LandMark Optoelectronics (ROCO:3081) Change In Inventory: NT$-281 Mil (TTM As of Jun. 2026)

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ROCO:3081 LandMark Optoelectronics Corp ROCO:3081
78 GF Score
Price NT$2,805.00
GF Value NT$908.04
Valuation Significantly Overvalued
! 3 Warning Signs
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What is LandMark Optoelectronics Change In Inventory?

LandMark Optoelectronics ROCO:3081 +4.86% 78 Change In Inventory is NT$-281 Mil as of Jun. 2026. GuruFocus rates ROCO:3081 with a GF Score™ of 78/100 and a GF Value™ of NT$908.04 (Significantly Overvalued). The stock has 3 warning signs investors should review.

LandMark Optoelectronics's change in inventory for the quarter that ended in Jun. 2026 was NT$-45 Mil. It means LandMark Optoelectronics's inventory increased by NT$45 Mil from Mar. 2026 to Jun. 2026 .

LandMark Optoelectronics's change in inventory for the fiscal year that ended in Dec. 2025 was NT$-225 Mil. It means LandMark Optoelectronics's inventory increased by NT$225 Mil from Dec. 2024 to Dec. 2025 .

LandMark Optoelectronics's Total Inventories for the quarter that ended in Jun. 2026 was NT$640 Mil.

Days Inventory indicates the number of days of goods in sales that a company has in the inventory. LandMark Optoelectronics's Days Inventory for the quarter that ended in Jun. 2026 was 106.58.

Inventory Turnover measures how fast the company turns over its inventory within a year. LandMark Optoelectronics's Inventory Turnover for the quarter that ended in Jun. 2026 was 0.86.

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. LandMark Optoelectronics's Inventory-to-Revenue for the quarter that ended in Jun. 2026 was 0.51.


LandMark Optoelectronics  (ROCO:3081) Change In Inventory Explanation

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

LandMark Optoelectronics's Days Inventory for the quarter that ended in is calculated as:

Days Inventory=Average Total Inventories/Cost of Goods Sold*Days in Period
=617.935/529.069*365 / 4
=106.58

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

LandMark Optoelectronics'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.

LandMark Optoelectronics'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.


LandMark Optoelectronics Change In Inventory Related Terms


LandMark Optoelectronics Change In Inventory Historical Data

* Premium members only.

The historical data trend for LandMark Optoelectronics'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.

LandMark Optoelectronics Change In Inventory Chart

LandMark Optoelectronics 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 -105.36 -109.83 -12.28 10.95 -224.84

LandMark Optoelectronics 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 6.64 -55.88 -155.49 -24.30 -44.93
ROCO:3081
78GF Score
LandMark Optoelectronics Corp ROCO:3081
Change In Inventory is just one metric. See GF Score™, valuation, warning signs, and more.
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LandMark Optoelectronics 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$-281 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$-281 Mil mean?
LandMark Optoelectronics (ROCO:3081) has a Change In Inventory of NT$-281 Mil as of Jun. 2026. Change in Inventory is the difference between current-period inventory and past-period inventory. View historical data for LandMark Optoelectronics and its competitors.
Is LandMark Optoelectronics' Change In Inventory too high?
LandMark Optoelectronics' current Change In Inventory is NT$-281 Mil. Overall, LandMark Optoelectronics has a GF Score™ of 78/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does LandMark Optoelectronics' Change In Inventory compare to LRCX and AMAT?
LandMark Optoelectronics' Change In Inventory of NT$-281 Mil can be compared against companies in the Semiconductors 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 Semiconductors company?
A good Change In Inventory depends on the Semiconductors 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 LandMark Optoelectronics and its competitors. LandMark Optoelectronics's current Change In Inventory is NT$-281 Mil. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is LandMark Optoelectronics stock overvalued right now?
Based on GuruFocus' analysis, LandMark Optoelectronics (ROCO:3081) is currently considered Significantly Overvalued. The stock's GF Value™ is NT$908.04, compared to a current price of NT$2,805.00 — trading 208.9% above its estimated fair value. The current Change In Inventory is NT$-281 Mil. LandMark Optoelectronics' overall GF Score™ is 78/100 with 3 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 LandMark Optoelectronics (ROCO:3081), the current Change In Inventory is NT$-281 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 LandMark Optoelectronics (ROCO:3081) Overvalued in 2026?

Based on GuruFocus' analysis, LandMark Optoelectronics stock appears to be overvalued. The current stock price of NT$2,805.00 is trading 208.9% above its estimated GF Value™ of NT$908.04. GuruFocus considers LandMark Optoelectronics to be Significantly Overvalued.

Key valuation signals for ROCO:3081:

  • Change In Inventory: NT$-281 Mil
  • GF Value™: NT$908.04 vs. price of NT$2,805.00 (208.9% above fair value)
  • GF Score™: 78/100 with 3 warning signs

No single metric tells the full story. See the ROCO:3081 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.


LandMark Optoelectronics Business Description

Address No. 12, Nanke 9th Road, Southern Science Park, Shanhua District, Tainan, TWN
LandMark Optoelectronics Corp is active in the semiconductor industry as an epi-wafer supplier. It is engaged in the manufacturing, processing, and selling of optical semiconductors, laser diodes, and high brightness InAlGaP/AlGalnAs. The company operates in a single reportable segment, which is single product manufacturing and selling of wafers. Some of its products are DFB Epiwafer, EML Epiwafer, APD Epiwafer, FP Epiwafer, and PIN PD Epiwafer. Its geographical segments are United States, Mainland China, Taiwan, and others.
78GF Score

Get the complete analysis for ROCO:3081

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

NT$2,805.00
Price
NT$908.04
GF Value