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ALAB vs AMBA
Which Stock Would AI Choose? Astera Labs (ALAB) vs. Ambarella (AMBA) Stock Comparison
Key Takeaways
- ALAB boasts a market cap of approximately $37 billion, dwarfing AMBA's $3.3 billion, reflecting stronger investor confidence in its AI infrastructure focus.
- ALAB delivered Q1 2026 revenue growth of 93% year-over-year to $308 million, driving YTD gains of nearly 30% and 1-year returns exceeding 199%.
- AMBA reported fiscal 2026 revenue of $391 million (up 37% YoY) but remains unprofitable with negative EPS, alongside modest YTD performance of about 5%.
- Both stocks operate in AI semiconductors—ALAB in cloud connectivity, AMBA in edge AI—but ALAB shows superior recent momentum from hyperscaler demand.
- ALAB's beta of 3.36 indicates higher volatility than AMBA's 2.16, appealing to growth-oriented traders amid sector rotations.
- Relative performance highlights ALAB's outperformance in recent market activity, fueled by earnings beats and product launches.
Introduction
Astera Labs (ALAB) and Ambarella (AMBA) represent key players in the semiconductor space, focusing on AI-driven solutions. ALAB specializes in connectivity for cloud and AI infrastructure, while AMBA targets edge AI processors for applications like automotive and security. This stock comparison analyzes their business models, recent performance, and market positioning amid surging AI demand. Traders seeking exposure to AI infrastructure growth and investors tracking relative performance in semiconductors will find insights into momentum, risks, and sector trends valuable for portfolio decisions.
ALAB Overview and Recent Performance
Astera Labs, Inc. (ALAB) is a fabless semiconductor company headquartered in San Jose, California, designing connectivity solutions—including PCIe (Peripheral Component Interconnect Express), CXL (Compute Express Link), and Ethernet products—to address data, networking, and memory bottlenecks in cloud and AI infrastructure. Serving hyperscalers and OEMs (original equipment manufacturers), it benefits from rack-scale AI deployments.
In recent market activity, ALAB stock has surged, with shares trading around $216 after a 7% daily gain, within a 52-week range of $63 to $263. Year-to-date returns stand at about 30%, with 1-year gains over 199%, driven by Q1 2026 results showing $308 million in revenue (93% YoY growth) and EPS of $0.61, beating estimates. Sentiment has strengthened on strong guidance, a new Scorpio X-Series switch launch for AI networking, and AI infrastructure tailwinds, though high valuation and competition temper enthusiasm.
AMBA Overview and Recent Performance
Ambarella, Inc. (AMBA) develops low-power system-on-a-chip (SoC) semiconductors and software for edge AI applications, including video processing for security, advanced driver-assistance systems (ADAS), cabin monitoring, and robotics. Operating from Santa Clara, California, it targets automotive, IoT (Internet of Things), and industrial markets.
AMBA shares recently closed near $74, up 5% in a session, with a 52-week range of $48 to $97. The stock has posted 1-month gains around 40% but flat YTD performance near 5% and 1-year returns of 48%. Fiscal 2026 revenue reached $391 million (37% YoY growth), with Q4 at $101 million, but ongoing losses (EPS -$1.78 TTM) reflect R&D investments in edge AI. Upcoming Q1 FY2027 earnings on May 28 add anticipation, with sentiment supported by AI vision design wins yet pressured by profitability concerns and sector competition.
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Head-to-Head Comparison
ALAB and AMBA both leverage AI but diverge in focus: ALAB's cloud-scale connectivity contrasts AMBA's edge devices, exposing ALAB to hyperscaler capex cycles and AMBA to automotive/IoT adoption. Growth drivers favor ALAB's 93% quarterly surge versus AMBA's steadier 37% annual pace.
Recent momentum tilts to ALAB with 72% 1-month gains and profitability (P/E 145), while AMBA trades at a negative P/E amid losses. Risk factors include ALAB's elevated beta (3.36) signaling volatility from AI hype, versus AMBA's 2.16 beta and design-win dependencies. Both share semiconductor exposure, but ALAB enjoys hotter cloud sentiment over AMBA's edge maturation.
Tickeron AI Verdict
Tickeron’s AI currently favors ALAB due to its trend consistency, recent earnings catalysts like 93% revenue growth, and superior relative positioning in high-demand AI connectivity. AMBA offers edge AI potential but lags in profitability and momentum. Probabilistic edge to ALAB amid ongoing infrastructure builds, though volatility warrants monitoring.
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 Disclaimers and Limitations.
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 ALAB is a Hold and AMBA 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).
ALAB’s FA Score shows that 1 FA rating(s) are green whileAMBA’s FA Score has 1 green FA rating(s).
- ALAB’s FA Score: 1 green, 4 red.
- AMBA’s FA Score: 1 green, 4 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.
ALAB’s TA Score shows that 6 TA indicator(s) are bullish while AMBA’s TA Score has 5 bullish TA indicator(s).
- ALAB’s TA Score: 6 bullish, 4 bearish.
- AMBA’s TA Score: 5 bullish, 4 bearish.
Price Growth
ALAB (@Semiconductors) experienced а +16.46% price change this week, while AMBA (@Electronic Production Equipment) price change was +6.37% for the same time period.
The average weekly price growth across all stocks in the @Semiconductors industry was +4.47%. For the same industry, the average monthly price growth was +39.39%, and the average quarterly price growth was +81.10%.
The average weekly price growth across all stocks in the @Electronic Production Equipment industry was -0.97%. For the same industry, the average monthly price growth was +20.42%, and the average quarterly price growth was +140.48%.
Reported Earning Dates
ALAB is expected to report earnings on Aug 11, 2026.
AMBA is expected to report earnings on May 28, 2026.
Industries' Descriptions
@Semiconductors (+4.47% 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.
@Electronic Production Equipment (-0.97% 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.
| ALAB | AMBA | ALAB / AMBA | |
| Capitalization | 39.9B | 3.55B | 1,123% |
| EBITDA | 233M | -56.94M | -409% |
| Gain YTD | 39.865 | 14.568 | 274% |
| P/E Ratio | 157.22 | N/A | - |
| Revenue | 1B | 391M | 256% |
| Total Cash | 1.18B | 313M | 378% |
| Total Debt | 4.15M | 13.4M | 31% |
AMBA | ||
|---|---|---|
OUTLOOK RATING 1..100 | 42 | |
VALUATION overvalued / fair valued / undervalued 1..100 | 88 Overvalued | |
PROFIT vs RISK RATING 1..100 | 100 | |
SMR RATING 1..100 | 94 | |
PRICE GROWTH RATING 1..100 | 40 | |
P/E GROWTH RATING 1..100 | 2 | |
SEASONALITY SCORE 1..100 | 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.
| ALAB | AMBA | |
|---|---|---|
| RSI ODDS (%) | 3 days ago 56% | 3 days ago 86% |
| Stochastic ODDS (%) | 3 days ago 78% | 5 days ago 84% |
| Momentum ODDS (%) | 3 days ago 87% | 6 days ago 81% |
| MACD ODDS (%) | 3 days ago 86% | N/A |
| TrendWeek ODDS (%) | 3 days ago 89% | 3 days ago 78% |
| TrendMonth ODDS (%) | 3 days ago 90% | 3 days ago 79% |
| Advances ODDS (%) | 3 days ago 89% | 7 days ago 75% |
| Declines ODDS (%) | 11 days ago 82% | 20 days ago 80% |
| BollingerBands ODDS (%) | 3 days ago 75% | 3 days ago 80% |
| Aroon ODDS (%) | 3 days ago 90% | 3 days ago 82% |
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ALAB and
Correlation & Price change
A.I.dvisor indicates that over the last year, ALAB has been loosely correlated with CRDO. These tickers have moved in lockstep 58% of the time. This A.I.-generated data suggests there is some statistical probability that if ALAB jumps, then CRDO could also see price increases.
| Ticker / NAME | Correlation To ALAB | 1D Price Change % | ||
|---|---|---|---|---|
| ALAB | 100% | +1.77% | ||
| CRDO - ALAB | 58% Loosely correlated | -6.70% | ||
| VECO - ALAB | 55% Loosely correlated | -1.46% | ||
| AMBA - ALAB | 54% Loosely correlated | +0.15% | ||
| LRCX - ALAB | 53% Loosely correlated | -4.82% | ||
| KLIC - ALAB | 51% Loosely correlated | -1.97% | ||
More | ||||
AMBA and
Correlation & Price change
A.I.dvisor indicates that over the last year, AMBA has been closely correlated with ADI. These tickers have moved in lockstep 68% of the time. This A.I.-generated data suggests there is a high statistical probability that if AMBA jumps, then ADI could also see price increases.
| Ticker / NAME | Correlation To AMBA | 1D Price Change % | ||
|---|---|---|---|---|
| AMBA | 100% | +0.15% | ||
| ADI - AMBA | 68% Closely correlated | -2.18% | ||
| RMBS - AMBA | 68% Closely correlated | -2.61% | ||
| NXPI - AMBA | 65% Loosely correlated | -0.91% | ||
| MTSI - AMBA | 65% Loosely correlated | -2.08% | ||
| SLAB - AMBA | 65% Loosely correlated | -0.33% | ||
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