Perfect Optronics (HKSE:08311) Days Inventory: 37.07 (As of Dec. 2025) — 34% Below Median

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What is Perfect Optronics Days Inventory?

Perfect Optronics HKSE:08311 Days Inventory is 37.07 as of Dec. 2025, which is 34% below its 10-year median of 56.51. The stock has 1 warning sign investors should review. Among 2,412 Hardware companies, Perfect Optronics ranks better than 92.66% on this metric.

Days Inventory is also known as Days Sales of Inventory (DSI). Perfect Optronics's Average Total Inventories for the six months ended in Dec. 2025 was HK$9.5 Mil. Perfect Optronics's Cost of Goods Sold for the six months ended in Dec. 2025 was HK$46.7 Mil. Hence, Perfect Optronics's Days Inventory for the six months ended in Dec. 2025 was 37.07.

The historical rank and industry rank for Perfect Optronics's Days Inventory or its related term are showing as below:

HKSE:08311' s Days Inventory Range Over the Past 10 Years
Min: 19.73   Med: 56.51   Max: 125.02
Current: 28.54

During the past 13 years, Perfect Optronics's highest Days Inventory was 125.02. The lowest was 19.73. And the median was 56.51.

HKSE:08311's Days Inventory is ranked better than
92.66% of 2412 companies
in the Hardware industry
Industry Median: 96.385 vs HKSE:08311: 28.54

Perfect Optronics's Days Inventory declined from Dec. 2024 (40.65) to Dec. 2025 (37.07).

Inventory Turnover measures how fast the company turns over its inventory within a year. Perfect Optronics's Inventory Turnover for the six months ended in Dec. 2025 was 4.92.

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. Perfect Optronics's Inventory-to-Revenue for the six months ended in Dec. 2025 was 0.17.


Perfect Optronics  (HKSE:08311) 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.

Perfect Optronics's Inventory Turnover for the six 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.

Perfect Optronics's Inventory to Revenue for the six 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.


Perfect Optronics Days Inventory Related Terms


Perfect Optronics Days Inventory Historical Data

* Premium members only.

The historical data trend for Perfect Optronics'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.

Perfect Optronics Days Inventory Chart

Perfect Optronics 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 26.81 51.10 66.41 51.15 19.73

Perfect Optronics Semi-Annual Data
Dec16 Jun17 Dec17 Jun18 Dec18 Jun19 Dec19 Jun20 Dec20 Jun21 Dec21 Jun22 Dec22 Jun23 Dec23 Jun24 Dec24 Jun25 Dec25 Jun26
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 57.16 40.65 44.29 37.07 13.63

HKSE:08311 vs APH, GLW, TEL: Days Inventory Comparison

For the Electronic Components subindustry, Perfect Optronics'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.


Perfect Optronics Days Inventory vs Hardware Industry

For the Hardware industry and Technology sector, Perfect Optronics's Days Inventory distribution charts can be found below:

* The bar in red indicates where Perfect Optronics's Days Inventory falls into.



Perfect Optronics Days Inventory Calculation

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

Perfect Optronics'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
=( (5.06 + 4.369) / 2 ) / 87.236*365
=4.7145 / 87.236*365
=19.73

Perfect Optronics'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: Jun. 2025 ) + Total Inventories (Q: Dec. 2025 )) / count ) / Cost of Goods Sold (Q: Dec. 2025 )*Days in Period
=( (14.608 + 4.369) / 2 ) / 46.711*365 / 2
=9.4885 / 46.711*365 / 2
=37.07

* 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 37.07 mean?
Perfect Optronics (HKSE:08311) has a Days Inventory of 37.07 as of Dec. 2025. Days inventory represents the average amount of days a company holds inventory before selling it. View historical data on Perfect Optronics and its competitors. This is 34% below median its historical median of 56.51. Over the past decade, Perfect Optronics' Days Inventory has ranged from 19.73 to 125.02. According to the industry distribution chart, Perfect Optronics ranks #177 out of 2412 companies in the Hardware industry, placing it in the top 7.3%.
Is Perfect Optronics' Days Inventory too high?
Perfect Optronics' current Days Inventory of 37.07 is 34% below median its 10-year median of 56.51. Over the past 10 years, this metric has ranged from a low of 19.73 to a high of 125.02. The Hardware industry median Days Inventory is 96.39. Perfect Optronics' value of 37.07 is 61.5% below this industry median. Based on the distribution chart, Perfect Optronics ranks #177 out of 2412 companies in the Hardware industry, which is in the top quartile — a strong position relative to peers.
How does Perfect Optronics' Days Inventory compare to APH and GLW?
According to the Hardware industry distribution chart, Perfect Optronics ranks #177 out of 2412 companies for Days Inventory. This places Perfect Optronics in the top 7% of its industry — outperforming the majority of peers. The industry median Days Inventory is 96.39. Perfect Optronics' value of 37.07 is 61.5% below this benchmark. Historically, Perfect Optronics' own Days Inventory has ranged from 19.73 to 125.02 over the past decade. While the company's 10-year median is 56.51 vs. the industry median of 96.39, Perfect Optronics 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 Hardware company?
The median Days Inventory among Hardware companies is 96.39, 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. Perfect Optronics's current Days Inventory of 37.07 is 61.5% 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 Perfect Optronics and its competitors. For the Hardware industry, the median Days Inventory is 96.39 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Perfect Optronics's current Days Inventory is 37.07, which is 34% below median its own 10-year median of 56.51. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Perfect Optronics stock overvalued right now?
Based on GuruFocus' analysis, Perfect Optronics (HKSE:08311) is currently considered Significantly Overvalued. The stock's GF Value™ is HK$0.03, compared to a current price of HK$0.05 — trading 66.7% above its estimated fair value. The current Days Inventory is 37.07, which is 34% below median its 10-year median of 56.51 and 61.5% below the Hardware industry median of 96.39. 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 Perfect Optronics (HKSE:08311), the current Days Inventory is 37.07 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.

Perfect Optronics Business Description

Address No. 88 Tokwawan Road, Flat 903, 9th Floor, New Lee Wah Centre, Tokwawan, Kowloon, Hong Kong, HKG
Perfect Optronics Ltd is an investment holding company principally engaged in the trading of display panels, optics products, and related electronic components. It offers Thin film transistor liquid crystal display (TFT-LCD) panels and modules, Polarisers, Electronic signage, Optics products, Light guide plates, Integrated circuits, and other products. Key revenue is derived from the TFT-LCD panels and modules. It operates businesses in Hong Kong, Mainland China, and Taiwan, out of which Hong Kong accounts for a majority of the revenue.