Ningbo Yongxin Optics Co (SHSE:603297) Days Inventory: 119.53 (As of Mar. 2026) — Near Median

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.

SHSE:603297 Ningbo Yongxin Optics Co Ltd SHSE:603297
95 GF Score
Price ¥105.16
GF Value ¥106.09
Valuation Fairly Valued
! 4 Warning Signs
View Full Analysis

What is Ningbo Yongxin Optics Co Days Inventory?

Ningbo Yongxin Optics Co SHSE:603297 +0.09% 95 Days Inventory is 119.53 as of Mar. 2026, which is 4% below its 10-year median of 124.47. GuruFocus rates SHSE:603297 with a GF Score™ of 95/100 and a GF Value™ of ¥106.09 (Fairly Valued). The stock has 4 warning signs investors should review. Among 2,412 Hardware companies, Ningbo Yongxin Optics Co ranks worse than 63.39% on this metric.

Days Inventory is also known as Days Sales of Inventory (DSI). Ningbo Yongxin Optics Co's Average Total Inventories for the three months ended in Mar. 2026 was ¥219 Mil. Ningbo Yongxin Optics Co's Cost of Goods Sold for the three months ended in Mar. 2026 was ¥167 Mil. Hence, Ningbo Yongxin Optics Co's Days Inventory for the three months ended in Mar. 2026 was 119.53.

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

SHSE:603297' s Days Inventory Range Over the Past 10 Years
Min: 114.8   Med: 124.47   Max: 138.04
Current: 119.69

During the past 12 years, Ningbo Yongxin Optics Co's highest Days Inventory was 138.04. The lowest was 114.80. And the median was 124.47.

SHSE:603297's Days Inventory is ranked worse than
63.39% of 2412 companies
in the Hardware industry
Industry Median: 94.585 vs SHSE:603297: 119.69

Ningbo Yongxin Optics Co's Days Inventory declined from Mar. 2025 (130.72) to Mar. 2026 (119.53).

Inventory Turnover measures how fast the company turns over its inventory within a year. Ningbo Yongxin Optics Co's Inventory Turnover for the three months ended in Mar. 2026 was 0.76.

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. Ningbo Yongxin Optics Co's Inventory-to-Revenue for the three months ended in Mar. 2026 was 0.83.


Ningbo Yongxin Optics Co  (SHSE:603297) 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.

Ningbo Yongxin Optics 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.

Ningbo Yongxin Optics 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.


Ningbo Yongxin Optics Co Days Inventory Related Terms


Ningbo Yongxin Optics Co Days Inventory Historical Data

* Premium members only.

The historical data trend for Ningbo Yongxin Optics 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.

Ningbo Yongxin Optics Co Days Inventory Chart

Ningbo Yongxin Optics Co 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 119.48 138.04 134.20 130.50 126.10

Ningbo Yongxin Optics 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 130.72 130.44 129.59 104.34 119.53

SHSE:603297 vs COHR, KEYS, GRMN: Days Inventory Comparison

For the Scientific & Technical Instruments subindustry, Ningbo Yongxin Optics 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.


Ningbo Yongxin Optics Co Days Inventory vs Hardware Industry

For the Hardware industry and Technology sector, Ningbo Yongxin Optics Co's Days Inventory distribution charts can be found below:

* The bar in red indicates where Ningbo Yongxin Optics Co's Days Inventory falls into.


SHSE:603297
95GF Score
Ningbo Yongxin Optics Co Ltd SHSE:603297
Days Inventory is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

Ningbo Yongxin Optics Co Days Inventory Calculation

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

Ningbo Yongxin Optics 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
=( (189.779 + 215.221) / 2 ) / 586.125*365
=202.5 / 586.125*365
=126.10

Ningbo Yongxin Optics 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
=( (215.221 + 222.125) / 2 ) / 166.939*365 / 4
=218.673 / 166.939*365 / 4
=119.53

* 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 119.53 mean?
Ningbo Yongxin Optics Co (SHSE:603297) has a Days Inventory of 119.53 as of Mar. 2026. Days inventory represents the average amount of days a company holds inventory before selling it. View historical data on Ningbo Yongxin Optics Co and its competitors. This is near median its historical median of 124.47. Over the past decade, Ningbo Yongxin Optics Co's Days Inventory has ranged from 114.80 to 138.04. According to the industry distribution chart, Ningbo Yongxin Optics Co ranks #1529 out of 2412 companies in the Hardware industry, placing it in the top 63.4%.
Is Ningbo Yongxin Optics Co's Days Inventory too high?
Ningbo Yongxin Optics Co's current Days Inventory of 119.53 is near median its 10-year median of 124.47. Over the past 10 years, this metric has ranged from a low of 114.80 to a high of 138.04. The Hardware industry median Days Inventory is 94.59. Ningbo Yongxin Optics Co's value of 119.53 is 26.4% above this industry median. Based on the distribution chart, Ningbo Yongxin Optics Co ranks #1529 out of 2412 companies in the Hardware industry, which is below the industry midpoint. Overall, Ningbo Yongxin Optics Co has a GF Score™ of 95/100 and is considered Fairly Valued, reflecting its overall financial health beyond just this single metric.
How does Ningbo Yongxin Optics Co's Days Inventory compare to COHR and KEYS?
According to the Hardware industry distribution chart, Ningbo Yongxin Optics Co ranks #1529 out of 2412 companies for Days Inventory. This places Ningbo Yongxin Optics Co in the lower half of its industry. The industry median Days Inventory is 94.59. Ningbo Yongxin Optics Co's value of 119.53 is 26.4% above this benchmark. Historically, Ningbo Yongxin Optics Co's own Days Inventory has ranged from 114.80 to 138.04 over the past decade. While the company's 10-year median is 124.47 vs. the industry median of 94.59, Ningbo Yongxin Optics 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 a Hardware company?
The median Days Inventory among Hardware companies is 94.59, based on 2,412 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. Ningbo Yongxin Optics Co's current Days Inventory of 119.53 is 26.4% 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 Ningbo Yongxin Optics Co and its competitors. For the Hardware industry, the median Days Inventory is 94.59 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Ningbo Yongxin Optics Co's current Days Inventory is 119.53, which is near median its own 10-year median of 124.47. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Ningbo Yongxin Optics Co stock overvalued right now?
Based on GuruFocus' analysis, Ningbo Yongxin Optics Co (SHSE:603297) is currently considered Fairly Valued. The stock's GF Value™ is ¥106.09, compared to a current price of ¥105.16 — trading 0.9% below its estimated fair value. The current Days Inventory is 119.53, which is near median its 10-year median of 124.47 and 26.4% above the Hardware industry median of 94.59. Ningbo Yongxin Optics Co's overall GF Score™ is 95/100 with 4 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 Ningbo Yongxin Optics Co (SHSE:603297), the current Days Inventory is 119.53 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 Ningbo Yongxin Optics Co (SHSE:603297) Overvalued in 2026?

Based on GuruFocus' analysis, Ningbo Yongxin Optics Co stock appears to be undervalued. The current stock price of ¥105.16 is trading 0.9% below its estimated GF Value™ of ¥106.09. GuruFocus considers Ningbo Yongxin Optics Co to be Fairly Valued.

Key valuation signals for SHSE:603297:

  • Days Inventory: 119.53 (near median its 10-year median of 124.47)
  • GF Value™: ¥106.09 vs. price of ¥105.16 (0.9% below fair value)
  • GF Score™: 95/100 with 4 warning signs
  • Industry Position: 26.4% above the Hardware median (#1529 of 2412)

No single metric tells the full story. See the SHSE:603297 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.


Ningbo Yongxin Optics Co Business Description

Address No.385 Mingzhu Road, Hi-tech Industry Park, Zhejiang, Ningbo, CHN, 315040
Ningbo Yongxin Optics Co Ltd is a Chinese microscope manufacturer. It is engaged in manufacturing and selling biological microscopes and industrial microscopes, strips Code scanner lens, planar optics, and professional imaging optics components under the brands NOVEL, JIANGNAN, and INOVO. The company exports its products throughout Europe, America, Japan, Singapore, and other countries and regions.
95GF Score

Get the complete analysis for SHSE:603297

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

¥105.16
Price
¥106.09
GF Value