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: Mar 19, 2027
Days to expiration: 159
Share price: $342.21
Put/call ratio (OI): 1.46
Put/call ratio (volume): 2.48
ATM implied volatility: 78.8%
Expected move: ±$178.03
Open interest (C / P): 5.50K / 8.05K

ALAB options summary

The ALAB options chain for the March 19, 2027 expiration lists 68 call and 62 put contracts, with 159 days until expiration. Open interest stands at 5,498 calls and 8,048 puts, a put/call ratio of 1.46, which is more bearish, with puts outnumbering calls. At-the-money implied volatility near the $340.00 strike is 78.8%, which implies the market expects a move of about ±$178.03 (52.0%) in Astera Labs stock by expiration.

The most open interest sits at the $280.00 call (676 contracts) and the $150.00 put (1.08K contracts).

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

ALAB options chain · March 19, 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
2	1	—	293.21	178.90	185.45	100.00	0.01	1.32	0.55	88.2%	5	64
—	—	—	—	—	—	105.00	0.01	1.51	1.26	86.6%	22	11
1	1	111.0%	257.90	232.10	239.50	110.00	0.01	1.99	1.50	87.1%	2	29
6	1	182.0%	277.20	245.00	252.00	115.00	0.01	1.80	1.83	82.5%	1	5
1	1	247.1%	131.00	262.20	269.60	120.00	0.01	3.35	1.10	88.4%	16	26
1	1	—	284.96	158.05	164.30	125.00	0.56	2.23	1.26	82.4%	4	266
4	8	102.8%	221.89	213.30	220.75	130.00	1.01	2.42	2.25	82.5%	1	7
2	1	173.7%	264.70	230.00	237.50	135.00	1.28	2.57	2.90	81.3%	1	21
0	—	—	190.75	0.00	0.00	140.00	1.66	2.92	2.39	81.2%	13	596
—	—	—	—	—	—	145.00	2.24	3.15	3.02	81.0%	1	4
2	1	—	279.04	139.20	146.05	150.00	2.69	3.30	3.00	79.9%	8	1,080
9	1	—	131.40	163.05	170.35	155.00	2.50	4.35	2.91	79.5%	2	45
3	1	92.3%	133.65	186.05	192.60	160.00	2.11	5.70	3.31	79.1%	2	68
4	1	91.3%	228.32	181.70	188.15	165.00	3.60	5.35	3.48	78.9%	2	26
17	1	92.0%	175.10	177.40	184.80	170.00	4.60	6.00	5.39	79.5%	3	544
3	2	—	245.30	121.30	127.90	175.00	4.25	7.10	4.80	78.1%	1	729
19	16	90.4%	131.29	168.90	176.40	180.00	5.70	7.60	5.21	78.8%	1	58
5	1	87.5%	190.41	164.75	170.65	185.00	4.55	9.00	8.15	76.5%	10	52
28	5	86.9%	117.98	160.65	166.55	190.00	6.40	8.80	7.70	76.3%	1	13
58	1	87.0%	116.62	156.60	163.10	195.00	8.10	10.85	8.85	78.9%	3	30
62	10	86.0%	192.16	152.45	158.95	200.00	9.15	10.25	9.70	76.7%	8	130
30	2	86.4%	157.88	144.70	152.40	210.00	10.10	13.60	11.70	76.5%	46	27
16	1	84.0%	140.90	137.15	143.45	220.00	11.65	15.15	14.35	74.4%	2	458
520	3	84.3%	157.94	130.00	137.30	230.00	14.50	17.80	17.30	74.5%	416	351
29	1	82.5%	141.02	123.10	129.05	240.00	16.95	22.80	20.20	75.7%	2	757
44	2	83.3%	129.50	117.00	123.45	250.00	19.70	26.05	18.11	75.0%	5	255
60	3	82.1%	124.95	110.25	116.65	260.00	26.05	30.60	26.00	77.8%	26	89
20	1	82.5%	119.80	104.25	111.65	270.00	27.70	31.95	31.10	74.1%	92	128
676	1	82.2%	92.92	99.00	105.35	280.00	32.30	38.60	35.99	76.0%	32	593
22	1	82.8%	112.65	93.15	101.60	290.00	38.25	41.60	41.07	75.9%	1	75
119	3	82.5%	83.14	89.20	95.20	300.00	40.90	47.75	36.58	75.4%	2	98
47	3	82.3%	110.85	84.50	90.00	310.00	45.10	51.55	49.45	74.1%	4	30
134	1	82.3%	80.80	79.90	85.60	320.00	51.90	58.05	53.28	75.7%	1	148
277	9	81.8%	75.00	75.95	80.10	330.00	56.20	63.60	52.04	74.9%	112	156
46	3	82.4%	73.81	72.35	76.50	340.00	62.65	69.35	59.00	75.3%	2	114
ALAB $342.21
76	8	81.6%	69.78	67.20	72.60	350.00	70.60	74.10	60.00	75.6%	2	89
105	15	82.4%	66.18	63.75	70.00	360.00	76.40	80.80	78.15	75.6%	5	31
51	3	81.5%	59.45	60.30	64.90	370.00	82.80	86.95	80.60	75.4%	1	73
101	20	81.6%	65.00	56.05	62.80	380.00	89.55	93.70	76.20	75.4%	3	64
113	7	81.7%	55.46	54.00	58.80	390.00	96.40	100.60	95.10	75.5%	32	48
174	12	81.8%	54.45	51.00	56.05	400.00	103.10	107.60	87.60	75.2%	1	13
16	1	82.3%	50.28	48.25	54.05	410.00	108.95	115.55	125.85	74.9%	1	18
261	7	81.9%	50.70	46.00	50.25	420.00	117.80	122.85	115.00	75.7%	8	468
14	1	83.0%	58.40	43.75	49.45	430.00	123.35	130.25	120.85	74.5%	32	36
47	24	82.6%	70.50	41.05	46.75	440.00	133.05	137.10	132.60	75.2%	10	8
231	1	83.2%	40.00	38.70	45.55	450.00	139.10	145.90	208.65	74.7%	12	14
18	5	82.9%	44.80	36.00	43.45	460.00	148.85	153.40	149.48	75.5%	2	14
6	1	82.6%	50.20	35.15	39.75	470.00	156.35	160.35	149.45	74.5%	1	4
111	2	83.3%	40.30	32.95	39.35	480.00	218.00	226.60	205.90	137.5%	2	2
25	6	81.9%	38.30	30.30	36.05	490.00	0.00	0.00	220.00	—	1	0
151	12	83.2%	34.85	29.50	35.55	500.00	237.00	242.95	175.00	139.3%	18	7
45	5	82.5%	51.30	27.90	32.80	510.00	217.45	224.40	283.50	109.1%	2	5
19	6	82.9%	50.59	25.80	32.40	520.00	254.50	261.35	189.45	141.2%	—	3
46	4	84.1%	27.45	25.15	31.95	530.00	235.00	242.00	301.35	110.3%	1	5
47	3	83.0%	25.00	24.20	28.50	540.00	272.60	279.55	202.90	143.0%	20	18
224	1	84.0%	29.58	22.75	28.80	550.00	281.60	288.75	210.35	143.9%	24	16
65	101	83.8%	39.00	20.25	28.50	560.00	290.00	297.90	217.20	144.3%	6	4
13	3	83.8%	21.77	19.35	27.10	570.00	300.00	307.15	223.95	145.7%	—	5
350	12	83.7%	21.90	18.00	26.00	580.00	309.00	316.45	261.20	146.4%	3	9
27	5	83.6%	24.95	17.15	24.55	590.00	259.70	265.05	307.50	74.2%	—	1
90	2	84.5%	19.50	18.45	22.40	600.00	—	—	—	—	—	—
14	12	83.2%	27.40	15.65	21.60	610.00	—	—	—	—	—	—
36	30	84.0%	26.55	14.40	22.15	620.00	—	—	—	—	—	—
68	2	84.2%	27.00	14.40	20.60	630.00	—	—	—	—	—	—
9	2	85.2%	21.25	14.05	20.55	640.00	—	—	—	—	—	—
66	1	84.2%	22.71	12.10	19.65	650.00	312.40	320.00	362.68	70.6%	—	9
31	2	84.9%	19.65	11.45	19.65	660.00	—	—	—	—	—	—
237	11	85.2%	21.95	11.00	19.00	670.00	—	—	—	—	—	—
61	2	84.9%	20.75	10.20	18.15	680.00	—	—	—	—	—	—
283	2	85.4%	13.70	10.50	15.90	700.00	391.45	399.05	391.60	120.4%	1	1

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 March 19, 2027 expiration, the ALAB put/call ratio based on open interest is 1.46 (8,048 puts vs 5,498 calls), and 2.48 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 March 19, 2027 is about 78.8%, an annualized estimate of how much the market expects Astera Labs stock to move.

How many ALAB option expiration dates are there?

ALAB has 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.