ROOOF (Northstar Clean Technologies) Days Inventory: 83.73 (As of Mar. 2026) — Near Median


ROOOF Northstar Clean Technologies Inc ROOOF
17 GF Score
Price $0.13
GF Value $0.20
Valuation Possible Value Trap
! 6 Warning Signs
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What is Northstar Clean Technologies Days Inventory?

Northstar Clean Technologies ROOOF -4.82% 17 Days Inventory is 83.73 as of Mar. 2026, which is 9% above its 10-year median of 76.50. GuruFocus rates ROOOF with a GF Score™ of 17/100 and a GF Value™ of $0.20 (Possible Value Trap). The stock has 6 warning signs investors should review. Among 215 Waste Management companies, Northstar Clean Technologies ranks worse than 80.93% on this metric.

Days Inventory is also known as Days Sales of Inventory (DSI). Northstar Clean Technologies's Average Total Inventories for the three months ended in Mar. 2026 was $0.08 Mil. Northstar Clean Technologies's Cost of Goods Sold for the three months ended in Mar. 2026 was $0.09 Mil. Hence, Northstar Clean Technologies's Days Inventory for the three months ended in Mar. 2026 was 83.73.

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

ROOOF' s Days Inventory Range Over the Past 10 Years
Min: 76.5   Med: 76.5   Max: 95.36
Current: 95.36

During the past 6 years, Northstar Clean Technologies's highest Days Inventory was 95.36. The lowest was 76.50. And the median was 76.50.

ROOOF's Days Inventory is ranked worse than
80.93% of 215 companies
in the Waste Management industry
Industry Median: 28.49 vs ROOOF: 95.36

Northstar Clean Technologies's Days Inventory increased from Mar. 2025 (0.00) to Mar. 2026 (83.73). It might indicate that Northstar Clean Technologies'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. Northstar Clean Technologies's Inventory Turnover for the three months ended in Mar. 2026 was 1.09.

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. Northstar Clean Technologies's Inventory-to-Revenue for the three months ended in Mar. 2026 was 0.55.


Northstar Clean Technologies  (OTCPK:ROOOF) 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.

Northstar Clean 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.

Northstar Clean 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.


Northstar Clean Technologies Days Inventory Related Terms


Northstar Clean Technologies Days Inventory Historical Data

* Premium members only.

The historical data trend for Northstar Clean 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.

Northstar Clean Technologies Days Inventory Chart

Northstar Clean Technologies Annual Data
Trend Dec20 Dec21 Dec22 Dec23 Dec24 Dec25
Days Inventory
Get a 7-Day Free Trial 0.00 0.00 0.00 0.00 76.21

Northstar Clean 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 0.00 0.00 75.67 45.63 83.73

ROOOF vs WM, RSG, WCN: Days Inventory Comparison

For the Waste Management subindustry, Northstar Clean 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.


Northstar Clean Technologies Days Inventory vs Waste Management Industry

For the Waste Management industry and Industrials sector, Northstar Clean Technologies's Days Inventory distribution charts can be found below:

* The bar in red indicates where Northstar Clean Technologies's Days Inventory falls into.


ROOOF
17GF Score
Northstar Clean Technologies Inc ROOOF
Days Inventory is just one metric. See GF Score™, valuation, warning signs, and more.
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Northstar Clean Technologies Days Inventory Calculation

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

Northstar Clean 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 + 0.076) / 1 ) / 0.364*365
=0.076 / 0.364*365
=76.21

Northstar Clean 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
=( (0.076 + 0.091) / 2 ) / 0.091*365 / 4
=0.0835 / 0.091*365 / 4
=83.73

* 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 83.73 mean?
Northstar Clean Technologies (ROOOF) has a Days Inventory of 83.73 as of Mar. 2026. Days inventory represents the average amount of days a company holds inventory before selling it. View historical data on Northstar Clean Technologies and its competitors. This is near median its historical median of 76.50. Over the past decade, Northstar Clean Technologies' Days Inventory has ranged from 76.50 to 95.36. According to the industry distribution chart, Northstar Clean Technologies ranks #174 out of 215 companies in the Waste Management industry, placing it in the top 80.9%.
Is Northstar Clean Technologies' Days Inventory too high?
Northstar Clean Technologies' current Days Inventory of 83.73 is near median its 10-year median of 76.50. Over the past 10 years, this metric has ranged from a low of 76.50 to a high of 95.36. The Waste Management industry median Days Inventory is 28.49. Northstar Clean Technologies' value of 83.73 is 193.9% above this industry median. Based on the distribution chart, Northstar Clean Technologies ranks #174 out of 215 companies in the Waste Management industry, which is in the bottom quartile relative to peers. Overall, Northstar Clean Technologies has a GF Score™ of 17/100 and is considered Possible Value Trap, reflecting its overall financial health beyond just this single metric.
How does Northstar Clean Technologies' Days Inventory compare to WM and RSG?
According to the Waste Management industry distribution chart, Northstar Clean Technologies ranks #174 out of 215 companies for Days Inventory. This places Northstar Clean Technologies in the lower half of its industry. The industry median Days Inventory is 28.49. Northstar Clean Technologies' value of 83.73 is 193.9% above this benchmark. Historically, Northstar Clean Technologies' own Days Inventory has ranged from 76.50 to 95.36 over the past decade. While the company's 10-year median is 76.50 vs. the industry median of 28.49, Northstar Clean 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 Waste Management company?
The median Days Inventory among Waste Management companies is 28.49, based on 215 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. Northstar Clean Technologies's current Days Inventory of 83.73 is 193.9% 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 Northstar Clean Technologies and its competitors. For the Waste Management industry, the median Days Inventory is 28.49 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Northstar Clean Technologies's current Days Inventory is 83.73, which is near median its own 10-year median of 76.50. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Northstar Clean Technologies stock overvalued right now?
Based on GuruFocus' analysis, Northstar Clean Technologies (ROOOF) is currently considered Possible Value Trap. The stock's GF Value™ is $0.20, compared to a current price of $0.13 — trading 36.5% below its estimated fair value. The current Days Inventory is 83.73, which is near median its 10-year median of 76.50 and 193.9% above the Waste Management industry median of 28.49. Northstar Clean Technologies' overall GF Score™ is 17/100 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 Northstar Clean Technologies (ROOOF), the current Days Inventory is 83.73 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 Northstar Clean Technologies (ROOOF) Overvalued in 2026?

Based on GuruFocus' analysis, Northstar Clean Technologies stock appears to be undervalued. The current stock price of $0.13 is trading 36.5% below its estimated GF Value™ of $0.20. GuruFocus considers Northstar Clean Technologies to be Possible Value Trap.

Key valuation signals for ROOOF:

  • Days Inventory: 83.73 (near median its 10-year median of 76.50)
  • GF Value™: $0.20 vs. price of $0.13 (36.5% below fair value)
  • GF Score™: 17/100 with 6 warning signs
  • Industry Position: 193.9% above the Waste Management median (#174 of 215)

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


Northstar Clean Technologies Business Description

Other Exchanges ROOF:Canada
Address No. 12111 40th Street South East, Calgary, Alberta, BC, CAN, T2Z 4E6
Northstar Clean Technologies Inc is engaged in the commercialization of proprietary process technology for the recycling of asphalt shingles and the extraction and recovery of asphalt cement, fiberglass/felt and mineral aggregates to be sold and used in asphalt pavement, shingle manufacturing, construction products, and other industrial applications. The Company currently operates in one business segment in Canada, being the repurposing and reprocessing of asphalt shingles.
17GF Score

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

$0.13
Price
$0.20
GF Value