ASTI (Ascent Solar Technologies) Days Inventory: 712.65 (As of Mar. 2026) — 164% Above Median


ASTI Ascent Solar Technologies Inc ASTI
31 GF Score
Price $4.86
GF Value $0.25
Valuation Significantly Overvalued
! 6 Warning Signs
View Full Analysis

What is Ascent Solar Technologies Days Inventory?

Ascent Solar Technologies ASTI -2.20% 31 Days Inventory is 712.65 as of Mar. 2026, which is 164% above its 10-year median of 269.70. GuruFocus rates ASTI with a GF Score™ of 31/100 and a GF Value™ of $0.25 (Significantly Overvalued). The stock has 6 warning signs investors should review. Among 981 Semiconductors companies, Ascent Solar Technologies ranks worse than 97.76% on this metric.

Days Inventory is also known as Days Sales of Inventory (DSI). Ascent Solar Technologies's Average Total Inventories for the three months ended in Mar. 2026 was $0.55 Mil. Ascent Solar Technologies's Cost of Goods Sold for the three months ended in Mar. 2026 was $0.07 Mil. Hence, Ascent Solar Technologies's Days Inventory for the three months ended in Mar. 2026 was 712.65.

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

ASTI' s Days Inventory Range Over the Past 10 Years
Min: 102.44   Med: 269.7   Max: 1113.77
Current: 735.68

During the past 13 years, Ascent Solar Technologies's highest Days Inventory was 1113.77. The lowest was 102.44. And the median was 269.70.

ASTI's Days Inventory is ranked worse than
97.76% of 981 companies
in the Semiconductors industry
Industry Median: 111.84 vs ASTI: 735.68

Ascent Solar Technologies's Days Inventory declined from Mar. 2025 (1,716.64) to Mar. 2026 (712.65).

Inventory Turnover measures how fast the company turns over its inventory within a year. Ascent Solar Technologies's Inventory Turnover for the three months ended in Mar. 2026 was 0.13.

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. Ascent Solar Technologies's Inventory-to-Revenue for the three months ended in Mar. 2026 was 10.66.


Ascent Solar Technologies  (NAS:ASTI) 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.

Ascent Solar Technologies'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.

Ascent Solar Technologies'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.


Ascent Solar Technologies Days Inventory Related Terms


Ascent Solar Technologies Days Inventory Historical Data

* Premium members only.

The historical data trend for Ascent Solar Technologies'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.

Ascent Solar Technologies Days Inventory Chart

Ascent Solar Technologies 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 107.98 109.48 102.44 1,109.80 923.62

Ascent Solar Technologies 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 1,716.64 1,428.53 461.38 817.93 712.65

ASTI vs PN, SPRU, FTCI: Days Inventory Comparison

For the Solar subindustry, Ascent Solar Technologies'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.


Ascent Solar Technologies Days Inventory vs Semiconductors Industry

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

* The bar in red indicates where Ascent Solar Technologies's Days Inventory falls into.


ASTI
31GF Score
Ascent Solar Technologies Inc ASTI
Days Inventory is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

Ascent Solar Technologies Days Inventory Calculation

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

Ascent Solar Technologies'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
=( (0.453 + 0.544) / 2 ) / 0.197*365
=0.4985 / 0.197*365
=923.62

Ascent Solar Technologies'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
=( (0.544 + 0.565) / 2 ) / 0.071*365 / 4
=0.5545 / 0.071*365 / 4
=712.65

* 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 712.65 mean?
Ascent Solar Technologies (ASTI) has a Days Inventory of 712.65 as of Mar. 2026. Days inventory represents the average amount of days a company holds inventory before selling it. View historical data on Ascent Solar Technologies and its competitors. This is 164% above median its historical median of 269.70. Over the past decade, Ascent Solar Technologies' Days Inventory has ranged from 102.44 to 1,113.77. According to the industry distribution chart, Ascent Solar Technologies ranks #959 out of 981 companies in the Semiconductors industry, placing it in the top 97.8%.
Is Ascent Solar Technologies' Days Inventory too high?
Ascent Solar Technologies' current Days Inventory of 712.65 is 164% above median its 10-year median of 269.70. Over the past 10 years, this metric has ranged from a low of 102.44 to a high of 1,113.77. The Semiconductors industry median Days Inventory is 111.84. Ascent Solar Technologies' value of 712.65 is 537.2% above this industry median. Based on the distribution chart, Ascent Solar Technologies ranks #959 out of 981 companies in the Semiconductors industry, which is in the bottom quartile relative to peers. Overall, Ascent Solar Technologies has a GF Score™ of 31/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Ascent Solar Technologies' Days Inventory compare to PN and SPRU?
According to the Semiconductors industry distribution chart, Ascent Solar Technologies ranks #959 out of 981 companies for Days Inventory. This places Ascent Solar Technologies in the lower half of its industry. The industry median Days Inventory is 111.84. Ascent Solar Technologies' value of 712.65 is 537.2% above this benchmark. Historically, Ascent Solar Technologies' own Days Inventory has ranged from 102.44 to 1,113.77 over the past decade. While the company's 10-year median is 269.70 vs. the industry median of 111.84, Ascent Solar Technologies 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. Ascent Solar Technologies's current Days Inventory of 712.65 is 537.2% 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 Ascent Solar Technologies 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. Ascent Solar Technologies's current Days Inventory is 712.65, which is 164% above median its own 10-year median of 269.70. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Ascent Solar Technologies stock overvalued right now?
Based on GuruFocus' analysis, Ascent Solar Technologies (ASTI) is currently considered Significantly Overvalued. The stock's GF Value™ is $0.25, compared to a current price of $4.86 — trading 1844% above its estimated fair value. The current Days Inventory is 712.65, which is 164% above median its 10-year median of 269.70 and 537.2% above the Semiconductors industry median of 111.84. Ascent Solar Technologies' overall GF Score™ is 31/100 with 6 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 Ascent Solar Technologies (ASTI), the current Days Inventory is 712.65 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 Ascent Solar Technologies (ASTI) Overvalued in 2026?

Based on GuruFocus' analysis, Ascent Solar Technologies stock appears to be overvalued. The current stock price of $4.86 is trading 1844% above its estimated GF Value™ of $0.25. GuruFocus considers Ascent Solar Technologies to be Significantly Overvalued.

Key valuation signals for ASTI:

  • Days Inventory: 712.65 (164% above median its 10-year median of 269.70)
  • GF Value™: $0.25 vs. price of $4.86 (1844% above fair value)
  • GF Score™: 31/100 with 6 warning signs
  • Industry Position: 537.2% above the Semiconductors median (#959 of 981)

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


Ascent Solar Technologies Business Description

Other Exchanges A8M:Germany
Address 12300 Grant Street, Thornton, CO, USA, 80241
Ascent Solar Technologies Inc is a solar technology company that manufactures and sells photovoltaic (PV) solar modules that are flexible, durable, and possess attractive power to weight and power to area performance. Its technology provides renewable power solutions to high-value production and specialty solar markets where traditional rigid solar panels are not suitable, including space power beaming, aerospace, satellites, near earth orbiting vehicles, fixed wing unmanned aerial vehicles (UAV), aquatic, terrestrial, and other weight-sensitive markets with transformational high quality, value added product applications. It operates in single PV segment that sells PV products and engineering services and currently, is selling it in North America.
31GF Score

Get the complete analysis for ASTI

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

$4.86
Price
$0.25
GF Value