LUNA (Luna Innovations) Days Inventory: 297.75 (As of Sep. 2023)

Author: Vera Yuan Vera Yuan
Vera Yuan
Vera Yuan
Director of Data and Quant Analytics at GuruFocus
Focused on building reliable datasets, financial models, and research tools for value-minded investors. Committed to turning complex data into practical guidance for value-investing and long-term wealth.
Reviewed by: Charlie Tian Charlie Tian
Charlie Tian
Charlie Tian
Founder & CEO of GuruFocus
Dr. Charlie Tian is the founder and CEO of GuruFocus.com, a leading global investment research platform established in 2004. With a Ph.D. in physics, Dr. Tian transitioned from science to finance, applying a data-driven, disciplined approach to value investing.

LUNA Luna Innovations Inc LUNA
16 GF Score
Price $1.32
View Full Analysis

What is Luna Innovations Days Inventory?

Luna Innovations LUNA +1.54% 16 Days Inventory is 297.75 as of Sep. 2023. GuruFocus rates LUNA with a GF Score™ of 16/100.

Days Inventory is also known as Days Sales of Inventory (DSI). Luna Innovations's Average Total Inventories for the three months ended in Sep. 2023 was $42.7 Mil. Luna Innovations's Cost of Goods Sold for the three months ended in Sep. 2023 was $13.1 Mil. Hence, Luna Innovations's Days Inventory for the three months ended in Sep. 2023 was 297.75.

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

LUNA's Days Inventory is not ranked *
in the Hardware industry.
Industry Median: 94.63
* Ranked among companies with meaningful Days Inventory only.

Luna Innovations's Days Inventory increased from Sep. 2022 (235.52) to Sep. 2023 (297.75). It might indicate that Luna Innovations's sales slowed down.

Inventory Turnover measures how fast the company turns over its inventory within a year. Luna Innovations's Inventory Turnover for the three months ended in Sep. 2023 was 0.31.

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. Luna Innovations's Inventory-to-Revenue for the three months ended in Sep. 2023 was 1.39.


Luna Innovations  (OTCPK:LUNA) 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.

Luna Innovations's Inventory Turnover for the three months ended in Sep. 2023 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.

Luna Innovations's Inventory to Revenue for the three months ended in Sep. 2023 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.


Luna Innovations Days Inventory Related Terms


Luna Innovations Days Inventory Historical Data

* Premium members only.

The historical data trend for Luna Innovations'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.

Luna Innovations Days Inventory Chart

Luna Innovations Annual Data
Trend Dec13 Dec14 Dec15 Dec16 Dec17 Dec18 Dec19 Dec20 Dec21 Dec22
Days Inventory
Get a 7-Day Free Trial Premium Member Only Premium Member Only 89.46 88.68 262.00 231.21 250.73

Luna Innovations Quarterly Data
Dec18 Mar19 Jun19 Sep19 Dec19 Mar20 Jun20 Sep20 Dec20 Mar21 Jun21 Sep21 Dec21 Mar22 Jun22 Sep22 Dec22 Mar23 Jun23 Sep23
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 235.52 254.49 345.44 303.00 297.75

LUNA vs ODYS, WRAP, SOTK: Days Inventory Comparison

For the Scientific & Technical Instruments subindustry, Luna Innovations'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.


Luna Innovations Days Inventory vs Hardware Industry

For the Hardware industry and Technology sector, Luna Innovations's Days Inventory distribution charts can be found below:

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


LUNA
16GF Score
Luna Innovations Inc LUNA
Days Inventory is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

Luna Innovations Days Inventory Calculation

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

Luna Innovations's Days Inventory for the fiscal year that ended in Dec. 2022 is calculated as

Days Inventory (A: Dec. 2022 )
=Average Total Inventories / Cost of Goods Sold*Days in Period
=( (Total Inventories (A: Dec. 2021 ) + Total Inventories (A: Dec. 2022 )) / count ) / Cost of Goods Sold (A: Dec. 2022 )*Days in Period
=( (22.493 + 36.582) / 2 ) / 43*365
=29.5375 / 43*365
=250.73

Luna Innovations's Days Inventory for the quarter that ended in Sep. 2023 is calculated as:

Days Inventory (Q: Sep. 2023 )
=Average Total Inventories / Cost of Goods Sold*Days in Period
=( (Total Inventories (Q: Jun. 2023 ) + Total Inventories (Q: Sep. 2023 )) / count ) / Cost of Goods Sold (Q: Sep. 2023 )*Days in Period
=( (42.003 + 43.318) / 2 ) / 13.074*365 / 4
=42.6605 / 13.074*365 / 4
=297.75

* 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 297.75 mean?
Luna Innovations (LUNA) has a Days Inventory of 297.75 as of Sep. 2023. Days inventory represents the average amount of days a company holds inventory before selling it. View historical data on Luna Innovations and its competitors.
Is Luna Innovations' Days Inventory too high?
Luna Innovations' current Days Inventory is 297.75. The Hardware industry median Days Inventory is 94.63. Luna Innovations' value of 297.75 is 214.6% above this industry median. Overall, Luna Innovations has a GF Score™ of 16/100, reflecting its overall financial health beyond just this single metric.
How does Luna Innovations' Days Inventory compare to ODYS and WRAP?
Luna Innovations' Days Inventory of 297.75 can be compared against companies in the Hardware industry. The industry median Days Inventory is 94.63. Luna Innovations' value of 297.75 is 214.6% above this benchmark. 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 Hardware company?
The median Days Inventory among Hardware companies is 94.63, based on 2,415 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. Luna Innovations's current Days Inventory of 297.75 is 214.6% 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 Luna Innovations and its competitors. For the Hardware industry, the median Days Inventory is 94.63 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Luna Innovations's current Days Inventory is 297.75. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Luna Innovations stock overvalued right now?
Luna Innovations (LUNA) has a current Days Inventory of 297.75. The current Days Inventory is 297.75 and 214.6% above the Hardware industry median of 94.63. Luna Innovations' overall GF Score™ is 16/100. 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 Luna Innovations (LUNA), the current Days Inventory is 297.75 as of Sep. 2023. 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.

Luna Innovations Business Description

Address 301 1st Street South West, Suite 200, Roanoke, VA, USA, 24011
Luna Innovations Inc is engaged in optical technology, providing high-performance fiber optic test, measurement, and control products for the telecommunications, and photonics industries, and distributed fiber optic sensing solutions that measure and monitor materials and structures for applications in aerospace, automotive, oil, and gas, security, and infrastructure. Its Lightwave segment develops, manufactures, and markets optical measurements technologies like Sensing including short, medium, and long-range distributed fiber optic sensing solutions and Terahertz measurement products, and Communications test and photonic control including test equipment for communications devices and networks and specialty laser and photonic components. It derives a majority of its revenue from the U.S.
16GF Score

Get the complete analysis for LUNA

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

$1.32
Price