St Shine Optical Co (ROCO:1565) Change In Inventory: NT$-160 Mil (TTM As of Jun. 2026)

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.

ROCO:1565 St Shine Optical Co Ltd ROCO:1565
74 GF Score
Price NT$99.50
GF Value NT$149.09
Valuation Possible Value Trap
! 5 Warning Signs
View Full Analysis

What is St Shine Optical Co Change In Inventory?

St Shine Optical Co ROCO:1565 +0.91% 74 Change In Inventory is NT$-160 Mil as of Jun. 2026. GuruFocus rates ROCO:1565 with a GF Score™ of 74/100 and a GF Value™ of NT$149.09 (Possible Value Trap). The stock has 5 warning signs investors should review.

St Shine Optical Co's change in inventory for the quarter that ended in Jun. 2026 was NT$-30 Mil. It means St Shine Optical Co's inventory increased by NT$30 Mil from Mar. 2026 to Jun. 2026 .

St Shine Optical Co's change in inventory for the fiscal year that ended in Dec. 2025 was NT$-117 Mil. It means St Shine Optical Co's inventory increased by NT$117 Mil from Dec. 2024 to Dec. 2025 .

St Shine Optical Co's Total Inventories for the quarter that ended in Jun. 2026 was NT$1,229 Mil.

Days Inventory indicates the number of days of goods in sales that a company has in the inventory. St Shine Optical Co's Days Inventory for the quarter that ended in Jun. 2026 was 152.16.

Inventory Turnover measures how fast the company turns over its inventory within a year. St Shine Optical Co's Inventory Turnover for the quarter that ended in Jun. 2026 was 0.60.

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. St Shine Optical Co's Inventory-to-Revenue for the quarter that ended in Jun. 2026 was 1.38.


St Shine Optical Co  (ROCO:1565) Change In Inventory Explanation

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

St Shine Optical Co's Days Inventory for the quarter that ended in is calculated as:

Days Inventory=Average Total Inventories/Cost of Goods Sold*Days in Period
=1213.655/727.814*365 / 4
=152.16

2. Inventory Turnover measures how fast the company turns over its inventory within a year.

St Shine Optical Co's Inventory Turnover for the quarter that ended in Jun. 2026 is calculated as

3. 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.

St Shine Optical Co's Inventory to Revenue for the quarter that ended in Jun. 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.


St Shine Optical Co Change In Inventory Related Terms


St Shine Optical Co Change In Inventory Historical Data

* Premium members only.

The historical data trend for St Shine Optical Co's Change In 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.

St Shine Optical Co Change In Inventory Chart

St Shine Optical Co Annual Data
Trend Dec16 Dec17 Dec18 Dec19 Dec20 Dec21 Dec22 Dec23 Dec24 Dec25
Change In Inventory
Get a 7-Day Free Trial Premium Member Only Premium Member Only -86.72 -151.43 240.05 0.80 -116.98

St Shine Optical Co Quarterly Data
Sep21 Dec21 Mar22 Jun22 Sep22 Dec22 Mar23 Jun23 Sep23 Dec23 Mar24 Jun24 Sep24 Dec24 Mar25 Jun25 Sep25 Dec25 Mar26 Jun26
Change In 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 6.35 -86.25 -49.16 4.68 -29.71
ROCO:1565
74GF Score
St Shine Optical Co Ltd ROCO:1565
Change In Inventory is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

St Shine Optical Co Change In Inventory Calculation

Change In Inventory is the difference between last period's ending inventory and the current period's ending inventory.

Change In Inventory for the trailing twelve months (TTM) ended in Jun. 2026 adds up the quarterly data reported by the company within the most recent 12 months, which was NT$-160 Mil.

* 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 Change In Inventory →
What does a Change In Inventory of NT$-160 Mil mean?
St Shine Optical Co (ROCO:1565) has a Change In Inventory of NT$-160 Mil as of Jun. 2026. Change in Inventory is the difference between current-period inventory and past-period inventory. View historical data for St Shine Optical Co and its competitors.
Is St Shine Optical Co's Change In Inventory too high?
St Shine Optical Co's current Change In Inventory is NT$-160 Mil. Overall, St Shine Optical Co has a GF Score™ of 74/100 and is considered Possible Value Trap, reflecting its overall financial health beyond just this single metric.
How does St Shine Optical Co's Change In Inventory compare to ISRG and BDX?
St Shine Optical Co's Change In Inventory of NT$-160 Mil can be compared against companies in the Medical Devices & Instruments industry. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good Change In Inventory for a Medical Devices & Instruments company?
A good Change In Inventory depends on the Medical Devices & Instruments industry context. However, Change In Inventory should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Use the industry distribution chart on this page to see where any company falls relative to its peers.
What does a high Change In Inventory mean?
A high Change In Inventory can signal that a stock is expensive relative to its fundamentals. Change in Inventory is the difference between current-period inventory and past-period inventory. View historical data for St Shine Optical Co and its competitors. St Shine Optical Co's current Change In Inventory is NT$-160 Mil. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is St Shine Optical Co stock overvalued right now?
Based on GuruFocus' analysis, St Shine Optical Co (ROCO:1565) is currently considered Possible Value Trap. The stock's GF Value™ is NT$149.09, compared to a current price of NT$99.50 — trading 33.3% below its estimated fair value. The current Change In Inventory is NT$-160 Mil. St Shine Optical Co's overall GF Score™ is 74/100 with 5 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Change In Inventory calculated?
Change In Inventory is calculated from a company's financial statements. For St Shine Optical Co (ROCO:1565), the current Change In Inventory is NT$-160 Mil as of Jun. 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 St Shine Optical Co (ROCO:1565) Overvalued in 2026?

Based on GuruFocus' analysis, St Shine Optical Co stock appears to be undervalued. The current stock price of NT$99.50 is trading 33.3% below its estimated GF Value™ of NT$149.09. GuruFocus considers St Shine Optical Co to be Possible Value Trap.

Key valuation signals for ROCO:1565:

  • Change In Inventory: NT$-160 Mil
  • GF Value™: NT$149.09 vs. price of NT$99.50 (33.3% below fair value)
  • GF Score™: 74/100 with 5 warning signs

No single metric tells the full story. See the ROCO:1565 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.


St Shine Optical Co Business Description

Address Datong Road, 5th Floor, No. 276, Section 1, Xizhi District, New Taipei City, TWN, 22146
St Shine Optical Co Ltd is engaged in the manufacturing and trading of contact lenses (soft and hard), optical lenses, and related products. Geographically, the company generates maximum of its revenue from Asia (excluding Taiwan), followed by Europe, Taiwan, and America.
74GF Score

Get the complete analysis for ROCO:1565

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

NT$99.50
Price
NT$149.09
GF Value