TecogenTGEN +1.16%50 Days Inventory is 272.70 as of Mar. 2026, which is 54% above its 10-year median of 177.46. GuruFocus rates TGEN with a GF Score™ of 50/100 and a GF Value™ of $1.18 (Significantly Overvalued). The stock has 3 warning signs investors should review. Among 2,968 Industrial Products companies, Tecogen ranks worse than 80.32% on this metric.
Days Inventory is also known as Days Sales of Inventory (DSI). Tecogen's Average Total Inventories for the
three
months ended in Mar. 2026 was $11.20 Mil. Tecogen's Cost of Goods Sold for the
three
months ended in Mar. 2026 was $3.75 Mil.
Hence, Tecogen's Days Inventory for the
three
months ended in Mar. 2026 was 272.70.
The historical rank and industry rank for Tecogen's Days Inventory or its related term are showing as below:
TGEN'
s Days Inventory Range Over the Past 10 Years
Min: 89.27 Med: 177.46 Max: 288.95
Current: 222.02
During the past 13 years, Tecogen's highest Days Inventory was 288.95. The lowest was 89.27. And the median was 177.46.
TGEN's Days Inventory is ranked worse than 80.32% of 2968
companies
in the Industrial Products industry
Industry Median: 119.47
vs TGEN: 222.02
Tecogen's Days Inventory
increased
from Mar. 2025 (219.53) to Mar. 2026 (272.70).
It might indicate that Tecogen's sales slowed down.
Inventory Turnover measures how fast the company turns over its inventory within a year.
Tecogen's Inventory Turnover for the
three
months ended in Mar. 2026 was 0.33.
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.
Tecogen's Inventory-to-Revenue for the
three
months ended in Mar. 2026 was 1.77.
Tecogen (AMEX:TGEN) 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.
Tecogen'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.
Tecogen'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.
Tecogen Days Inventory Related Terms
Tecogen Days Inventory Historical Data
* Premium members only.
The historical data trend for Tecogen'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.
TGEN vs UTKN, SKYX, EAF: Days Inventory Comparison
For the Electrical Equipment & Parts subindustry, Tecogen'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.
Tecogen Days Inventory vs Industrial Products Industry
For the Industrial Products industry and Industrials sector, Tecogen's Days Inventory distribution charts can be found below:
* The bar in red indicates where Tecogen'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.
Tecogen (TGEN) has a Days Inventory of 272.70 as of Mar. 2026. Days inventory represents the average amount of days a company holds inventory before selling it. View historical data on Tecogen and its competitors. This is 54% above median its historical median of 177.46. Over the past decade, Tecogen's Days Inventory has ranged from 89.27 to 288.95. According to the industry distribution chart, Tecogen ranks #2384 out of 2968 companies in the Industrial Products industry, placing it in the top 80.3%.
Is Tecogen's Days Inventory too high?
Tecogen's current Days Inventory of 272.70 is 54% above median its 10-year median of 177.46. Over the past 10 years, this metric has ranged from a low of 89.27 to a high of 288.95. The Industrial Products industry median Days Inventory is 119.47. Tecogen's value of 272.70 is 128.3% above this industry median. Based on the distribution chart, Tecogen ranks #2384 out of 2968 companies in the Industrial Products industry, which is in the bottom quartile relative to peers. Overall, Tecogen has a GF Score™ of 50/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Tecogen's Days Inventory compare to UTKN and SKYX?
According to the Industrial Products industry distribution chart, Tecogen ranks #2384 out of 2968 companies for Days Inventory. This places Tecogen in the lower half of its industry. The industry median Days Inventory is 119.47. Tecogen's value of 272.70 is 128.3% above this benchmark. Historically, Tecogen's own Days Inventory has ranged from 89.27 to 288.95 over the past decade. While the company's 10-year median is 177.46 vs. the industry median of 119.47, Tecogen 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 an Industrial Products company?
The median Days Inventory among Industrial Products companies is 119.47, based on 2,968 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. Tecogen's current Days Inventory of 272.70 is 128.3% 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 Tecogen and its competitors. For the Industrial Products industry, the median Days Inventory is 119.47 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Tecogen's current Days Inventory is 272.70, which is 54% above median its own 10-year median of 177.46. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Tecogen stock overvalued right now?
Based on GuruFocus' analysis, Tecogen (TGEN) is currently considered Significantly Overvalued. The stock's GF Value™ is $1.18, compared to a current price of $5.23 — trading 343.2% above its estimated fair value. The current Days Inventory is 272.70, which is 54% above median its 10-year median of 177.46 and 128.3% above the Industrial Products industry median of 119.47. Tecogen's overall GF Score™ is 50/100 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 Tecogen (TGEN), the current Days Inventory is 272.70 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 Tecogen (TGEN) Overvalued in 2026?
Based on GuruFocus' analysis, Tecogen stock appears to be overvalued.
The current stock price of $5.23 is trading 343.2% above its estimated GF Value™ of $1.18.
GuruFocus considers Tecogen to be Significantly Overvalued.
Key valuation signals for TGEN:
Days Inventory: 272.70 (54% above median its 10-year median of 177.46)
GF Value™: $1.18 vs. price of $5.23 (343.2% above fair value)
Industry Position: 128.3% above the Industrial Products median (#2384 of 2968)
No single metric tells the full story. See the TGEN stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Tecogen Inc produces commercial and industrial, natural-gas-fueled engine-driven, combined heat and power (CHP) products that reduce energy costs, decrease greenhouse gas emissions and alleviate congestion on the national power grid. Its products supply electric power or mechanical power for cooling. The company has three business segments: Products Segment, Services Segment, and Energy Production Segment. The majority of the company's revenue is derived from the Services segment, which provides operations and maintenance (O&M) services for its products under long term service contracts.
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