BY6) is currently considered Modestly Undervalued. The stock's GF Value™ is €10.85, compared to a current price of €9.51 — trading 12.4% below its estimated fair value. The current Days Inventory is 110.03, which is 51% above median its 10-year median of 72.97 and 37% above the Vehicles & Parts industry median of 80.33. BYD Co's overall GF Score™ is 94/100 with 5 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 BYD Co (FRA:BY6), the current Days Inventory is 110.03 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 BYD Co (FRA:BY6) Overvalued in 2026?

Based on GuruFocus' analysis, BYD Co stock appears to be undervalued. The current stock price of €9.51 is trading 12.4% below its estimated GF Value™ of €10.85. GuruFocus considers BYD Co to be Modestly Undervalued.

Key valuation signals for FRA:BY6:

  • Days Inventory: 110.03 (51% above median its 10-year median of 72.97)
  • GF Value™: €10.85 vs. price of €9.51 (12.4% below fair value)
  • GF Score™: 94/100 with 5 warning signs
  • Industry Position: 37% above the Vehicles & Parts median (#687 of 1293)

No single metric tells the full story. See the FRA:BY6 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.


BYD Co Business Description

Address Unit 505-510, 1 Science Park E Avenue, 5th Floor, Core Building 1E, Pak Shek Kok, Tai Po, HKG
Founded in 1995, BYD is a leading Chinese manufacturer in the design, development, and production of new energy vehicles, or NEVs. In March 2022, the firm discontinued production of internal combustion engine, or ICE, vehicles. Its products primarily target the growing midpriced mass-market segment in China's passenger vehicle market. The company sold about 4.6 million passenger NEVs in 2025, accounting for 30% of the Chinese passenger NEV market. Besides automobile production, the company is also engaged in handset components and assembly services, as well as the rechargeable battery and photovoltaics business. After more than 25 years of development, the company has established over 30 industrial parks worldwide.
94GF Score

Get the complete analysis for FRA:BY6

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

€9.51
Price
€10.85
GF Value