Stem (STEM) Days Inventory: 25.87 (As of Mar. 2026) — 30% Below Median


STEM Stem Inc STEM
60 GF Score
Price $7.23
GF Value $11.63
Valuation Possible Value Trap
! 5 Warning Signs
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What is Stem Days Inventory?

Stem STEM -2.95% 60 Days Inventory is 25.87 as of Mar. 2026, which is 30% below its 10-year median of 36.73. GuruFocus rates STEM with a GF Score™ of 60/100 and a GF Value™ of $11.63 (Possible Value Trap). The stock has 5 warning signs investors should review. Among 332 Utilities - Independent Power Producers companies, Stem ranks better than 56.33% on this metric.

Days Inventory is also known as Days Sales of Inventory (DSI). Stem's Average Total Inventories for the three months ended in Mar. 2026 was $5.1 Mil. Stem's Cost of Goods Sold for the three months ended in Mar. 2026 was $18.1 Mil. Hence, Stem's Days Inventory for the three months ended in Mar. 2026 was 25.87.

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

STEM' s Days Inventory Range Over the Past 10 Years
Min: 13.97   Med: 36.73   Max: 189.16
Current: 22.8

During the past 7 years, Stem's highest Days Inventory was 189.16. The lowest was 13.97. And the median was 36.73.

STEM's Days Inventory is ranked better than
56.33% of 332 companies
in the Utilities - Independent Power Producers industry
Industry Median: 28.315 vs STEM: 22.80

Stem's Days Inventory declined from Mar. 2025 (41.02) to Mar. 2026 (25.87).

Inventory Turnover measures how fast the company turns over its inventory within a year. Stem's Inventory Turnover for the three months ended in Mar. 2026 was 3.53.

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. Stem's Inventory-to-Revenue for the three months ended in Mar. 2026 was 0.18.


Stem  (NYSE:STEM) 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.

Stem'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.

Stem'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.


Stem Days Inventory Related Terms


Stem Days Inventory Historical Data

* Premium members only.

The historical data trend for Stem'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.

Stem Days Inventory Chart

Stem Annual Data
Trend Dec19 Dec20 Dec21 Dec22 Dec23 Dec24 Dec25
Days Inventory
Get a 7-Day Free Trial 63.04 17.20 13.97 44.07 29.38

Stem 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 41.02 23.97 18.07 18.46 25.87

STEM vs NXXT, AGIG, VGAS: Days Inventory Comparison

For the Utilities - Renewable subindustry, Stem'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.


Stem Days Inventory vs Utilities - Independent Power Producers Industry

For the Utilities - Independent Power Producers industry and Utilities sector, Stem's Days Inventory distribution charts can be found below:

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


STEM
60GF Score
Stem Inc STEM
Days Inventory is just one metric. See GF Score™, valuation, warning signs, and more.
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Stem Days Inventory Calculation

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

Stem'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
=( (10.92 + 4.587) / 2 ) / 96.31*365
=7.7535 / 96.31*365
=29.38

Stem'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
=( (4.587 + 5.698) / 2 ) / 18.141*365 / 4
=5.1425 / 18.141*365 / 4
=25.87

* 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 25.87 mean?
Stem (STEM) has a Days Inventory of 25.87 as of Mar. 2026. Days inventory represents the average amount of days a company holds inventory before selling it. View historical data on Stem and its competitors. This is 30% below median its historical median of 36.73. Over the past decade, Stem's Days Inventory has ranged from 13.97 to 189.16. According to the industry distribution chart, Stem ranks #145 out of 332 companies in the Utilities - Independent Power Producers industry, placing it in the top 43.7%.
Is Stem's Days Inventory too high?
Stem's current Days Inventory of 25.87 is 30% below median its 10-year median of 36.73. Over the past 10 years, this metric has ranged from a low of 13.97 to a high of 189.16. The Utilities - Independent Power Producers industry median Days Inventory is 28.32. Stem's value of 25.87 is 8.6% below this industry median. Based on the distribution chart, Stem ranks #145 out of 332 companies in the Utilities - Independent Power Producers industry, which is above the industry midpoint. Overall, Stem has a GF Score™ of 60/100 and is considered Possible Value Trap, reflecting its overall financial health beyond just this single metric.
How does Stem's Days Inventory compare to NXXT and AGIG?
According to the Utilities - Independent Power Producers industry distribution chart, Stem ranks #145 out of 332 companies for Days Inventory. This puts Stem in the upper half of its industry. The industry median Days Inventory is 28.32. Stem's value of 25.87 is 8.6% below this benchmark. Historically, Stem's own Days Inventory has ranged from 13.97 to 189.16 over the past decade. While the company's 10-year median is 36.73 vs. the industry median of 28.32, Stem 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 an Utilities - Independent Power Producers company?
The median Days Inventory among Utilities - Independent Power Producers companies is 28.32, based on 332 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. Stem's current Days Inventory of 25.87 is 8.6% 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 Stem and its competitors. For the Utilities - Independent Power Producers industry, the median Days Inventory is 28.32 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Stem's current Days Inventory is 25.87, which is 30% below median its own 10-year median of 36.73. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Stem stock overvalued right now?
Based on GuruFocus' analysis, Stem (STEM) is currently considered Possible Value Trap. The stock's GF Value™ is $11.63, compared to a current price of $7.23 — trading 37.8% below its estimated fair value. The current Days Inventory is 25.87, which is 30% below median its 10-year median of 36.73 and 8.6% below the Utilities - Independent Power Producers industry median of 28.32. Stem's overall GF Score™ is 60/100 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 Stem (STEM), the current Days Inventory is 25.87 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 Stem (STEM) Overvalued in 2026?

Based on GuruFocus' analysis, Stem stock appears to be undervalued. The current stock price of $7.23 is trading 37.8% below its estimated GF Value™ of $11.63. GuruFocus considers Stem to be Possible Value Trap.

Key valuation signals for STEM:

  • Days Inventory: 25.87 (30% below median its 10-year median of 36.73)
  • GF Value™: $11.63 vs. price of $7.23 (37.8% below fair value)
  • GF Score™: 60/100 with 5 warning signs
  • Industry Position: 8.6% below the Utilities - Independent Power Producers median (#145 of 332)

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


Stem Business Description

Other Exchanges 5QQ:Germany
Address 1400 Post Oak Boulevard, Suite 560, Houston, TX, USA, 77056
Stem Inc is a provider of energy storage systems. The company bundles third-party hardware with its proprietary Athena software to provide customers a turnkey solution. Stem sells its solutions to commercial and industrial customers as well as independent power producers and renewable developers. Its solutions help customers maximize renewable energy generation and help build a cleaner and more resilient grid. The Company operates as one operating segment that is focused exclusively on technology services that transform the way energy is distributed and consumed.
60GF Score

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

$7.23
Price
$11.63
GF Value