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: Apr 16, 2027
Days to expiration: 187
Share price: $342.21
Put/call ratio (OI): 1.34
Put/call ratio (volume): 0.70
ATM implied volatility: 78.5%
Expected move: ±$192.26
Open interest (C / P): 4.59K / 6.16K

ALAB options summary

The ALAB options chain for the April 16, 2027 expiration lists 70 call and 60 put contracts, with 187 days until expiration. Open interest stands at 4,590 calls and 6,160 puts, a put/call ratio of 1.34, which is more bearish, with puts outnumbering calls. At-the-money implied volatility near the $340.00 strike is 78.5%, which implies the market expects a move of about ±$192.26 (56.2%) in Astera Labs stock by expiration.

The most open interest sits at the $300.00 call (619 contracts) and the $170.00 put (814 contracts).

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

ALAB options chain · April 16, 2027

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
117	1	111.4%	266.30	242.30	249.60	100.00	0.05	4.90	0.61	102.0%	4	36
82	1	179.0%	242.00	254.05	261.95	105.00	0.28	1.44	1.60	81.5%	—	1
0	—	—	219.30	0.00	0.00	110.00	0.50	3.15	3.06	89.2%	1	19
1	1	157.1%	107.25	243.35	247.00	115.00	5.20	7.85	11.60	114.1%	2	10
0	—	—	266.06	0.00	0.00	120.00	0.01	3.25	2.30	81.1%	8	37
0	1	—	205.05	0.00	0.00	125.00	0.83	2.88	2.34	80.1%	2	82
9	8	99.2%	223.11	214.25	221.70	130.00	2.00	2.97	2.50	81.8%	77	33
1	1	—	255.00	151.70	158.95	135.00	1.89	3.95	1.99	81.6%	1	44
5	1	95.1%	190.50	205.25	212.00	140.00	2.18	4.15	4.43	80.2%	1	5
1	—	149.9%	84.35	221.50	226.00	145.00	2.69	4.85	2.88	80.5%	1	7
0	1	—	146.75	0.00	0.00	150.00	2.85	4.85	3.23	78.1%	1	518
0	2	—	147.71	0.00	0.00	155.00	3.00	6.05	10.35	78.3%	24	474
5	1	91.8%	149.13	187.65	195.10	160.00	3.85	6.20	11.45	77.6%	2	14
3	2	—	187.90	130.80	137.80	165.00	4.40	7.30	10.38	78.0%	10	22
15	5	89.5%	188.02	179.20	186.20	170.00	4.80	8.25	7.80	77.6%	10	814
0	1	—	131.08	0.00	0.00	175.00	2.77	11.25	8.39	76.4%	20	28
67	1	88.2%	223.35	171.00	178.10	180.00	5.80	10.20	9.75	76.7%	58	713
14	1	—	120.15	143.05	150.35	185.00	7.90	11.00	7.80	78.0%	1	681
37	1	87.5%	98.40	163.00	170.55	190.00	7.50	12.10	10.60	76.2%	1	82
9	1	—	302.54	112.40	118.15	195.00	8.80	12.40	16.50	75.5%	2	11
33	1	86.3%	177.00	155.25	162.80	200.00	11.20	14.45	11.86	77.9%	2	448
507	1	85.7%	174.70	148.55	154.85	210.00	11.25	17.60	13.65	75.9%	4	414
25	5	85.4%	164.00	141.45	148.10	220.00	15.40	20.50	16.90	77.2%	2	32
15	1	83.4%	131.00	134.00	140.20	230.00	16.75	23.60	22.00	75.6%	10	32
115	1	53.1%	128.00	109.00	115.95	240.00	21.15	24.75	22.25	74.7%	6	53
37	4	82.3%	134.95	121.20	126.75	250.00	25.80	28.00	29.15	75.2%	2	49
17	1	83.2%	68.90	115.35	122.40	260.00	29.20	32.35	29.00	75.2%	2	19
23	2	81.7%	131.05	109.05	115.30	270.00	33.35	36.70	38.00	75.2%	2	23
54	2	82.8%	137.24	105.30	110.20	280.00	36.70	42.50	40.40	75.4%	16	50
14	1	82.4%	116.30	100.00	104.75	290.00	42.30	46.15	46.50	75.3%	2	17
619	3	82.6%	112.83	94.60	100.80	300.00	45.45	52.00	50.70	74.7%	7	333
31	1	81.9%	87.00	90.00	95.10	310.00	52.20	56.75	57.00	75.3%	1	27
42	2	82.9%	95.61	86.15	91.90	320.00	57.55	61.75	48.55	75.0%	2	23
549	1	82.2%	80.80	81.30	87.15	330.00	63.30	68.05	58.65	75.3%	4	424
124	1	82.6%	79.90	77.35	83.95	340.00	67.35	73.95	64.05	74.3%	87	129
ALAB $342.21
555	404	81.1%	83.00	72.60	78.15	350.00	73.40	79.05	61.08	73.8%	1	33
51	1	82.4%	78.90	70.00	76.15	360.00	79.75	86.30	87.05	74.3%	1	18
24	2	82.5%	86.00	66.30	73.20	370.00	86.10	92.75	69.00	74.2%	1	14
181	6	81.5%	64.90	63.05	67.95	380.00	91.90	99.25	76.40	73.6%	1	1
41	6	82.5%	58.45	59.95	66.85	390.00	99.50	106.20	90.95	74.0%	1	28
76	15	81.8%	84.51	57.55	61.85	400.00	107.85	113.15	97.35	74.7%	1	40
14	4	82.5%	56.55	54.30	60.95	410.00	163.85	170.75	125.45	125.8%	2	3
25	5	81.9%	70.03	51.50	57.10	420.00	121.40	127.55	119.90	74.1%	4	6
19	10	82.2%	56.50	49.20	55.05	430.00	127.95	134.95	116.30	73.5%	9	15
46	5	82.8%	77.70	46.85	53.65	440.00	188.40	193.50	140.75	126.8%	—	1
31	1	82.9%	68.00	44.70	51.40	450.00	169.65	177.35	188.06	101.0%	1	3
32	2	82.4%	39.85	42.45	48.35	460.00	151.60	157.90	126.65	73.6%	1	2
0	4	82.2%	40.65	40.40	45.80	470.00	212.10	220.90	161.75	129.1%	6	3
26	2	82.0%	38.90	37.70	44.10	480.00	222.10	229.40	186.70	130.4%	3	5
28	3	82.7%	50.60	37.00	42.35	490.00	230.90	238.00	175.80	131.1%	6	4
43	1	82.1%	44.02	34.00	40.70	500.00	238.60	247.00	223.30	131.4%	35	40
458	403	82.1%	45.84	32.80	38.50	510.00	248.15	254.95	188.35	132.1%	6	24
23	1	83.3%	46.70	31.90	38.40	520.00	256.00	264.70	195.20	132.7%	6	4
28	1	82.7%	33.62	29.55	36.50	530.00	265.00	272.00	202.15	132.7%	6	3
1	—	83.8%	20.25	29.25	35.90	540.00	—	—	—	—	—	—
37	2	84.0%	19.30	27.95	34.65	550.00	254.35	262.75	322.25	105.3%	7	7
15	2	82.6%	40.85	26.25	31.35	560.00	263.65	271.70	262.31	106.0%	—	11
12	3	83.0%	26.57	25.70	30.00	570.00	242.60	250.10	224.20	71.3%	200	175
7	2	83.1%	27.75	23.05	30.40	580.00	—	—	—	—	—	—
21	1	84.0%	31.04	22.60	30.00	590.00	320.00	327.90	268.50	137.8%	—	1
36	2	83.6%	22.62	22.40	27.30	600.00	329.25	337.10	276.30	138.6%	—	13
3	2	83.4%	24.65	20.00	27.35	610.00	—	—	—	—	—	—
12	1	83.5%	38.85	19.05	26.35	620.00	—	—	—	—	—	—
2	2	84.3%	33.65	19.05	25.60	630.00	358.00	365.05	299.90	141.1%	—	2
19	6	84.5%	33.70	18.40	24.80	640.00	—	—	—	—	—	—
2	6	84.3%	31.45	16.50	24.65	650.00	—	—	—	—	—	—
12	2	84.2%	31.45	15.75	23.55	660.00	—	—	—	—	—	—
28	1	84.2%	25.35	15.00	22.60	670.00	—	—	—	—	—	—
74	2	84.4%	25.00	15.95	20.40	680.00	—	—	—	—	—	—
37	1	84.8%	16.80	13.60	20.40	700.00	—	—	—	—	—	—

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 April 16, 2027 expiration, the ALAB put/call ratio based on open interest is 1.34 (6,160 puts vs 4,590 calls), and 0.70 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 April 16, 2027 is about 78.5%, 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.