SES (SES AI) Days Inventory: 100.56 (As of Mar. 2026) — 30% Below Median

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SES SES AI Corp SES
34 GF Score
Price $0.54
! 4 Warning Signs
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What is SES AI Days Inventory?

SES AI SES +6.72% 34 Days Inventory is 100.56 as of Mar. 2026, which is 30% below its 10-year median of 143.95. GuruFocus rates SES with a GF Score™ of 34/100. The stock has 4 warning signs investors should review. Among 1,290 Vehicles & Parts companies, SES AI ranks worse than 52.4% on this metric.

Days Inventory is also known as Days Sales of Inventory (DSI). SES AI's Average Total Inventories for the three months ended in Mar. 2026 was $6.06 Mil. SES AI's Cost of Goods Sold for the three months ended in Mar. 2026 was $5.50 Mil. Hence, SES AI's Days Inventory for the three months ended in Mar. 2026 was 100.56.

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

SES' s Days Inventory Range Over the Past 10 Years
Min: 83.92   Med: 143.95   Max: 186.87
Current: 83.92

During the past 7 years, SES AI's highest Days Inventory was 186.87. The lowest was 83.92. And the median was 143.95.

SES's Days Inventory is ranked worse than
52.4% of 1290 companies
in the Vehicles & Parts industry
Industry Median: 80.73 vs SES: 83.92

SES AI's Days Inventory increased from Mar. 2025 (13.55) to Mar. 2026 (100.56). It might indicate that SES AI's sales slowed down.

Warning Sign:

If a company builds up inventory, it may mean it is having difficulties selling its goods.

Inventory Turnover measures how fast the company turns over its inventory within a year. SES AI's Inventory Turnover for the three months ended in Mar. 2026 was 0.91.

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. SES AI's Inventory-to-Revenue for the three months ended in Mar. 2026 was 0.90.


SES AI  (NYSE:SES) 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.

SES AI'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.

SES AI'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.


SES AI Days Inventory Related Terms


SES AI Days Inventory Historical Data

* Premium members only.

The historical data trend for SES AI'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.

SES AI Days Inventory Chart

SES AI Annual Data
Trend Dec19 Dec20 Dec21 Dec22 Dec23 Dec24 Dec25
Days Inventory
Get a 7-Day Free Trial 0.00 0.00 0.00 186.87 101.03

SES AI 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 13.55 13.24 49.42 99.32 100.56

SES vs SRI, CVGI, INVZ: Days Inventory Comparison

For the Auto Parts subindustry, SES AI'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.


SES AI Days Inventory vs Vehicles & Parts Industry

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

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


SES
34GF Score
SES AI Corp SES
Days Inventory is just one metric. See GF Score™, valuation, warning signs, and more.
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SES AI Days Inventory Calculation

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

SES AI'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
=( (0.212 + 5.154) / 2 ) / 9.693*365
=2.683 / 9.693*365
=101.03

SES AI'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
=( (5.154 + 6.96) / 2 ) / 5.496*365 / 4
=6.057 / 5.496*365 / 4
=100.56

* 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 100.56 mean?
SES AI (SES) has a Days Inventory of 100.56 as of Mar. 2026. Days inventory represents the average amount of days a company holds inventory before selling it. View historical data on SES AI and its competitors. This is 30% below median its historical median of 143.95. Over the past decade, SES AI's Days Inventory has ranged from 83.92 to 186.87. According to the industry distribution chart, SES AI ranks #676 out of 1290 companies in the Vehicles & Parts industry, placing it in the top 52.4%.
Is SES AI's Days Inventory too high?
SES AI's current Days Inventory of 100.56 is 30% below median its 10-year median of 143.95. Over the past 10 years, this metric has ranged from a low of 83.92 to a high of 186.87. The Vehicles & Parts industry median Days Inventory is 80.73. SES AI's value of 100.56 is 24.6% above this industry median. Based on the distribution chart, SES AI ranks #676 out of 1290 companies in the Vehicles & Parts industry, which is below the industry midpoint. Overall, SES AI has a GF Score™ of 34/100, reflecting its overall financial health beyond just this single metric.
How does SES AI's Days Inventory compare to SRI and CVGI?
According to the Vehicles & Parts industry distribution chart, SES AI ranks #676 out of 1290 companies for Days Inventory. This places SES AI in the lower half of its industry. The industry median Days Inventory is 80.73. SES AI's value of 100.56 is 24.6% above this benchmark. Historically, SES AI's own Days Inventory has ranged from 83.92 to 186.87 over the past decade. While the company's 10-year median is 143.95 vs. the industry median of 80.73, SES AI 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 80.73, based on 1,290 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. SES AI's current Days Inventory of 100.56 is 24.6% 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 SES AI and its competitors. For the Vehicles & Parts industry, the median Days Inventory is 80.73 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. SES AI's current Days Inventory is 100.56, which is 30% below median its own 10-year median of 143.95. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is SES AI stock overvalued right now?
SES AI (SES) has a current Days Inventory of 100.56. The current Days Inventory is 100.56, which is 30% below median its 10-year median of 143.95 and 24.6% above the Vehicles & Parts industry median of 80.73. SES AI's overall GF Score™ is 34/100 with 4 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 SES AI (SES), the current Days Inventory is 100.56 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.

SES AI Business Description

Address 35 Cabot Road, Woburn, MA, USA, 01801
SES AI Corp is a developer and manufacturer of rechargeable battery technologies and battery materials for Energy Storage Systems (ESS), Urban Air Mobility (UAM), drones, robotics, electric vehicles (EVs), and other applications. For Enery Storage Systems, the company supplies hardware and software solutions with battery health and safety management software powered by its AI-based platform, Molecular Universe. Additionally, it offers battery materials and high-energy and power-density Li-Metal and Li-ion cells, which can be used for drones, UAM, robotics, and EV applications. The company also offers access to Molecular Universe as a software product. Currently, it generates maximum revenue from the development of Li-ion and Li-Metal battery materials as per the client's specifications.
34GF Score

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