Shian Yih Electronic Industry Co (ROCO:3531) Days Inventory: 72.04 (As of Dec. 2025) — Near Median

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ROCO:3531 Shian Yih Electronic Industry Co Ltd ROCO:3531
68 GF Score
Price NT$22.95
GF Value NT$18.30
Valuation Modestly Overvalued
! 6 Warning Signs
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What is Shian Yih Electronic Industry Co Days Inventory?

Shian Yih Electronic Industry Co ROCO:3531 68 Days Inventory is 72.04 as of Dec. 2025, which is 4% below its 10-year median of 75.31. GuruFocus rates ROCO:3531 with a GF Score™ of 68/100 and a GF Value™ of NT$18.30 (Modestly Overvalued). The stock has 6 warning signs investors should review. Among 983 Semiconductors companies, Shian Yih Electronic Industry Co ranks better than 74.67% on this metric.

Days Inventory is also known as Days Sales of Inventory (DSI). Shian Yih Electronic Industry Co's Average Total Inventories for the three months ended in Dec. 2025 was NT$182 Mil. Shian Yih Electronic Industry Co's Cost of Goods Sold for the three months ended in Dec. 2025 was NT$230 Mil. Hence, Shian Yih Electronic Industry Co's Days Inventory for the three months ended in Dec. 2025 was 72.04.

The historical rank and industry rank for Shian Yih Electronic Industry Co's Days Inventory or its related term are showing as below:

ROCO:3531' s Days Inventory Range Over the Past 10 Years
Min: 49.89   Med: 75.31   Max: 85.06
Current: 66.82

During the past 13 years, Shian Yih Electronic Industry Co's highest Days Inventory was 85.06. The lowest was 49.89. And the median was 75.31.

ROCO:3531's Days Inventory is ranked better than
74.67% of 983 companies
in the Semiconductors industry
Industry Median: 112.13 vs ROCO:3531: 66.82

Shian Yih Electronic Industry Co's Days Inventory increased from Dec. 2024 (67.48) to Dec. 2025 (72.04). It might indicate that Shian Yih Electronic Industry Co's sales slowed down.

Inventory Turnover measures how fast the company turns over its inventory within a year. Shian Yih Electronic Industry Co's Inventory Turnover for the three months ended in Dec. 2025 was 1.27.

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. Shian Yih Electronic Industry Co's Inventory-to-Revenue for the three months ended in Dec. 2025 was 0.61.


Shian Yih Electronic Industry Co  (ROCO:3531) 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.

Shian Yih Electronic Industry Co's Inventory Turnover for the three months ended in Dec. 2025 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.

Shian Yih Electronic Industry Co's Inventory to Revenue for the three months ended in Dec. 2025 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.


Shian Yih Electronic Industry Co Days Inventory Related Terms


Shian Yih Electronic Industry Co Days Inventory Historical Data

* Premium members only.

The historical data trend for Shian Yih Electronic Industry 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.

Shian Yih Electronic Industry Co Days Inventory Chart

Shian Yih Electronic Industry 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 74.87 76.33 85.06 83.68 75.74

Shian Yih Electronic Industry Co Quarterly Data
Mar21 Jun21 Sep21 Dec21 Mar22 Jun22 Sep22 Dec22 Mar23 Jun23 Sep23 Dec23 Mar24 Jun24 Sep24 Dec24 Mar25 Jun25 Sep25 Dec25
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 67.48 68.61 59.08 59.29 72.04

ROCO:3531 vs NVDA, AVGO, MU: Days Inventory Comparison

For the Semiconductors subindustry, Shian Yih Electronic Industry 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.


Shian Yih Electronic Industry Co Days Inventory vs Semiconductors Industry

For the Semiconductors industry and Technology sector, Shian Yih Electronic Industry Co's Days Inventory distribution charts can be found below:

* The bar in red indicates where Shian Yih Electronic Industry Co's Days Inventory falls into.


ROCO:3531
68GF Score
Shian Yih Electronic Industry Co Ltd ROCO:3531
Days Inventory is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

Shian Yih Electronic Industry Co Days Inventory Calculation

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

Shian Yih Electronic Industry 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
=( (246.763 + 197.299) / 2 ) / 1070.052*365
=222.031 / 1070.052*365
=75.74

Shian Yih Electronic Industry Co's Days Inventory for the quarter that ended in Dec. 2025 is calculated as:

Days Inventory (Q: Dec. 2025 )
=Average Total Inventories / Cost of Goods Sold*Days in Period
=( (Total Inventories (Q: Sep. 2025 ) + Total Inventories (Q: Dec. 2025 )) / count ) / Cost of Goods Sold (Q: Dec. 2025 )*Days in Period
=( (166.242 + 197.299) / 2 ) / 230.234*365 / 4
=181.7705 / 230.234*365 / 4
=72.04

* 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 72.04 mean?
Shian Yih Electronic Industry Co (ROCO:3531) has a Days Inventory of 72.04 as of Dec. 2025. Days inventory represents the average amount of days a company holds inventory before selling it. View historical data on Shian Yih Electronic Industry Co and its competitors. This is near median its historical median of 75.31. Over the past decade, Shian Yih Electronic Industry Co's Days Inventory has ranged from 49.89 to 85.06. According to the industry distribution chart, Shian Yih Electronic Industry Co ranks #249 out of 983 companies in the Semiconductors industry, placing it in the top 25.3%.
Is Shian Yih Electronic Industry Co's Days Inventory too high?
Shian Yih Electronic Industry Co's current Days Inventory of 72.04 is near median its 10-year median of 75.31. Over the past 10 years, this metric has ranged from a low of 49.89 to a high of 85.06. The Semiconductors industry median Days Inventory is 112.13. Shian Yih Electronic Industry Co's value of 72.04 is 35.8% below this industry median. Based on the distribution chart, Shian Yih Electronic Industry Co ranks #249 out of 983 companies in the Semiconductors industry, which is above the industry midpoint. Overall, Shian Yih Electronic Industry Co has a GF Score™ of 68/100 and is considered Modestly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Shian Yih Electronic Industry Co's Days Inventory compare to NVDA and AVGO?
According to the Semiconductors industry distribution chart, Shian Yih Electronic Industry Co ranks #249 out of 983 companies for Days Inventory. This puts Shian Yih Electronic Industry Co in the upper half of its industry. The industry median Days Inventory is 112.13. Shian Yih Electronic Industry Co's value of 72.04 is 35.8% below this benchmark. Historically, Shian Yih Electronic Industry Co's own Days Inventory has ranged from 49.89 to 85.06 over the past decade. While the company's 10-year median is 75.31 vs. the industry median of 112.13, Shian Yih Electronic Industry Co has consistently been below 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 Semiconductors company?
The median Days Inventory among Semiconductors companies is 112.13, based on 983 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. Shian Yih Electronic Industry Co's current Days Inventory of 72.04 is 35.8% below 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 Shian Yih Electronic Industry Co and its competitors. For the Semiconductors industry, the median Days Inventory is 112.13 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Shian Yih Electronic Industry Co's current Days Inventory is 72.04, which is near median its own 10-year median of 75.31. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Shian Yih Electronic Industry Co stock overvalued right now?
Based on GuruFocus' analysis, Shian Yih Electronic Industry Co (ROCO:3531) is currently considered Modestly Overvalued. The stock's GF Value™ is NT$18.30, compared to a current price of NT$22.95 — trading 25.4% above its estimated fair value. The current Days Inventory is 72.04, which is near median its 10-year median of 75.31 and 35.8% below the Semiconductors industry median of 112.13. Shian Yih Electronic Industry Co's overall GF Score™ is 68/100 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 Shian Yih Electronic Industry Co (ROCO:3531), the current Days Inventory is 72.04 as of Dec. 2025. 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 Shian Yih Electronic Industry Co (ROCO:3531) Overvalued in 2026?

Based on GuruFocus' analysis, Shian Yih Electronic Industry Co stock appears to be overvalued. The current stock price of NT$22.95 is trading 25.4% above its estimated GF Value™ of NT$18.30. GuruFocus considers Shian Yih Electronic Industry Co to be Modestly Overvalued.

Key valuation signals for ROCO:3531:

  • Days Inventory: 72.04 (near median its 10-year median of 75.31)
  • GF Value™: NT$18.30 vs. price of NT$22.95 (25.4% above fair value)
  • GF Score™: 68/100 with 6 warning signs
  • Industry Position: 35.8% below the Semiconductors median (#249 of 983)

No single metric tells the full story. See the ROCO:3531 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.


Shian Yih Electronic Industry Co Business Description

Address No. 22, Industry 24th Road, Taichung Industrial Park, Taichung, TWN
Shian Yih Electronic Industry Co Ltd manufactures small to medium-sized LED backlight modules in Taiwan. Its products are applied in liquid crystal displays (LCDs), notebook computers, LCD televisions, digital cameras, personal digital assistants (PDAs), and mobile phones. Its products comprise small to medium-sized LED backlight modules, motorcycle and vehicle LED headlight modules, LED packaging & sales (IR, light emitting diode, PT), mold design and fabrication, and plastic injection molding. The companies reportable segment is the Backlight Module Segment. The back light module segment principally engages in the manufacture and sale of products related to back light modules.
68GF Score

Get the complete analysis for ROCO:3531

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

NT$22.95
Price
NT$18.30
GF Value