On August 24, 2026, Diodes Inc DIOD shares fell 4.6%, bringing the current price to $89.67. This decline comes in the context of a 52-week high of $125.99 and a low of $42.28, reflecting considerable volatility over the past year. The stock has shown significant year-to-date performance, up 81.9%, and a 1-year increase of 59.6%.
- GF Valueâ„¢ verdict: Current price $89.67 vs GF Value $71.11, indicating the stock is 26.1% overvalued.
- GF Scoreâ„¢ of 83/100 suggests a strong overall performance, with solid financial strength and momentum.
- Notable signal: Insiders sold $16.9M worth of shares over the past 12 months, indicating potential caution.
Is DIOD Overvalued or Undervalued?
Diodes Inc DIOD is currently trading at $89.67, which is significantly above the GuruFocus GF Valueâ„¢ estimate of $71.11. This indicates that the stock is approximately 26.1% overvalued, suggesting there may be limited upside potential in the near term. The GF Valueâ„¢ estimate is derived from a combination of historical trading multiples, past business growth, and future performance projections. Given the current price, there appears to be a lack of margin for safety, which is a crucial consideration for potential investors.
The GF Valuation label categorizes DIOD as "Modestly Overvalued," further supporting the assertion that the current stock price does not align well with its intrinsic value. Investors should be aware of the risks associated with investing in a stock priced above its estimated fair value, as this could lead to price corrections in the future.

How Does DIOD's Valuation Compare to Its History?
| Metric | Current | Historical |
|---|---|---|
| P/E (TTM) | 48.5x | 20.9x |
| Forward P/E | 27.8x | N/A |
Currently, DIOD's price-to-earnings (P/E) ratio stands at 48.5x, which is a staggering 132% higher than its 5-year median P/E of 20.9x. The forward P/E ratio of 27.8x also suggests that the stock is trading at a premium compared to its historical valuations. This analysis aligns with the GF Valueâ„¢ verdict that indicates DIOD is overvalued at its current price.

What Does DIOD's GF Scoreâ„¢ Tell Us?
The GF Scoreâ„¢ is a comprehensive measure that evaluates a stock's overall performance based on various criteria, including financial strength, profitability, growth, valuation, and momentum. Diodes Inc has a GF Scoreâ„¢ of 83/100, indicating a strong performance overall. The strongest sub-rank is in financial strength (9/10), while the valuation rank is the weakest (5/10).
| Metric | Rating |
|---|---|
| GF Scoreâ„¢ | 83/100 |
| Financial Strength | 9/10 |
| Profitability | 7/10 |
| Growth | 7/10 |
| Valuation | 5/10 |
| Momentum | 9/10 |
DIOD's strong financial strength and momentum scores highlight its operational resilience and market performance. However, the relatively lower valuation score suggests that the stock may not be priced as favorably compared to its historical performance. Investors may want to consider these factors when assessing their interest in DIOD.
What Are Gurus and Insiders Doing with DIOD?
Currently, six gurus hold positions in Diodes Inc, with four increasing their stake and three trimming their positions in recent quarters. This indicates a mixed sentiment among institutional investors, where some see potential in the stock while others are exercising caution.
Additionally, insider activity shows that insiders sold $16.9 million worth of shares over the past twelve months with no reported buying. This selling behavior may raise concerns about the company's future prospects from the insiders' perspective. Such patterns can influence investor sentiment, as insider selling often reflects a lack of confidence in the stock's near-term performance.

What This Means for Investors
Based on the analysis, Diodes Inc DIOD appears to be overvalued at its current price of $89.67, with the GF Valueâ„¢ estimate indicating a fair value of $71.11. Given the high P/E ratio compared to its historical averages and the signals from insider activity, investors should approach this stock with caution. For more detailed insights, you can visit the Diodes Inc (DIOD) stock page, and explore the GF Valueâ„¢ page for additional valuation metrics.
Frequently Asked Questions
What is DIOD's GF Scoreâ„¢?
DIOD has a GF Scoreâ„¢ of 83/100, indicating a strong overall performance based on various criteria, including financial strength and growth potential.
Is DIOD overvalued or undervalued?
DIOD is currently overvalued, with the GF Valueâ„¢ estimate indicating a fair value of $71.11, which is significantly lower than the current price of $89.67.
What is DIOD's P/E ratio?
DIOD's P/E ratio is 48.5x, which is 132% above its 5-year median P/E of 20.9x, indicating that the stock is trading at a substantial premium compared to its historical valuation.
This stock alert was generated using automated technology and GuruFocus financial data to provide readers with timely and accurate market reporting. This content was reviewed by GuruFocus editorial team prior to publication. Please send any questions or comments about this story to [email protected].
