Astera Labs (ALAB) Options Chain
NASDAQ: ALABTechnologySemiconductorsUSD
At close: Oct 8, 4:00 PM ET · Delayed 15 min
Pre-market: 346.07 -0.28%
Expiration date
- Expiration
- Oct 9, 2026
- Days to expiration
- 0
- Share price
- $347.05
- Put/call ratio (OI)
- 0.60
- Put/call ratio (volume)
- 0.60
- Expected move
- ±$0.1417
- Open interest (C / P)
- 18.45K / 11.05K
ALAB options summary
The ALAB options chain for the October 9, 2026 expiration lists 101 call and 78 put contracts, expiring today. Open interest stands at 18,448 calls and 11,046 puts, a put/call ratio of 0.60, which is tilted bullish, with calls outnumbering puts. At-the-money implied volatility near the $347.50 strike is 0.8%, which implies the market expects a move of about ±$0.1417 (0.0%) in Astera Labs stock by expiration.
The most open interest sits at the $370.00 call (2.97K contracts) and the $330.00 put (1.01K contracts).
Summary generated from market data by MetaCap's automated system. Methodology
ALAB options chain · October 9, 2026
| Calls | Puts | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Last | Bid | Ask | Strike | Bid | Ask | Last | |||||
| 194.82 | 0.00 | 0.00 | 165.00 | 0.00 | 0.00 | 0.01 | |||||
| 216.25 | 0.00 | 0.00 | 170.00 | 0.00 | 0.00 | 0.07 | |||||
| — | — | — | 175.00 | 0.00 | 0.00 | 0.07 | |||||
| — | — | — | 180.00 | 0.00 | 0.00 | 0.01 | |||||
| 178.00 | 0.00 | 0.00 | 185.00 | 0.00 | 0.00 | 0.01 | |||||
| 165.02 | 0.00 | 0.00 | 190.00 | 0.00 | 0.00 | 0.01 | |||||
| 155.75 | 0.00 | 0.00 | 195.00 | 0.00 | 0.00 | 0.07 | |||||
| 193.18 | 0.00 | 0.00 | 200.00 | 0.00 | 0.00 | 0.07 | |||||
| 169.04 | 0.00 | 0.00 | 205.00 | 0.00 | 0.00 | 0.08 | |||||
| 177.12 | 0.00 | 0.00 | 210.00 | 0.00 | 0.00 | 0.01 | |||||
| 46.50 | 0.00 | 0.00 | 215.00 | 0.00 | 0.00 | 0.07 | |||||
| 154.46 | 0.00 | 0.00 | 220.00 | 0.00 | 0.00 | 0.08 | |||||
| 132.95 | 0.00 | 0.00 | 225.00 | 0.00 | 0.00 | 0.08 | |||||
| 125.42 | 0.00 | 0.00 | 230.00 | 0.00 | 0.00 | 0.04 | |||||
| 119.80 | 0.00 | 0.00 | 235.00 | 0.00 | 0.00 | 0.08 | |||||
| 115.45 | 0.00 | 0.00 | 240.00 | 0.00 | 0.00 | 0.03 | |||||
| 107.00 | 0.00 | 0.00 | 245.00 | 0.00 | 0.00 | 0.01 | |||||
| 124.13 | 0.00 | 0.00 | 250.00 | 0.00 | 0.00 | 0.01 | |||||
| 96.90 | 0.00 | 0.00 | 255.00 | 0.00 | 0.00 | 0.08 | |||||
| 114.71 | 0.00 | 0.00 | 260.00 | 0.00 | 0.00 | 0.08 | |||||
| 120.66 | 0.00 | 0.00 | 265.00 | 0.00 | 0.00 | 0.07 | |||||
| 103.48 | 0.00 | 0.00 | 270.00 | 0.00 | 0.00 | 0.11 | |||||
| 100.99 | 0.00 | 0.00 | 272.50 | — | — | — | |||||
| 66.52 | 0.00 | 0.00 | 275.00 | 0.00 | 0.00 | 0.03 | |||||
| 85.70 | 0.00 | 0.00 | 277.50 | 0.00 | 0.00 | 0.01 | |||||
| 89.95 | 0.00 | 0.00 | 280.00 | 0.00 | 0.00 | 0.04 | |||||
| 78.45 | 0.00 | 0.00 | 282.50 | 0.00 | 0.00 | 0.61 | |||||
| 84.41 | 0.00 | 0.00 | 285.00 | 0.00 | 0.00 | 0.04 | |||||
| — | — | — | 287.50 | 0.00 | 0.00 | 0.06 | |||||
| 75.03 | 0.00 | 0.00 | 290.00 | 0.00 | 0.00 | 0.06 | |||||
| 88.36 | 0.00 | 0.00 | 292.50 | 0.00 | 0.00 | 0.04 | |||||
| 89.80 | 0.00 | 0.00 | 295.00 | 0.00 | 0.00 | 0.05 | |||||
| 91.90 | 0.00 | 0.00 | 297.50 | 0.00 | 0.00 | 0.07 | |||||
| 62.65 | 0.00 | 0.00 | 300.00 | 0.00 | 0.00 | 0.08 | |||||
| 49.45 | 0.00 | 0.00 | 302.50 | 0.00 | 0.00 | 0.85 | |||||
| 60.13 | 0.00 | 0.00 | 305.00 | 0.00 | 0.00 | 0.07 | |||||
| 65.10 | 0.00 | 0.00 | 307.50 | 0.00 | 0.00 | 2.14 | |||||
| 39.72 | 0.00 | 0.00 | 310.00 | 0.00 | 0.00 | 1.01 | |||||
| 60.92 | 0.00 | 0.00 | 312.50 | 0.00 | 0.00 | 2.17 | |||||
| 33.43 | 0.00 | 0.00 | 315.00 | 0.00 | 0.00 | 0.39 | |||||
| 72.10 | 0.00 | 0.00 | 317.50 | 0.00 | 0.00 | 0.42 | |||||
| 28.06 | 0.00 | 0.00 | 320.00 | 0.00 | 0.00 | 0.78 | |||||
| 28.81 | 0.00 | 0.00 | 322.50 | 0.00 | 0.00 | 0.68 | |||||
| 56.58 | 0.00 | 0.00 | 325.00 | 0.00 | 0.00 | 1.00 | |||||
| — | — | — | 327.50 | 0.00 | 0.00 | 1.55 | |||||
| 18.67 | 0.00 | 0.00 | 330.00 | 0.00 | 0.00 | 1.71 | |||||
| — | — | — | 332.50 | 0.00 | 0.00 | 1.56 | |||||
| 40.04 | 0.00 | 0.00 | 335.00 | 0.00 | 0.00 | 2.86 | |||||
| 11.85 | 0.00 | 0.00 | 337.50 | 0.00 | 0.00 | 3.68 | |||||
| 11.00 | 0.00 | 0.00 | 340.00 | 0.00 | 0.00 | 4.50 | |||||
| 8.61 | 0.00 | 0.00 | 342.50 | 0.00 | 0.00 | 5.40 | |||||
| 8.00 | 0.00 | 0.00 | 345.00 | 0.00 | 0.00 | 6.10 | |||||
| 6.11 | 0.00 | 0.00 | 347.50 | 0.00 | 0.00 | 8.70 | |||||
| 4.75 | 0.00 | 0.00 | 350.00 | 0.00 | 0.00 | 8.85 | |||||
| 3.50 | 0.00 | 0.00 | 352.50 | 0.00 | 0.00 | 12.13 | |||||
| 3.60 | 0.00 | 0.00 | 355.00 | 0.00 | 0.00 | 12.22 | |||||
| 2.79 | 0.00 | 0.00 | 357.50 | 0.00 | 0.00 | 13.95 | |||||
| 2.25 | 0.00 | 0.00 | 360.00 | 0.00 | 0.00 | 15.60 | |||||
| 2.00 | 0.00 | 0.00 | 362.50 | 0.00 | 0.00 | 12.80 | |||||
| 1.44 | 0.00 | 0.00 | 365.00 | 0.00 | 0.00 | 22.58 | |||||
| 1.10 | 0.00 | 0.00 | 367.50 | 0.00 | 0.00 | 18.00 | |||||
| 0.95 | 0.00 | 0.00 | 370.00 | 0.00 | 0.00 | 25.55 | |||||
| 0.79 | 0.00 | 0.00 | 372.50 | 0.00 | 0.00 | 13.78 | |||||
| 0.57 | 0.00 | 0.00 | 375.00 | 0.00 | 0.00 | 30.00 | |||||
| 0.83 | 0.00 | 0.00 | 377.50 | 0.00 | 0.00 | 24.30 | |||||
| 0.35 | 0.00 | 0.00 | 380.00 | 0.00 | 0.00 | 27.90 | |||||
| 0.56 | 0.00 | 0.00 | 382.50 | 0.00 | 0.00 | 25.40 | |||||
| 0.25 | 0.00 | 0.00 | 385.00 | 0.00 | 0.00 | 20.84 | |||||
| 0.18 | 0.00 | 0.00 | 387.50 | — | — | — | |||||
| 0.14 | 0.00 | 0.00 | 390.00 | 0.00 | 0.00 | 38.16 | |||||
| 0.25 | 0.00 | 0.00 | 392.50 | — | — | — | |||||
| 0.11 | 0.00 | 0.00 | 395.00 | 0.00 | 0.00 | 22.65 | |||||
| 0.13 | 0.00 | 0.00 | 397.50 | 0.00 | 0.00 | 45.75 | |||||
| 0.10 | 0.00 | 0.00 | 400.00 | 0.00 | 0.00 | 55.25 | |||||
| 0.39 | 0.00 | 0.00 | 402.50 | — | — | — | |||||
| 0.07 | 0.00 | 0.00 | 405.00 | 0.00 | 0.00 | 33.50 | |||||
| 0.50 | 0.00 | 0.00 | 407.50 | — | — | — | |||||
| 0.20 | 0.00 | 0.00 | 410.00 | — | — | — | |||||
| 0.47 | 0.00 | 0.00 | 412.50 | — | — | — | |||||
| 0.10 | 0.00 | 0.00 | 415.00 | — | — | — | |||||
| 0.05 | 0.00 | 0.00 | 417.50 | — | — | — | |||||
| 0.32 | 0.00 | 0.00 | 420.00 | 0.00 | 0.00 | 54.40 | |||||
| 0.06 | 0.00 | 0.00 | 422.50 | — | — | — | |||||
| 0.07 | 0.00 | 0.00 | 425.00 | — | — | — | |||||
| 0.09 | 0.00 | 0.00 | 427.50 | — | — | — | |||||
| 0.02 | 0.00 | 0.00 | 430.00 | 0.00 | 0.00 | 72.50 | |||||
| 0.01 | 0.00 | 0.00 | 432.50 | — | — | — | |||||
| 0.01 | 0.00 | 0.00 | 435.00 | — | — | — | |||||
| 0.04 | 0.00 | 0.00 | 440.00 | 0.00 | 0.00 | 126.11 | |||||
| 0.01 | 0.00 | 0.00 | 442.50 | — | — | — | |||||
| 0.01 | 0.00 | 0.00 | 445.00 | — | — | — | |||||
| 0.19 | 0.00 | 0.00 | 447.50 | — | — | — | |||||
| 0.03 | 0.00 | 0.00 | 450.00 | — | — | — | |||||
| 0.11 | 0.00 | 0.00 | 452.50 | — | — | — | |||||
| 0.02 | 0.00 | 0.00 | 455.00 | — | — | — | |||||
| 0.01 | 0.00 | 0.00 | 457.50 | — | — | — | |||||
| 0.53 | 0.00 | 0.00 | 460.00 | 0.00 | 0.00 | 107.30 | |||||
| 0.04 | 0.00 | 0.00 | 462.50 | — | — | — | |||||
| 0.24 | 0.00 | 0.00 | 465.00 | — | — | — | |||||
| 0.27 | 0.00 | 0.00 | 467.50 | — | — | — | |||||
| 0.08 | 0.00 | 0.00 | 470.00 | — | — | — | |||||
| 0.08 | 0.00 | 0.00 | 475.00 | — | — | — | |||||
| 0.08 | 0.00 | 0.00 | 480.00 | — | — | — | |||||
| — | — | — | 482.50 | 0.00 | 0.00 | 119.04 | |||||
| 0.08 | 0.00 | 0.00 | 490.00 | 0.00 | 0.00 | 133.00 | |||||
| 0.08 | 0.00 | 0.00 | 500.00 | — | — | — | |||||
| 0.01 | 0.00 | 0.00 | 510.00 | — | — | — | |||||
In-the-money callsIn-the-money puts. IV = implied volatility, OI = open interest (contracts). Each contract covers 100 shares. Quotes delayed at least 15 minutes.
Frequently asked questions
What is the ALAB put/call ratio?
For the October 9, 2026 expiration, the ALAB put/call ratio based on open interest is 0.60 (11,046 puts vs 18,448 calls), and 0.60 based on today's volume. A ratio above 1 means more puts than calls.
What is ALAB's implied volatility?
At-the-money implied volatility for ALAB options expiring October 9, 2026 is about 0.8%, an annualized estimate of how much the market expects Astera Labs stock to move.
How many ALAB option expiration dates are there?
ALAB has 18 listed expiration dates, from Oct 9, 2026 to Jan 19, 2029.
What does "in the money" mean?
A call is in the money when the strike price is below the current share price; a put is in the money when the strike is above it. In-the-money contracts have intrinsic value and are shaded in the table.