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COHU vs DIOD
Cohu (COHU) vs Diodes Incorporated (DIOD) Earnings Preview: Q1 Expectations in Semiconductor Sector
Key Takeaways
- Cohu (COHU) reports Q1 2026 earnings on April 30, with analysts expecting EPS of $0.03 and revenue of $122 million.
- Diodes Incorporated (DIOD) schedules Q1 2026 results for May 7, guiding revenue between $383 million and $406 million.
- Both firms posted full-year 2025 revenue growth of 13%, reflecting semiconductor market recovery.
- COHU, a test equipment provider, benefits from AI-driven demand, while DIOD leverages discrete and analog components.
- DIOD's larger market cap (~$4.8B) contrasts COHU's ~$2.2B, with both trading at elevated forward multiples.
Earnings Context and Why This Comparison Matters
As semiconductor demand rebounds, particularly in AI and computing, COHU and DIOD offer insights into supply chain dynamics. Cohu specializes in semiconductor test and inspection systems, critical for quality assurance in chip production. Diodes Incorporated focuses on discrete semiconductors, analog products, and power management solutions used in automotive, consumer, and industrial applications. Their upcoming Q1 2026 earnings provide a snapshot of inventory normalization, end-market recovery, and exposure to high-growth areas like high-performance computing (HPC).
Cohu Focus
Cohu (COHU) will release Q1 2026 results on April 30, following a solid Q4 2025 where revenue hit $122 million, up 30% year-over-year, driven by recurring service revenue at 60% of mix and new HPC test orders. Analysts project Q1 EPS of $0.03 and revenue near $122 million, testing if momentum sustains amid softer automotive demand but strengthening AI datacenter testing. Full-year 2025 revenue reached $453 million, up 13%, though GAAP losses persisted due to restructuring and amortization. Investors watch for guidance on 2026 HPC ramp-up and gross margins, which held at 42.7% GAAP for the year.
Diodes Incorporated Context
Diodes (DIOD) reports Q1 2026 earnings on May 7. Q4 2025 delivered $391.6 million in revenue, up 15.4% year-over-year, with full-year sales at $1.5 billion, also up 13%. Management guided Q1 revenue to $383-$406 million, citing 25% growth in computing and continued automotive strength. GAAP EPS was $0.22 in Q4, with non-GAAP at $0.34; analysts eye similar profitability amid gross margins near 31%. Recent multi-year targets emphasize $2 billion revenue by 2028.
Head-to-Head Earnings and Market Comparison
COHU and DIOD both grew revenue 13% in 2025, but DIOD scales larger with ~3x COHU's revenue base. Cohu's test equipment niche ties closely to fab output, exposing it to cyclicality, while Diodes' diversified end-markets (auto 35%, consumer 30%) offer stability. Earnings quality favors DIOD with positive GAAP profits versus Cohu's losses. Growth drivers include AI/HPC for both, but risks like channel inventory linger. Sentiment leans positive on Diodes' guidance beats; Cohu must prove EPS inflection. Forward P/E exceeds 100x for Cohu, 45x+ for Diodes, reflecting recovery bets.
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Tickeron AI Verdict
Tickeron AI currently favors DIOD with a 65% probability edge over COHU, citing superior revenue scale, profitability trajectory, and diversified growth amid semiconductor upcycle.
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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 COHU is a Hold and DIOD is a Hold.
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 undervalued. We use an FA Score to show how many ratings show the ticker to be undervalued (green) or overvalued (red).
COHU’s FA Score shows that 1 FA rating(s) are green whileDIOD’s FA Score has 0 green FA rating(s).
- COHU’s FA Score: 1 green, 4 red.
- DIOD’s FA Score: 0 green, 5 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.
COHU’s TA Score shows that 4 TA indicator(s) are bullish while DIOD’s TA Score has 6 bullish TA indicator(s).
- COHU’s TA Score: 4 bullish, 4 bearish.
- DIOD’s TA Score: 6 bullish, 2 bearish.
Price Growth
COHU (@Electronic Production Equipment) experienced а +20.16% price change this week, while DIOD (@Semiconductors) price change was +8.31% for the same time period.
The average weekly price growth across all stocks in the @Electronic Production Equipment industry was +9.74%. For the same industry, the average monthly price growth was +27.52%, and the average quarterly price growth was +154.84%.
The average weekly price growth across all stocks in the @Semiconductors industry was +5.94%. For the same industry, the average monthly price growth was +15.19%, and the average quarterly price growth was +107.27%.
Reported Earning Dates
COHU is expected to report earnings on Jul 30, 2026.
DIOD is expected to report earnings on Aug 06, 2026.
Industries' Descriptions
@Electronic Production Equipment (+9.74% weekly)The electronic production equipment industry makes equipment used to produce semiconductors. Such equipment includes wafer fabrication, plasma etching and photo-resist processing equipment. The industry also makes chemical vapor deposition processing systems and photomasks, which are high-purity quartz plates that contain patterns to define integrated circuits layouts. Applied Materials, Inc., Lam Research Corporation, and KLA-Tencor Corporation are examples of electronic production equipment manufacturing companies.
@Semiconductors (+5.94% 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.
| COHU | DIOD | COHU / DIOD | |
| Capitalization | 3.27B | 5.49B | 60% |
| EBITDA | 6.05M | 255M | 2% |
| Gain YTD | 181.263 | 120.511 | 150% |
| P/E Ratio | 51.42 | 64.59 | 80% |
| Revenue | 481M | 1.56B | 31% |
| Total Cash | 489M | 404M | 121% |
| Total Debt | 327M | 105M | 311% |
COHU | DIOD | ||
|---|---|---|---|
OUTLOOK RATING 1..100 | 27 | 91 | |
VALUATION overvalued / fair valued / undervalued 1..100 | 46 Fair valued | 52 Fair valued | |
PROFIT vs RISK RATING 1..100 | 45 | 66 | |
SMR RATING 1..100 | 95 | 87 | |
PRICE GROWTH RATING 1..100 | 34 | 36 | |
P/E GROWTH RATING 1..100 | 5 | 80 | |
SEASONALITY SCORE 1..100 | 50 | 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.
COHU's Valuation (46) in the Electronic Production Equipment industry is in the same range as DIOD (52) in the Semiconductors industry. This means that COHU’s stock grew similarly to DIOD’s over the last 12 months.
COHU's Profit vs Risk Rating (45) in the Electronic Production Equipment industry is in the same range as DIOD (66) in the Semiconductors industry. This means that COHU’s stock grew similarly to DIOD’s over the last 12 months.
DIOD's SMR Rating (87) in the Semiconductors industry is in the same range as COHU (95) in the Electronic Production Equipment industry. This means that DIOD’s stock grew similarly to COHU’s over the last 12 months.
COHU's Price Growth Rating (34) in the Electronic Production Equipment industry is in the same range as DIOD (36) in the Semiconductors industry. This means that COHU’s stock grew similarly to DIOD’s over the last 12 months.
COHU's P/E Growth Rating (5) in the Electronic Production Equipment industry is significantly better than the same rating for DIOD (80) in the Semiconductors industry. This means that COHU’s stock grew significantly faster than DIOD’s over the last 12 months.
| COHU | DIOD | |
|---|---|---|
| RSI ODDS (%) | 1 day ago 84% | 8 days ago 77% |
| Stochastic ODDS (%) | 1 day ago 82% | 1 day ago 83% |
| Momentum ODDS (%) | 1 day ago 75% | 1 day ago 70% |
| MACD ODDS (%) | 1 day ago 81% | 1 day ago 69% |
| TrendWeek ODDS (%) | 1 day ago 75% | 1 day ago 69% |
| TrendMonth ODDS (%) | 1 day ago 75% | 1 day ago 66% |
| Advances ODDS (%) | 1 day ago 74% | 5 days ago 70% |
| Declines ODDS (%) | 15 days ago 70% | 3 days ago 74% |
| BollingerBands ODDS (%) | 1 day ago 83% | 1 day ago 59% |
| Aroon ODDS (%) | 1 day ago 75% | 1 day ago 73% |
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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% | -0.67% | ||
| KLIC - DIOD | 78% Closely correlated | -0.65% | ||
| COHU - DIOD | 74% Closely correlated | +4.87% | ||
| IPGP - DIOD | 72% Closely correlated | -1.42% | ||
| VECO - DIOD | 71% Closely correlated | +0.77% | ||
| AMKR - DIOD | 71% Closely correlated | -0.14% | ||
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