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The price of Astera Labs, Inc. (ALAB) on October 9, 2026 is 341.44 USD, -1.62% on the day. Over 52 weeks the stock traded between 97.89 USD and 499.48 USD; the price now sits 62% of the way up that range. Over the past year the price changed by +63.63%. The P/E ratio is 222.1, which is above the sector median (35.6). Market capitalization is 59.44 billion USD, rank 12 among 73 stocks of the same industry with a known capitalization.
Closing prices for 09 October 2026
Next earnings report: 03 November 2026 · Earnings calendar
Astera Labs, Inc. trades on Nasdaq under the ticker ALAB. The company belongs to the Technology sector. The trading history on this page starts on 20 March 2024.
Over the past 52 weeks ALAB has traded between 97.89 $ and 499.48 $. As of 09 October 2026 the price stood 60.84 % of the way from the 52-week low to the high.
Over one year ALAB shares rose 56.00 %; over six months they rose 129.59 %. Volatility over 90 days is 101.56 %. Dividends are not included: this is price change only, as of 09 October 2026.
ALAB trades at a price-to-earnings ratio of 219, above the sector median of 36.4. Price to sales is 58.5, above the sector median of 3.7. Price to book is 39.2, above the sector median of 4.0. Calculated from reports for the period ending 31 March 2026.
| Date | Open | High | Low | Close | Volume, shares |
|---|---|---|---|---|---|
| 09 October 2026 | 345.00 | 349.95 | 326.25 | 342.21 | 4M |
| 08 October 2026 | 374.68 | 383.15 | 342.54 | 347.05 | 6M |
| 07 October 2026 | 376.00 | 388.14 | 360.22 | 382.25 | 5M |
| 06 October 2026 | 376.10 | 401.74 |
The series is stated in the current share scale after splits; dividends are not included in the price
Based on the last 12 months of reports, through 31 March 2026
The sector median covers every company in the sector on the US market, loss-making ones included.
Astera Labs makes the chips that connect processors, accelerators and memory inside a server.
When dozens of accelerators go into a rack, the bottleneck is not computation but the links between them: signals degrade over distance and standard interfaces cannot carry the required speed. The company makes retimers and switches that solve exactly that, and grew with the AI infrastructure build-out.
The risk lies in concentration and in dependence on other people's cycles: revenue comes from a small number of cloud operators and server makers whose plans change. A second risk is competition from large chip makers, for whom this is an adjacent problem. The stock trades on expectations of the next generation of connectivity standards rather than on current earnings. The company pays no dividend.
Address:2345 NORTH FIRST STREET, SAN JOSE, CA, 95131, US
Astera Labs, Inc. reported revenue of 1.0B $ and net income of 268M $ over the last four quarters. Net margin is 26.72 %. Revenue changed by +104.18 % year over year. Earnings per share are 1.48 $. Market capitalisation is 58.6B $.
ALAB has a return on equity of 17.91 %, above the sector median of 1.63 %. Return on assets is 16.13 %, above the sector median of 0.49 %. Operating margin is 22.36 %, above the sector median of 1.10 %.
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| 371.83 |
| 389.80 |
| 7M |
| 05 October 2026 | 354.20 | 365.24 | 346.32 | 362.34 | 3M |
| 02 October 2026 | 348.00 | 363.78 | 342.20 | 350.33 | 4M |
| 01 October 2026 | 360.59 | 364.85 | 352.00 | 356.42 | 4M |
| 30 September 2026 | 359.71 | 363.00 | 343.38 | 355.97 | 3M |
| 29 September 2026 | 352.18 | 366.70 | 349.00 | 357.84 | 3M |
| 28 September 2026 | 356.32 | 367.68 | 342.00 | 351.31 | 4M |
| 25 September 2026 | 366.00 | 377.87 | 356.20 | 364.62 | 3M |
| 24 September 2026 | 350.41 | 367.72 | 348.35 | 360.51 | 3M |
| 23 September 2026 | 364.31 | 367.87 | 351.38 | 360.46 | 3M |
| 22 September 2026 | 335.00 | 369.15 | 335.00 | 363.46 | 5M |
| 21 September 2026 | 309.20 | 343.00 | 308.34 | 340.74 | 6M |
| 18 September 2026 | 300.02 | 303.95 | 293.48 | 303.25 | 7M |
| 17 September 2026 | 279.09 | 293.92 | 278.25 | 293.56 | 4M |
| 16 September 2026 | 255.23 | 271.99 | 255.10 | 269.18 | 4M |
| 15 September 2026 | 259.45 | 263.56 | 251.63 | 252.54 | 3M |
| 14 September 2026 | 269.25 | 272.28 | 256.51 | 257.04 | 6M |