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DIOD vs MPWR
Which Stock Would AI Choose? Diodes Incorporated (DIOD) vs. Monolithic Power Systems (MPWR) Stock Comparison
Key Takeaways
- Tickeron AI Verdict: MPWR is the favored ticker of the two, reflecting more consistent trend strength, structurally higher gross margins, and diversified AI and automotive catalysts.
- DIOD is a mid-cap maker of discrete, logic, analog, and mixed-signal semiconductors, while MPWR is a large-cap, fabless designer of power-management solutions.
- Both names benefit from AI data-center and automotive demand, but MPWR carries far greater scale and a gross margin roughly double that of DIOD.
- DIOD is accelerating, with recent quarterly revenue up more than 30% year over year on record automotive and AI-server computing demand.
- MPWR is seeing its enterprise-data segment rebound, with book-to-bill well above 1.0 and management citing roughly 50% growth as a conservative outlook floor.
- For deeper detail, visit DIOD Major News and DIOD Today's Price Move, as well as MPWR Major News and MPWR Today's Price Move.
- To see how automated strategies are positioning across the market, explore the curated Trending AI Robots page.
Introduction
Semiconductor investors weighing the AI-computing and automotive recovery often face a choice between focused mid-cap suppliers and diversified large-cap leaders. This stock comparison examines DIOD (Diodes Incorporated) and MPWR (Monolithic Power Systems), two analog-power names operating at very different points on the scale and profitability spectrum. Both have reported strengthening demand across computing, automotive, and industrial markets in recent quarters, yet their relative performance, margin profiles, and risk characteristics diverge meaningfully. This comparison is relevant for traders evaluating momentum and market positioning, as well as longer-horizon investors assessing which business model offers the more durable growth path in the current environment.
DIOD Overview and Recent Performance
DIOD, headquartered in Plano, Texas, designs and manufactures application-specific discrete, logic, analog, and mixed-signal semiconductors. Its products span computing, automotive, industrial, and communications end markets, with an increasing emphasis on design wins for AI server-related applications and automotive electronics.
Recent market activity reflects an acceleration in the company's fundamentals. Management has reported four consecutive quarters of double-digit year-over-year revenue growth, with the most recent quarter's revenue rising more than 30% from the prior year to a record level. Automotive sales set a new record, growing roughly 60% year over year, while industrial revenue rose about 50% and computing revenue climbed on AI-server demand. The company has also outlined interim three-year financial targets centered on reaching approximately $2 billion in annual revenue, a gross margin above 35%, and non-GAAP earnings per share (EPS, a profitability measure that excludes certain one-time items) above $4. Despite this momentum, DIOD carries a lower structural gross margin (recently in the low-to-mid 30% range) and remains more exposed to the cyclicality of legacy discrete and commodity product lines, which has contributed to comparatively choppy earnings and share-price behavior in recent periods.
MPWR Overview and Recent Performance
MPWR, based in Kirkland, Washington, is a fabless semiconductor company that designs high-performance analog and mixed-signal power-management solutions used in enterprise data, storage and computing, automotive, industrial, communications, and consumer applications. Its fabless model means it outsources manufacturing, contributing to a leaner cost structure and gross margins consistently in the mid-50% range.
Recent weeks have highlighted broad-based strength. Full-year revenue grew more than 26%, and the company posted record quarterly sales while automotive revenue surged roughly 43% on new 48-volt and zonal-architecture solutions. Non-enterprise-data end markets expanded more than 40% during the year, underscoring diversification. Critically, the enterprise-data segment — historically its largest — has rebounded, with book-to-bill above 1.0 and backlog extending into the coming year; management now treats roughly 50% growth as a conservative floor. The company also raised its quarterly dividend by 28% and has returned more than 72% of free cash flow (cash generated after capital expenditures) to shareholders over three years. The stock has recovered sharply after a late-2024 pullback tied to data-center share concerns, and Wall Street consensus remains strongly positive, though valuation is considerably richer than that of DIOD.
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Head-to-Head Comparison
The clearest contrast between the two is scale and profitability. MPWR operates at a market capitalization in the tens of billions of dollars with gross margins near 55%, while DIOD is a mid-cap with gross margins in the low-to-mid 30% range. On growth drivers, both are levered to AI computing and automotive electrification, but MPWR derives a larger share of revenue from high-value power modules and enterprise-data solutions, whereas DIOD leans more heavily on discrete and commodity-adjacent products that amplify cyclical swings.
Momentum and sentiment also differ. MPWR has delivered a steadier, multi-quarter recovery and enjoys a "Strong Buy" consensus with a large-cap growth multiple, reflecting premium expectations. DIOD is improving at a faster recent rate from a smaller base, but its earnings have historically been more volatile, and its valuation is more sensitive to margin execution. Risk profiles diverge accordingly: DIOD faces underutilization, inventory-cycle, and commodity-pricing pressures, while MPWR faces concentration and valuation risk tied to AI data-center ordering patterns and its premium multiple.
Tickeron AI Verdict
Based on observable factors, Tickeron's AI would currently favor MPWR over DIOD. The preference reflects MPWR's more consistent trend, structurally higher and more stable gross margins, diversified end-market growth, a rebounding enterprise-data backlog, and a steadier long-term relative-performance profile. While DIOD shows compelling acceleration and a more favorable valuation entry point, its lower margins and greater cyclicality introduce more variability into the trend signal. This assessment is probabilistic rather than definitive, grounded in momentum consistency, margin durability, and catalyst breadth rather than any prediction of future prices.
Disclaimer
The information on this webpage is provided for general informational and educational purposes only and is not intended as investment advice, a recommendation to purchase or sell any security, or an offer or solicitation related to investments. It does not consider your personal financial situation, goals, or risk profile, and all investing carries inherent risks, including the possibility of losing your entire investment. For more details, please review our full disclaimer.
To compare these two companies we present long-term analysis, their fundamental ratings and make comparative short-term technical analysis which are presented below. The conclusion is DIOD is a StrongBuy and MPWR is a StrongBuy.
DIOD in upward trend: price may ascend as a result of having broken its lower Bollinger Band on November 05, 2026
DIOD may jump back above the lower band and head toward the middle band. Traders may consider buying the stock or exploring call options. In 35 of 41 cases where DIOD's price broke its lower Bollinger Band, its price rose further in the following month. The odds of a continued upward trend are 85%.
Technical Analysis (Indicators)
Bullish Trend Analysis
The RSI Indicator points to a transition from a downward trend to an upward trend -- in cases where DIOD's RSI Oscillator exited the oversold zone, 23 of 29 resulted in an increase in price. Tickeron's analysis proposes that the odds of a continued upward trend are 79%.
The Momentum Indicator moved above the 0 level on November 11, 2026. You may want to consider a long position or call options on DIOD as a result. In 64 of 94 past instances where the momentum indicator moved above 0, the stock continued to climb. The odds of a continued upward trend are 68%.
The Moving Average Convergence Divergence (MACD) for DIOD just turned positive on November 10, 2026. Looking at past instances where DIOD's MACD turned positive, the stock continued to rise in 37 of 47 cases over the following month. The odds of a continued upward trend are 79%.
DIOD moved above its 50-day moving average on November 11, 2026 date and that indicates a change from a downward trend to an upward trend.
Following a +5.62% 3-day Advance, the price is estimated to grow further. Considering data from situations where DIOD advanced for three days, in 199 of 286 cases, the price rose further within the following month. The odds of a continued upward trend are 70%.
Bearish Trend Analysis
The Stochastic Oscillator has been in the overbought zone for 2 days. Expect a price pull-back in the near future.
The 10-day moving average for DIOD crossed bearishly below the 50-day moving average on October 16, 2026. This indicates that the trend has shifted lower and could be considered a sell signal. In 15 of 18 past instances when the 10-day crossed below the 50-day, the stock continued to move higher over the following month. The odds of a continued downward trend are 83%.
Following a 3-day decline, the stock is projected to fall further. Considering past instances where DIOD declined for three days, the price rose further in 50 of 62 cases within the following month. The odds of a continued downward trend are 75%.
The Aroon Indicator for DIOD entered a downward trend on November 12, 2026. This could indicate a strong downward move is ahead for the stock. Traders may want to consider selling the stock or buying put options.
Fundamental Analysis (Ratings)
The Tickeron PE Growth Rating for this company is 19 (best 1 - 100 worst), pointing to outstanding earnings growth. The PE Growth rating is based on a comparative analysis of stock PE ratio increase over the last 12 months compared against S&P 500 index constituents.
The Tickeron Price Growth Rating for this company is 44 (best 1 - 100 worst), indicating steady price growth. DIOD’s price grows at a higher rate over the last 12 months as compared to S&P 500 index constituents.
The Tickeron Valuation Rating of 68 (best 1 - 100 worst) indicates that the company is slightly overvalued in the industry. This rating compares market capitalization estimated by our proprietary formula with the current market capitalization. This rating is based on the following metrics, as compared to industry averages: P/B Ratio (1.825) is normal, around the industry mean (5.443). P/E Ratio (41.369) is within average values for comparable stocks, (15.640). Projected Growth (PEG Ratio) (0.790) is also within normal values, averaging (3.803). Dividend Yield (0.000) settles around the average of (0.014) among similar stocks. P/S Ratio (2.539) is also within normal values, averaging (46.468).
The Tickeron SMR rating for this company is 84 (best 1 - 100 worst), indicating weak sales and an unprofitable business model. SMR (Sales, Margin, Return on Equity) rating is based on comparative analysis of weighted Sales, Income Margin and Return on Equity values compared against S&P 500 index constituents. The weighted SMR value is a proprietary formula developed by Tickeron and represents an overall profitability measure for a stock.
The Tickeron Seasonality Score of 85 (best 1 - 100 worst) indicates that the company is significantly overvalued in the industry. The Tickeron Seasonality score describes the variance of predictable price changes around the same period every calendar year. These changes can be tied to a specific month, quarter, holiday or vacation period, as well as a meteorological or growing season.
The Tickeron Profit vs. Risk Rating rating for this company is 95 (best 1 - 100 worst), indicating that the returns do not compensate for the risks. DIOD’s unstable profits reported over time resulted in significant Drawdowns within these last five years. A stable profit reduces stock drawdown and volatility. The average Profit vs. Risk Rating rating for the industry is 78, placing this stock worse than average.
MPWR in upward trend: 10-day moving average crossed above 50-day moving average on November 11, 2026
The 10-day moving average for MPWR crossed bullishly above the 50-day moving average on November 11, 2026. This indicates that the trend has shifted higher and could be considered a buy signal. In 14 of 15 past instances when the 10-day crossed above the 50-day, the stock continued to move higher over the following month. The odds of a continued upward trend are 90%.
Technical Analysis (Indicators)
Bullish Trend Analysis
The Momentum Indicator moved above the 0 level on November 06, 2026. You may want to consider a long position or call options on MPWR as a result. In 76 of 95 past instances where the momentum indicator moved above 0, the stock continued to climb. The odds of a continued upward trend are 80%.
The Moving Average Convergence Divergence (MACD) for MPWR just turned positive on November 09, 2026. Looking at past instances where MPWR's MACD turned positive, the stock continued to rise in 37 of 46 cases over the following month. The odds of a continued upward trend are 80%.
MPWR moved above its 50-day moving average on November 09, 2026 date and that indicates a change from a downward trend to an upward trend.
Following a +22.68% 3-day Advance, the price is estimated to grow further. Considering data from situations where MPWR advanced for three days, in 237 of 318 cases, the price rose further within the following month. The odds of a continued upward trend are 75%.
Bearish Trend Analysis
The Stochastic Oscillator has been in the overbought zone for 1 day. Expect a price pull-back in the near future.
The 50-day moving average for MPWR moved below the 200-day moving average on October 20, 2026. This could be a long-term bearish signal for the stock as the stock shifts to an downward trend.
Following a 3-day decline, the stock is projected to fall further. Considering past instances where MPWR declined for three days, the price rose further in 50 of 62 cases within the following month. The odds of a continued downward trend are 70%.
MPWR broke above its upper Bollinger Band on November 11, 2026. This could be a sign that the stock is set to drop as the stock moves back below the upper band and toward the middle band. You may want to consider selling the stock or exploring put options.
The Aroon Indicator for MPWR entered a downward trend on November 10, 2026. This could indicate a strong downward move is ahead for the stock. Traders may want to consider selling the stock or buying put options.
Fundamental Analysis (Ratings)
The Tickeron PE Growth Rating for this company is 3 (best 1 - 100 worst), pointing to outstanding earnings growth. The PE Growth rating is based on a comparative analysis of stock PE ratio increase over the last 12 months compared against S&P 500 index constituents.
The Tickeron Profit vs. Risk Rating rating for this company is 23 (best 1 - 100 worst), indicating low risk on high returns. The average Profit vs. Risk Rating rating for the industry is 78, placing this stock better than average.
The Tickeron Price Growth Rating for this company is 41 (best 1 - 100 worst), indicating steady price growth. MPWR’s price grows at a higher rate over the last 12 months as compared to S&P 500 index constituents.
The Tickeron SMR rating for this company is 44 (best 1 - 100 worst), indicating strong sales and a profitable business model. SMR (Sales, Margin, Return on Equity) rating is based on comparative analysis of weighted Sales, Income Margin and Return on Equity values compared against S&P 500 index constituents. The weighted SMR value is a proprietary formula developed by Tickeron and represents an overall profitability measure for a stock.
The Tickeron Valuation Rating of 87 (best 1 - 100 worst) indicates that the company is significantly overvalued in the industry. This rating compares market capitalization estimated by our proprietary formula with the current market capitalization. This rating is based on the following metrics, as compared to industry averages: MPWR's P/B Ratio (15.018) is slightly higher than the industry average of (5.443). P/E Ratio (72.279) is within average values for comparable stocks, (15.640). Projected Growth (PEG Ratio) (1.014) is also within normal values, averaging (3.803). Dividend Yield (0.007) settles around the average of (0.014) among similar stocks. P/S Ratio (17.153) is also within normal values, averaging (46.468).
DIOD | MPWR | ||
|---|---|---|---|
OUTLOOK RATING 1..100 | 26 | 24 | |
VALUATION overvalued / fair valued / undervalued 1..100 | 68 Overvalued | 87 Overvalued | |
PROFIT vs RISK RATING 1..100 | 95 | 23 | |
SMR RATING 1..100 | 84 | 44 | |
PRICE GROWTH RATING 1..100 | 44 | 41 | |
P/E GROWTH RATING 1..100 | 19 | 3 | |
SEASONALITY SCORE 1..100 | 85 | 50 |
Tickeron ratings are formulated such that a rating of 1 designates the most successful stocks in a given industry, while a rating of 100 points to the least successful stocks for that industry.
DIOD's Valuation (68) in the Semiconductors industry is in the same range as MPWR (87). This means that DIOD’s stock grew similarly to MPWR’s over the last 12 months.
MPWR's Profit vs Risk Rating (23) in the Semiconductors industry is significantly better than the same rating for DIOD (95). This means that MPWR’s stock grew significantly faster than DIOD’s over the last 12 months.
MPWR's SMR Rating (44) in the Semiconductors industry is somewhat better than the same rating for DIOD (84). This means that MPWR’s stock grew somewhat faster than DIOD’s over the last 12 months.
MPWR's Price Growth Rating (41) in the Semiconductors industry is in the same range as DIOD (44). This means that MPWR’s stock grew similarly to DIOD’s over the last 12 months.
MPWR's P/E Growth Rating (3) in the Semiconductors industry is in the same range as DIOD (19). This means that MPWR’s stock grew similarly to DIOD’s over the last 12 months.
| DIOD | MPWR | |
|---|---|---|
| RSI ODDS (%) | 1 day ago 79% | N/A |
| Stochastic ODDS (%) | 1 day ago 73% | 1 day ago 68% |
| Momentum ODDS (%) | 1 day ago 68% | 1 day ago 80% |
| MACD ODDS (%) | 1 day ago 79% | 1 day ago 80% |
| TrendWeek ODDS (%) | 1 day ago 70% | 1 day ago 79% |
| TrendMonth ODDS (%) | 1 day ago 67% | 1 day ago 79% |
| Advances ODDS (%) | 1 day ago 70% | 5 days ago 75% |
| Declines ODDS (%) | 9 days ago 75% | 9 days ago 70% |
| BollingerBands ODDS (%) | 1 day ago 85% | 1 day ago 77% |
| Aroon ODDS (%) | 1 day ago 70% | 1 day ago 75% |
Long-Term Analysis
It is best to consider a long-term outlook for a ticker by using Fundamental Analysis (FA) ratings. The rating of 1 to 100, where 1 is best and 100 is worst, is divided into thirds. The first third (a green rating of 1-33) indicates that the ticker is undervalued; the second third (a grey number between 34 and 66) means that the ticker is valued fairly; and the last third (red number of 67 to 100) reflects that the ticker is overvalued. We use an FA Score to show how many ratings show the ticker to be undervalued (green) or overvalued (red).
DIOD’s FA Score shows that 1 FA rating(s) are green while MPWR’s FA Score has 2 green FA rating(s).
- DIOD’s FA Score: 1 green, 4 red.
- MPWR’s FA Score: 2 green, 3 red.
Short-Term Analysis
It is best to consider a short-term outlook for a ticker by using Technical Analysis (TA) indicators. We use Odds of Success as the percentage of outcomes which confirm successful trade signals in the past.
If the Odds of Success (the likelihood of the continuation of a trend) for each indicator are greater than 50%, then the generated signal is confirmed. A green percentage from 90% to 51% indicates that the ticker is in a bullish trend. A red percentage from 90% - 51% indicates that the ticker is in a bearish trend. All grey percentages are below 50% and are considered not to confirm the trend signal.
DIOD’s TA Score shows that 6 TA indicator(s) are bullish while MPWR’s TA Score has 5 bullish TA indicator(s).
- DIOD’s TA Score: 6 bullish, 4 bearish.
- MPWR’s TA Score: 5 bullish, 5 bearish.
Price Growth
DIOD (@Semiconductors) experienced а +34.00% price change this week, while MPWR (@Semiconductors) price change was +27.93% for the same time period.
The average weekly price growth across all stocks in the @Semiconductors industry was +19.11%. For the same industry, the average monthly price growth was -12.43%, and the average quarterly price growth was -26.70%.
Reported Earning Dates
DIOD is expected to report earnings on Feb 16, 2027.
MPWR is expected to report earnings on Feb 11, 2027.
Industries' Descriptions
@Semiconductors (+19.11% weekly)The semiconductor industry manufacturers all chip-related products, including research and development. These chips are used in innumerable electronic devices, including computers, cell phones, smartphones, and GPSs. Intel Corporation, NVIDIA Corp., and Broadcomm are some of the prominent players in this industry. Semiconductor companies usually tend to do well during periods of healthy economic growth, thereby inducing further research and development in the industry – which in turn augurs well for productivity and growth in the economy. In the near future, demand for semiconductor products (and possibly innovation within the segment) should only expand further, with the proliferation of 5G, autonomous vehicles, IoT, and various AI-driven electronics set to herald a new, advanced chapter in the technology-driven world as we know it. With burgeoning prospects comes great competition. In 2015, SIA estimated that U.S. semiconductor industry ranks as the second most competitive U.S. industry out of 2882 U.S. industries designated manufacturers by the U.S. Census Bureau.
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DIOD and
Correlation & Price change
A.I.dvisor indicates that over the last year, DIOD has been closely correlated with KLIC. These tickers have moved in lockstep 78% of the time. This A.I.-generated data suggests there is a high statistical probability that if DIOD jumps, then KLIC could also see price increases.
| Ticker / NAME | Correlation To DIOD | 1D Price Change % | ||
|---|---|---|---|---|
| DIOD | 100% | +0.36% | ||
| KLIC - DIOD | 78% Closely correlated | -1.07% | ||
| LSCC - DIOD | 77% Closely correlated | -3.19% | ||
| COHU - DIOD | 74% Closely correlated | -2.12% | ||
| MPWR - DIOD | 73% Closely correlated | -2.12% | ||
| POWI - DIOD | 73% Closely correlated | -0.92% | ||
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MPWR and
Correlation & Price change
A.I.dvisor indicates that over the last year, MPWR has been closely correlated with ADI. These tickers have moved in lockstep 77% of the time. This A.I.-generated data suggests there is a high statistical probability that if MPWR jumps, then ADI could also see price increases.
| Ticker / NAME | Correlation To MPWR | 1D Price Change % | ||
|---|---|---|---|---|
| MPWR | 100% | -2.12% | ||
| ADI - MPWR | 77% Closely correlated | +0.05% | ||
| KLAC - MPWR | 74% Closely correlated | -2.30% | ||
| LSCC - MPWR | 74% Closely correlated | -3.19% | ||
| ALGM - MPWR | 73% Closely correlated | -1.25% | ||
| LRCX - MPWR | 73% Closely correlated | -0.89% | ||
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