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Wafer WorksROCO:6182 -9.94%60 Days Inventory is 148.01 as of Dec. 2025, which is 1% above its 10-year median of 146.89. GuruFocus rates ROCO:6182 with a GF Score™ of 60/100 and a GF Value™ of NT$33.54 (Significantly Overvalued). The stock has 6 warning signs investors should review. Among 983 Semiconductors companies, Wafer Works ranks worse than 58.49% on this metric.
Days Inventory is also known as Days Sales of Inventory (DSI). Wafer Works's Average Total Inventories for the
three
months ended in Dec. 2025 was NT$2,810 Mil. Wafer Works's Cost of Goods Sold for the
three
months ended in Dec. 2025 was NT$1,732 Mil.
Hence, Wafer Works's Days Inventory for the
three
months ended in Dec. 2025 was 148.01.
The historical rank and industry rank for Wafer Works's Days Inventory or its related term are showing as below:
ROCO:6182'
s Days Inventory Range Over the Past 10 Years
Min: 111.58 Med: 146.89 Max: 182.06
Current: 133.09
During the past 13 years, Wafer Works's highest Days Inventory was 182.06. The lowest was 111.58. And the median was 146.89.
ROCO:6182's Days Inventory is ranked worse than 58.49% of 983
companies
in the Semiconductors industry
Industry Median: 112.18
vs ROCO:6182: 133.09
Wafer Works's Days Inventory
declined
from Dec. 2024 (157.71) to Dec. 2025 (148.01).
Inventory Turnover measures how fast the company turns over its inventory within a year.
Wafer Works's Inventory Turnover for the
three
months ended in Dec. 2025 was 0.62.
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.
Wafer Works's Inventory-to-Revenue for the
three
months ended in Dec. 2025 was 1.16.
Wafer Works (ROCO:6182) 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.
Wafer Works'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.
Wafer Works'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.
Wafer Works Days Inventory Related Terms
Wafer Works Days Inventory Historical Data
* Premium members only.
The historical data trend for Wafer Works'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.
ROCO:6182 vs AMAT, LRCX, KLAC: Days Inventory Comparison
For the Semiconductor Equipment & Materials subindustry, Wafer Works'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.
Wafer Works Days Inventory vs Semiconductors Industry
For the Semiconductors industry and Technology sector, Wafer Works's Days Inventory distribution charts can be found below:
* The bar in red indicates where Wafer Works's Days Inventory falls into.
* 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.
Wafer Works (ROCO:6182) has a Days Inventory of 148.01 as of Dec. 2025. Days inventory represents the average amount of days a company holds inventory before selling it. View historical data on Wafer Works and its competitors. This is near median its historical median of 146.89. Over the past decade, Wafer Works' Days Inventory has ranged from 111.58 to 182.06. According to the industry distribution chart, Wafer Works ranks #575 out of 983 companies in the Semiconductors industry, placing it in the top 58.5%.
Is Wafer Works' Days Inventory too high?
Wafer Works' current Days Inventory of 148.01 is near median its 10-year median of 146.89. Over the past 10 years, this metric has ranged from a low of 111.58 to a high of 182.06. The Semiconductors industry median Days Inventory is 112.18. Wafer Works' value of 148.01 is 31.9% above this industry median. Based on the distribution chart, Wafer Works ranks #575 out of 983 companies in the Semiconductors industry, which is below the industry midpoint. Overall, Wafer Works has a GF Score™ of 60/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Wafer Works' Days Inventory compare to AMAT and LRCX?
According to the Semiconductors industry distribution chart, Wafer Works ranks #575 out of 983 companies for Days Inventory. This places Wafer Works in the lower half of its industry. The industry median Days Inventory is 112.18. Wafer Works' value of 148.01 is 31.9% above this benchmark. Historically, Wafer Works' own Days Inventory has ranged from 111.58 to 182.06 over the past decade. While the company's 10-year median is 146.89 vs. the industry median of 112.18, Wafer Works 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 Semiconductors company?
The median Days Inventory among Semiconductors companies is 112.18, 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. Wafer Works's current Days Inventory of 148.01 is 31.9% 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 Wafer Works and its competitors. For the Semiconductors industry, the median Days Inventory is 112.18 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Wafer Works's current Days Inventory is 148.01, which is near median its own 10-year median of 146.89. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Wafer Works stock overvalued right now?
Based on GuruFocus' analysis, Wafer Works (ROCO:6182) is currently considered Significantly Overvalued. The stock's GF Value™ is NT$33.54, compared to a current price of NT$149.50 — trading 345.7% above its estimated fair value. The current Days Inventory is 148.01, which is near median its 10-year median of 146.89 and 31.9% above the Semiconductors industry median of 112.18. Wafer Works' overall GF Score™ is 60/100 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 Wafer Works (ROCO:6182), the current Days Inventory is 148.01 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 Wafer Works (ROCO:6182) Overvalued in 2026?
Based on GuruFocus' analysis, Wafer Works stock appears to be overvalued.
The current stock price of NT$149.50 is trading 345.7% above its estimated GF Value™ of NT$33.54.
GuruFocus considers Wafer Works to be Significantly Overvalued.
Key valuation signals for ROCO:6182:
Days Inventory: 148.01 (near median its 10-year median of 146.89)
GF Value™: NT$33.54 vs. price of NT$149.50 (345.7% above fair value)
Industry Position: 31.9% above the Semiconductors median (#575 of 983)
No single metric tells the full story. See the ROCO:6182 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Wafer Works Corp is a Taiwan-based company principally engaged in the R&D, design, manufacturing, and sales of semiconductor materials; the technique consulting business, service business, and trading for the above items. Its customized silicon wafer services are Polished wafers, Leijingjingyuan, SOI wafers, Gallium nitride epitaxial wafers, and Custom wafers. Its geographical segments include Taiwan, China (including Hong Kong), the United States, and Other countries. It generates the majority of its revenue from Taiwan. The Group's revenue is derived from the manufacture and sale of semiconductor wafers.
60GF Score
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