Luster LightTech Co (SHSE:688400) Days Inventory: 129.19 (As of Mar. 2026) — 52% Above Median

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SHSE:688400 Luster LightTech Co Ltd SHSE:688400
84 GF Score
Price ¥40.89
GF Value ¥37.11
Valuation Fairly Valued
! 6 Warning Signs
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What is Luster LightTech Co Days Inventory?

Luster LightTech Co SHSE:688400 -2.11% 84 Days Inventory is 129.19 as of Mar. 2026, which is 52% above its 10-year median of 85.17. GuruFocus rates SHSE:688400 with a GF Score™ of 84/100 and a GF Value™ of ¥37.11 (Fairly Valued). The stock has 6 warning signs investors should review. Among 2,971 Industrial Products companies, Luster LightTech Co ranks better than 60.35% on this metric.

Days Inventory is also known as Days Sales of Inventory (DSI). Luster LightTech Co's Average Total Inventories for the three months ended in Mar. 2026 was ¥487 Mil. Luster LightTech Co's Cost of Goods Sold for the three months ended in Mar. 2026 was ¥344 Mil. Hence, Luster LightTech Co's Days Inventory for the three months ended in Mar. 2026 was 129.19.

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

SHSE:688400' s Days Inventory Range Over the Past 10 Years
Min: 69.44   Med: 85.17   Max: 100.39
Current: 100.39

During the past 8 years, Luster LightTech Co's highest Days Inventory was 100.39. The lowest was 69.44. And the median was 85.17.

SHSE:688400's Days Inventory is ranked better than
60.35% of 2971 companies
in the Industrial Products industry
Industry Median: 119.55 vs SHSE:688400: 100.39

Luster LightTech Co's Days Inventory increased from Mar. 2025 (99.69) to Mar. 2026 (129.19). It might indicate that Luster LightTech Co's sales slowed down.

Inventory Turnover measures how fast the company turns over its inventory within a year. Luster LightTech Co's Inventory Turnover for the three months ended in Mar. 2026 was 0.71.

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. Luster LightTech Co's Inventory-to-Revenue for the three months ended in Mar. 2026 was 0.82.


Luster LightTech Co  (SHSE:688400) 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.

Luster LightTech Co'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.

Luster LightTech Co'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.


Luster LightTech Co Days Inventory Related Terms


Luster LightTech Co Days Inventory Historical Data

* Premium members only.

The historical data trend for Luster LightTech Co'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.

Luster LightTech Co Days Inventory Chart

Luster LightTech Co Annual Data
Trend Dec18 Dec19 Dec20 Dec21 Dec22 Dec23 Dec24 Dec25
Days Inventory
Get a 7-Day Free Trial 69.67 85.38 87.43 96.98 78.83

Luster LightTech Co 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 99.69 99.18 93.56 88.77 129.19

SHSE:688400 vs GEV, ETN, PH: Days Inventory Comparison

For the Specialty Industrial Machinery subindustry, Luster LightTech Co'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.


Luster LightTech Co Days Inventory vs Industrial Products Industry

For the Industrial Products industry and Industrials sector, Luster LightTech Co's Days Inventory distribution charts can be found below:

* The bar in red indicates where Luster LightTech Co's Days Inventory falls into.


SHSE:688400
84GF Score
Luster LightTech Co Ltd SHSE:688400
Days Inventory is just one metric. See GF Score™, valuation, warning signs, and more.
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Luster LightTech Co Days Inventory Calculation

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

Luster LightTech Co'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
=( (372.097 + 448.115) / 2 ) / 1898.795*365
=410.106 / 1898.795*365
=78.83

Luster LightTech Co'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
=( (448.115 + 526.506) / 2 ) / 344.191*365 / 4
=487.3105 / 344.191*365 / 4
=129.19

* 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 129.19 mean?
Luster LightTech Co (SHSE:688400) has a Days Inventory of 129.19 as of Mar. 2026. Days inventory represents the average amount of days a company holds inventory before selling it. View historical data on Luster LightTech Co and its competitors. This is 52% above median its historical median of 85.17. Over the past decade, Luster LightTech Co's Days Inventory has ranged from 69.44 to 100.39. According to the industry distribution chart, Luster LightTech Co ranks #1178 out of 2971 companies in the Industrial Products industry, placing it in the top 39.6%.
Is Luster LightTech Co's Days Inventory too high?
Luster LightTech Co's current Days Inventory of 129.19 is 52% above median its 10-year median of 85.17. Over the past 10 years, this metric has ranged from a low of 69.44 to a high of 100.39. The Industrial Products industry median Days Inventory is 119.55. Luster LightTech Co's value of 129.19 is 8.1% above this industry median. Based on the distribution chart, Luster LightTech Co ranks #1178 out of 2971 companies in the Industrial Products industry, which is above the industry midpoint. Overall, Luster LightTech Co has a GF Score™ of 84/100 and is considered Fairly Valued, reflecting its overall financial health beyond just this single metric.
How does Luster LightTech Co's Days Inventory compare to GEV and ETN?
According to the Industrial Products industry distribution chart, Luster LightTech Co ranks #1178 out of 2971 companies for Days Inventory. This puts Luster LightTech Co in the upper half of its industry. The industry median Days Inventory is 119.55. Luster LightTech Co's value of 129.19 is 8.1% above this benchmark. Historically, Luster LightTech Co's own Days Inventory has ranged from 69.44 to 100.39 over the past decade. While the company's 10-year median is 85.17 vs. the industry median of 119.55, Luster LightTech Co 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 119.55, based on 2,971 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. Luster LightTech Co's current Days Inventory of 129.19 is 8.1% 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 Luster LightTech Co and its competitors. For the Industrial Products industry, the median Days Inventory is 119.55 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Luster LightTech Co's current Days Inventory is 129.19, which is 52% above median its own 10-year median of 85.17. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Luster LightTech Co stock overvalued right now?
Based on GuruFocus' analysis, Luster LightTech Co (SHSE:688400) is currently considered Fairly Valued. The stock's GF Value™ is ¥37.11, compared to a current price of ¥40.89 — trading 10.2% above its estimated fair value. The current Days Inventory is 129.19, which is 52% above median its 10-year median of 85.17 and 8.1% above the Industrial Products industry median of 119.55. Luster LightTech Co's overall GF Score™ is 84/100 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 Luster LightTech Co (SHSE:688400), the current Days Inventory is 129.19 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 Luster LightTech Co (SHSE:688400) Overvalued in 2026?

Based on GuruFocus' analysis, Luster LightTech Co stock appears to be overvalued. The current stock price of ¥40.89 is trading 10.2% above its estimated GF Value™ of ¥37.11. GuruFocus considers Luster LightTech Co to be Fairly Valued.

Key valuation signals for SHSE:688400:

  • Days Inventory: 129.19 (52% above median its 10-year median of 85.17)
  • GF Value™: ¥37.11 vs. price of ¥40.89 (10.2% above fair value)
  • GF Score™: 84/100 with 6 warning signs
  • Industry Position: 8.1% above the Industrial Products median (#1178 of 2971)

No single metric tells the full story. See the SHSE:688400 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.


Luster LightTech Co Business Description

Address Cuihu South Ring Road, Room 701, 7th Floor, Building 7, Yard 13, Haidian District, Beijing, CHN, 100094
Luster LightTech Co Ltd is based on optical technology innovation, and develops business around machine vision and fiber optics. The company has four product lines: intelligent equipment and smart factories, serving multiple fields such as consumer electronics, new energy, printing and packaging, and new display.
84GF Score

Get the complete analysis for SHSE:688400

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

¥40.89
Price
¥37.11
GF Value