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: Oct 30, 2026
Days to expiration: 19
Share price: $342.21
Put/call ratio (OI): 1.71
Put/call ratio (volume): 1.35
ATM implied volatility: 78.9%
Expected move: ±$61.57
Open interest (C / P): 2.39K / 4.10K

ALAB options summary

The ALAB options chain for the October 30, 2026 expiration lists 55 call and 52 put contracts, with 19 days until expiration. Open interest stands at 2,393 calls and 4,098 puts, a put/call ratio of 1.71, which is more bearish, with puts outnumbering calls. At-the-money implied volatility near the $340.00 strike is 78.9%, which implies the market expects a move of about ±$61.57 (18.0%) in Astera Labs stock by expiration.

The most open interest sits at the $510.00 call (187 contracts) and the $305.00 put (527 contracts).

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

ALAB options chain · October 30, 2026

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
—	—	—	—	—	—	165.00	0.00	1.76	0.05	160.7%	14	39
—	—	—	—	—	—	170.00	0.00	3.50	0.80	175.1%	—	1
—	—	—	—	—	—	175.00	0.00	0.53	0.33	124.9%	50	102
—	—	—	—	—	—	180.00	0.00	0.82	0.07	127.5%	12	41
—	—	—	—	—	—	185.00	0.00	2.81	0.42	150.0%	4	7
—	—	—	—	—	—	190.00	0.00	0.32	0.07	104.1%	15	22
0	1	123.1%	160.28	144.25	151.60	195.00	0.00	0.63	0.44	109.0%	—	2
4	1	111.4%	185.15	139.30	146.10	200.00	0.00	0.58	0.30	103.3%	2	69
—	—	—	—	—	—	205.00	0.00	0.51	1.80	97.4%	2	17
3	3	115.5%	155.82	129.35	137.10	210.00	0.01	0.92	0.83	101.6%	2	12
31	26	100.2%	148.45	125.60	129.95	215.00	0.00	0.55	0.16	90.0%	2	12
1	1	97.8%	158.50	119.45	126.25	220.00	0.00	1.85	1.25	104.3%	1	110
1	2	101.8%	77.60	114.55	121.95	225.00	0.00	1.97	1.36	100.8%	1	23
1	1	91.9%	155.60	109.60	116.35	230.00	0.00	4.60	0.63	114.8%	1	30
10	—	94.0%	49.26	104.70	111.95	235.00	0.00	2.54	0.68	96.5%	2	34
—	—	—	—	—	—	240.00	0.19	0.99	0.90	79.8%	1	56
6	3	74.6%	39.00	95.00	100.50	245.00	0.01	1.17	0.50	75.8%	2	18
3	1	79.3%	124.55	90.20	96.25	250.00	0.09	1.20	1.33	73.0%	2	126
8	1	78.6%	60.00	85.50	91.45	255.00	0.08	2.36	0.54	78.0%	1	17
5	10	78.4%	82.00	80.80	86.85	260.00	1.15	2.36	1.81	80.0%	2	47
102	10	84.2%	116.00	76.20	83.65	265.00	1.19	2.92	2.22	78.4%	1	42
4	1	78.1%	89.75	71.70	77.80	270.00	1.78	2.74	2.53	75.7%	11	111
3	1	81.1%	87.18	68.10	73.50	275.00	2.13	3.30	3.08	74.8%	57	105
30	2	78.1%	66.50	62.80	69.40	280.00	2.94	3.85	3.84	74.9%	31	365
18	1	74.2%	81.70	58.60	63.95	285.00	3.35	4.65	4.82	73.8%	64	68
20	1	77.5%	63.10	54.50	61.10	290.00	4.65	5.50	5.47	74.8%	35	174
8	1	76.5%	62.34	50.55	56.85	295.00	5.80	6.65	6.85	75.3%	32	254
33	2	74.5%	50.00	46.95	52.00	300.00	7.00	7.90	7.70	75.4%	47	166
13	1	75.3%	80.00	43.10	48.90	305.00	6.90	9.55	9.48	73.0%	23	527
13	1	81.8%	70.18	41.40	47.00	310.00	8.30	12.15	11.24	75.0%	9	140
4	2	78.3%	36.51	37.50	42.50	315.00	9.25	13.75	12.91	73.6%	4	63
101	16	78.8%	36.30	34.30	39.75	320.00	12.00	15.75	14.06	75.5%	28	236
45	1	80.7%	60.07	31.60	37.65	325.00	13.85	17.10	16.20	74.2%	17	139
44	4	77.5%	29.60	28.50	33.25	330.00	16.65	19.25	19.50	75.2%	38	118
23	9	80.0%	27.56	25.70	32.35	335.00	18.60	24.45	21.08	79.1%	24	124
35	14	78.4%	25.00	23.25	28.85	340.00	22.25	26.05	25.88	79.3%	30	88
ALAB $342.21
99	9	79.2%	23.10	22.40	25.60	345.00	23.05	28.25	25.18	75.6%	4	134
38	2	78.6%	22.00	19.50	23.80	350.00	25.90	32.35	30.89	77.6%	23	144
30	4	77.8%	19.50	16.80	22.00	355.00	28.45	35.55	34.26	77.2%	3	66
40	10	77.1%	16.90	15.15	19.55	360.00	32.00	38.55	35.54	77.6%	21	86
35	6	78.2%	15.25	12.10	19.85	365.00	35.55	42.05	40.00	78.3%	7	43
83	4	78.5%	12.30	11.75	17.20	370.00	39.30	44.30	50.93	76.9%	6	15
48	105	78.8%	12.05	11.90	14.35	375.00	43.45	49.05	53.44	80.0%	6	10
113	14	78.7%	11.80	10.60	12.95	380.00	46.85	53.00	47.05	80.0%	1	25
87	8	79.0%	10.00	9.90	11.35	385.00	—	—	—	—	—	—
159	51	76.5%	10.10	7.50	10.25	390.00	54.85	60.90	64.87	81.1%	1	18
35	5	75.6%	8.60	4.50	10.80	395.00	57.75	64.60	34.60	78.5%	2	5
122	40	79.9%	8.00	7.30	8.30	400.00	62.20	68.75	65.55	79.4%	1	5
24	11	79.2%	7.20	6.00	7.60	405.00	—	—	—	—	—	—
50	10	79.3%	5.88	5.35	6.80	410.00	—	—	—	—	—	—
18	6	79.0%	5.85	4.35	6.30	415.00	74.90	81.50	57.99	79.4%	10	13
52	12	79.9%	5.50	3.10	6.70	420.00	—	—	—	—	—	—
15	1	78.1%	4.39	2.83	5.20	425.00	—	—	—	—	—	—
82	8	78.7%	4.43	1.64	5.65	430.00	—	—	—	—	—	—
28	7	79.0%	3.80	2.20	4.30	435.00	—	—	—	—	—	—
33	8	81.6%	3.53	2.20	4.30	440.00	—	—	—	—	—	—
162	7	85.8%	2.80	2.00	4.25	450.00	108.30	113.40	68.84	85.4%	1	4
35	15	85.0%	2.29	1.65	3.10	460.00	116.40	122.95	77.05	80.8%	21	22
38	3	83.9%	1.96	0.22	3.30	470.00	127.20	132.55	117.05	87.0%	—	2
95	13	84.3%	1.64	0.80	2.01	480.00	135.50	142.25	125.70	80.3%	—	1
24	3	97.2%	0.80	0.20	4.35	490.00	—	—	—	—	—	—
92	18	92.1%	1.00	0.63	2.18	500.00	—	—	—	—	—	—
187	4	90.8%	0.80	0.01	2.06	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 30, 2026 expiration, the ALAB put/call ratio based on open interest is 1.71 (4,098 puts vs 2,393 calls), and 1.35 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 30, 2026 is about 78.9%, 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.