Astera Labs (ALAB) Options Chain

NASDAQ: ALABTechnologySemiconductorsUSD

342.21-4.84 (-1.39%)

At close: Oct 9, 4:00 PM ET · Delayed 15 min

Expiration date

Expiration: Dec 15, 2028
Days to expiration: 796
Share price: $342.21
Put/call ratio (OI): 0.82
Put/call ratio (volume): 1.43
ATM implied volatility: 77.1%
Expected move: ±$389.71
Open interest (C / P): 912 / 750

ALAB options summary

The ALAB options chain for the December 15, 2028 expiration lists 37 call and 28 put contracts, with 796 days until expiration. Open interest stands at 912 calls and 750 puts, a put/call ratio of 0.82, which is fairly balanced between calls and puts. At-the-money implied volatility near the $340.00 strike is 77.1%, which implies the market expects a move of about ±$389.71 (113.9%) in Astera Labs stock by expiration.

The most open interest sits at the $240.00 call (402 contracts) and the $230.00 put (318 contracts).

Summary generated from market data by MetaCap's automated system. Methodology

ALAB options chain · December 15, 2028

ALAB calls and puts by strike price. Shaded cells are in the money.
Calls							Puts
OI	Vol	IV	Last	Bid	Ask	Strike	Bid	Ask	Last	IV	Vol	OI
2	1	92.6%	255.05	239.00	247.00	140.00	22.00	25.80	26.50	71.9%	—	1
17	15	91.7%	167.70	236.00	243.60	145.00	25.70	27.60	26.45	72.9%	2	63
10	10	91.8%	190.70	233.00	242.00	150.00	27.60	29.55	30.00	72.8%	1	13
2	1	89.8%	245.24	227.00	235.00	160.00	28.00	37.00	28.94	72.5%	2	3
3	—	90.6%	193.05	225.00	234.00	165.00	—	—	—	—	—	—
2	1	90.4%	182.12	222.00	232.00	170.00	35.15	40.10	34.00	73.2%	1	2
—	—	—	—	—	—	175.00	34.00	41.10	36.05	70.9%	28	2
1	—	90.2%	150.53	218.00	227.00	180.00	37.20	42.45	55.14	70.9%	—	1
20	1	88.9%	242.71	215.00	223.00	185.00	39.00	48.00	38.01	72.1%	1	10
14	1	89.5%	233.91	213.00	222.00	190.00	41.00	50.00	46.53	71.7%	1	2
—	—	—	—	—	—	195.00	46.30	50.55	51.25	72.1%	—	7
6	2	89.0%	200.42	209.00	216.85	200.00	46.00	50.90	48.60	70.0%	2	28
—	—	—	—	—	—	220.00	56.00	65.00	61.30	71.3%	1	6
3	1	87.9%	219.23	197.00	203.20	230.00	63.65	68.05	63.50	71.2%	2	318
402	6	87.9%	194.00	193.00	200.00	240.00	68.95	72.50	70.90	70.6%	48	57
51	1	87.2%	210.06	189.00	195.00	250.00	72.95	78.15	72.00	69.9%	10	102
22	2	87.8%	208.25	185.00	194.00	260.00	78.85	84.50	73.94	70.1%	7	20
27	1	88.0%	189.26	182.00	190.95	270.00	83.00	92.00	78.64	69.9%	4	26
16	2	87.4%	198.07	178.00	187.00	280.00	89.70	97.00	92.40	69.7%	6	42
13	1	87.3%	171.25	175.00	183.50	290.00	95.00	104.00	98.00	69.6%	1	5
37	1	86.8%	197.95	172.00	179.00	300.00	101.05	110.00	104.40	69.3%	1	6
7	1	87.2%	198.74	169.00	177.50	310.00	107.00	116.00	110.60	69.0%	—	1
10	5	87.1%	180.50	166.00	174.50	320.00	—	—	—	—	—	—
6	2	86.5%	155.00	163.00	170.00	330.00	122.40	129.00	126.25	69.4%	5	3
1	—	86.2%	154.33	160.00	166.75	340.00	126.00	134.30	126.67	68.1%	3	4
ALAB $342.21
19	1	86.0%	164.61	157.00	164.00	350.00	134.50	142.00	163.30	68.7%	—	1
4	1	86.3%	170.05	155.00	162.00	360.00	142.70	147.10	140.00	68.5%	1	15
42	1	86.8%	195.15	150.00	159.00	380.00	—	—	—	—	—	—
5	2	86.4%	100.55	147.00	156.00	390.00	—	—	—	—	—	—
16	2	86.2%	162.50	145.00	152.50	400.00	169.55	177.00	201.00	68.1%	—	1
6	1	86.1%	178.00	143.00	150.00	410.00	175.00	182.95	200.05	67.1%	—	10
22	7	85.9%	176.96	140.00	148.00	420.00	—	—	—	—	—	—
15	2	86.3%	154.80	138.00	147.00	430.00	—	—	—	—	—	—
15	9	86.2%	152.42	136.00	144.70	440.00	198.95	206.00	232.33	67.5%	—	1
57	2	86.0%	166.28	134.00	142.00	450.00	—	—	—	—	—	—
5	—	86.4%	153.17	128.00	138.00	480.00	—	—	—	—	—	—
6	1	85.9%	159.57	125.00	131.95	500.00	—	—	—	—	—	—
1	—	85.8%	148.75	123.00	130.00	510.00	—	—	—	—	—	—
11	4	86.1%	161.40	121.00	130.00	520.00	—	—	—	—	—	—
16	1	86.3%	131.80	118.00	127.00	540.00	—	—	—	—	—	—

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 December 15, 2028 expiration, the ALAB put/call ratio based on open interest is 0.82 (750 puts vs 912 calls), and 1.43 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 December 15, 2028 is about 77.1%, an annualized estimate of how much the market expects Astera Labs stock to move.

How many ALAB option expiration dates are there?

ALAB has 17 listed expiration dates, from Oct 16, 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.