DiodesDIOD +1.71%67 ROE % is 3.18% as of Mar. 2026, which is 70% below its 10-year median of 10.64. GuruFocus rates DIOD with a GF Score™ of 67/100 and a GF Value™ of $67.87 (Significantly Overvalued). The stock has 8 warning signs investors should review. Among 1,004 Semiconductors companies, Diodes ranks better than 50% on this metric.
ROE % is calculated as Net Income divided by its average Total Stockholders Equity over a certain period of time. Diodes's annualized net income for the quarter that ended in Mar. 2026 was $60 Mil. Diodes's average Total Stockholders Equity over the quarter that ended in Mar. 2026 was $1,884 Mil. Therefore, Diodes's annualized ROE % for the quarter that ended in Mar. 2026 was 3.18%.
The historical rank and industry rank for Diodes's ROE % or its related term are showing as below:
DIOD'
s ROE % Range Over the Past 10 Years
Min: -0.22 Med: 10.64 Max: 24.09
Current: 4.58
During the past 13 years, Diodes's highest ROE % was 24.09%. The lowest was -0.22%. And the median was 10.64%.
DIOD's ROE % is ranked better than 50% of 1004
companies
in the Semiconductors industry
Industry Median: 4.55
vs DIOD: 4.58
Diodes (NAS:DIOD) ROE % Explanation
ROE % measures the rate of return on the ownership interest (shareholder's equity) of the common stock owners. It measures a firm's efficiency at generating profits from every unit of shareholders' equity (also known as net assets or assets minus liabilities). ROE % shows how well a company uses investment funds to generate earnings growth. ROE %s between 15% and 20% are considered desirable.
The factors that affect a company's ROE % can be illustrated with the three-step DuPont Analysis:
Note:
The net income data used here is four times the quarterly (Mar. 2026) net income data. The Revenue data used here is four times the quarterly (Mar. 2026) revenue data. The same rule applies to Pre-Tax Income and Operating Income.
* In the five-step DuPont Analysis, Operating Income is only available for non-financial companies. Thus, for Insurance companies, we use EBIT as a substitution of Operating Income. For Banks, both Operating Income and EBIT is unavailable. Thus we combined Interest Burden and Operating Margin % into Pretax Margin %, and the DuPont Analysis is divided into four components instead.
* 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
Net Income is used.
Because a company can increase its ROE % by having more financial leverage, it is important to watch the equity multiplier when investing in high ROE % companies. Like ROA %, ROE % is calculated with only 12 months data. Fluctuations in company's earnings or business cycles can affect the ratio drastically. It is important to look at the ratio from a long term perspective.
Asset light businesses require very few assets to generate very high earnings. Their ROE %s can be extremely high.
Diodes ROE % Related Terms
Diodes ROE % Historical Data
* Premium members only.
The historical data trend for Diodes's ROE % 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.
For the Semiconductors subindustry, Diodes's ROE %, along with its competitors' market caps and ROE % 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.
Diodes ROE % vs Semiconductors Industry
For the Semiconductors industry and Technology sector, Diodes's ROE % distribution charts can be found below:
* The bar in red indicates where Diodes's ROE % 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.
In the calculation of annual ROE %, the net income of the last fiscal year and the average total shareholder equity over the fiscal year are used. In calculating the quarterly data,
the net income data used here is four times the quarterly (Mar. 2026) net income data.
ROE % is displayed in the 30-year financial page.
Diodes (DIOD) has a ROE % of 3.18% as of Mar. 2026. Return on equity is the ratio of current-period net income to average two-period total equity. View historical data on Diodes and its competitors. This is 70% below median its historical median of 10.64. According to the industry distribution chart, Diodes ranks #502 out of 1004 companies in the Semiconductors industry, placing it in the top 50%.
Is Diodes' ROE % too high?
Diodes' current ROE % of 3.18% is 70% below median its 10-year median of 10.64. The Semiconductors industry median ROE % is 4.55. Diodes' value of 3.18% is 30.1% below this industry median. Based on the distribution chart, Diodes ranks #502 out of 1004 companies in the Semiconductors industry, which is above the industry midpoint. Overall, Diodes has a GF Score™ of 67/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Diodes' ROE % compare to POWI and PI?
According to the Semiconductors industry distribution chart, Diodes ranks #502 out of 1004 companies for ROE %. This puts Diodes in the upper half of its industry. The industry median ROE % is 4.55. Diodes' value of 3.18% is 30.1% below this benchmark. While the company's 10-year median is 10.64 vs. the industry median of 4.55, Diodes 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 ROE % for a Semiconductors company?
The median ROE % among Semiconductors companies is 4.55, based on 1,004 companies in the industry. Companies in the top quartile (top 25%) have a ROE % significantly above this median, while those in the bottom quartile fall well below. However, ROE % should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Diodes's current ROE % of 3.18% is 30.1% 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 ROE % mean?
A high ROE % can signal that a stock is expensive relative to its fundamentals. Return on equity is the ratio of current-period net income to average two-period total equity. View historical data on Diodes and its competitors. For the Semiconductors industry, the median ROE % is 4.55 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Diodes's current ROE % is 3.18%, which is 70% below median its own 10-year median of 10.64. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Diodes stock overvalued right now?
Based on GuruFocus' analysis, Diodes (DIOD) is currently considered Significantly Overvalued. The stock's GF Value™ is $67.87, compared to a current price of $114.97 — trading 69.4% above its estimated fair value. The current ROE % is 3.18%, which is 70% below median its 10-year median of 10.64 and 30.1% below the Semiconductors industry median of 4.55. Diodes' overall GF Score™ is 67/100 with 8 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is ROE % calculated?
ROE % is calculated from a company's financial statements. For Diodes (DIOD), the current ROE % is 3.18% as of Mar. 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 Diodes (DIOD) Overvalued in 2026?
Based on GuruFocus' analysis, Diodes stock appears to be overvalued.
The current stock price of $114.97 is trading 69.4% above its estimated GF Value™ of $67.87.
GuruFocus considers Diodes to be Significantly Overvalued.
Key valuation signals for DIOD:
ROE %: 3.18% (70% below median its 10-year median of 10.64)
GF Value™: $67.87 vs. price of $114.97 (69.4% above fair value)
Industry Position: 30.1% below the Semiconductors median (#502 of 1004)
No single metric tells the full story. See the DIOD stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Diodes Inc is a manufacturer and supplier of high-quality application-specific products within the broad discrete, logic, analog, and mixed-signal semiconductor markets. It serves the customer electronics, computing, communications, industrial, and automotive markets. The Company's products include diodes; rectifiers; transistors; MOSFETs; GPP bridges; GPP rectifiers; protection devices; function-specific arrays; single gate logic; amplifiers and comparators; Hall-effect and temperature sensors; and power management devices, including LED drivers, AC-DC converters and controllers, DC-DC switching and linear voltage regulators, voltage references along with special-function devices, such as USB power switches, load switches, voltage supervisors, and motor controllers.
67GF Score
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