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 17, 2027
Days to expiration: 432
Share price: $342.21
Put/call ratio (OI): 0.22
Put/call ratio (volume): 0.05
ATM implied volatility: 78.4%
Expected move: ±$292.03
Open interest (C / P): 4.89K / 1.06K

ALAB options summary

The ALAB options chain for the December 17, 2027 expiration lists 67 call and 54 put contracts, with 432 days until expiration. Open interest stands at 4,886 calls and 1,065 puts, a put/call ratio of 0.22, which is tilted bullish, with calls outnumbering puts. At-the-money implied volatility near the $340.00 strike is 78.4%, which implies the market expects a move of about ±$292.03 (85.3%) in Astera Labs stock by expiration.

The most open interest sits at the $110.00 call (1.00K contracts) and the $95.00 put (168 contracts).

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

ALAB options chain · December 17, 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
45	5	99.4%	194.47	253.00	262.00	95.00	1.54	5.75	8.39	75.8%	2	168
24	3	98.5%	190.50	249.00	258.00	100.00	2.43	6.25	8.20	76.0%	1	28
0	2	—	237.71	0.00	0.00	105.00	7.00	12.30	22.77	90.4%	1	14
1,000	999	95.8%	166.10	241.00	249.50	110.00	0.00	0.00	14.72	25.0%	1	0
—	—	—	—	—	—	115.00	2.02	10.75	10.55	74.8%	1	3
0	—	—	228.70	0.00	0.00	120.00	3.10	13.00	9.15	76.9%	8	55
0	1	—	254.85	174.00	183.00	125.00	4.00	14.00	10.00	76.6%	4	13
2	1	—	260.00	198.00	207.00	130.00	5.00	15.00	11.95	76.4%	1	19
999	—	92.5%	179.87	222.00	231.00	135.00	0.00	0.00	22.75	12.5%	6	0
0	—	168.2%	115.25	264.00	272.00	140.00	7.90	17.00	10.87	76.4%	1	5
1	2	—	272.05	162.00	171.00	145.00	0.00	0.00	33.73	12.5%	—	0
510	518	90.8%	145.40	212.00	219.60	150.00	10.00	19.00	15.00	75.3%	1	109
—	—	—	—	—	—	155.00	15.00	21.00	22.20	78.8%	1	3
500	533	89.9%	164.15	205.00	213.00	160.00	13.75	19.00	18.95	73.6%	1	5
2	2	—	259.89	152.00	161.00	165.00	0.00	0.00	33.75	12.5%	2	0
2	1	88.9%	199.08	198.00	206.50	170.00	19.50	25.00	20.25	77.8%	1	8
—	—	—	—	—	—	175.00	35.00	44.00	40.00	98.8%	3	5
0	1	—	158.20	0.00	0.00	180.00	19.00	25.80	25.00	73.1%	1	2
2	1	—	263.00	142.50	151.00	185.00	—	—	—	—	—	—
0	1	—	154.50	0.00	0.00	190.00	22.00	31.95	26.50	74.4%	1	2
11	1	88.2%	129.30	183.00	192.00	195.00	24.00	33.00	30.55	74.0%	1	23
12	4	87.8%	159.25	180.00	189.00	200.00	26.00	35.00	29.50	74.0%	3	102
29	1	85.9%	167.78	174.00	181.05	210.00	29.00	39.00	43.50	73.4%	2	8
10	3	86.2%	208.73	169.00	176.50	220.00	34.00	43.00	32.74	73.6%	1	26
0	1	—	137.00	0.00	0.00	230.00	40.00	44.90	37.78	73.1%	2	3
28	1	86.1%	138.99	159.00	167.00	240.00	43.00	49.35	45.20	72.1%	2	16
36	1	86.2%	174.80	154.00	163.00	250.00	50.90	53.35	47.95	73.1%	1	46
8	1	84.7%	145.10	149.00	156.00	260.00	55.70	60.65	58.50	74.0%	2	90
44	2	85.8%	190.48	145.00	154.00	270.00	59.30	67.00	63.90	73.6%	6	9
13	3	85.0%	91.89	140.00	149.00	280.00	62.00	72.00	66.00	72.3%	1	20
12	1	85.0%	156.01	136.00	145.00	290.00	68.00	77.00	103.15	72.2%	1	11
27	2	84.8%	141.76	132.00	141.00	300.00	74.00	83.00	73.00	72.3%	1	45
106	2	84.2%	172.00	128.00	136.00	310.00	79.00	87.50	73.00	71.3%	1	11
102	5	84.4%	131.70	125.00	132.40	320.00	85.00	95.00	92.25	71.8%	13	22
16	2	84.2%	119.50	121.00	129.00	330.00	0.00	0.00	133.93	0.8%	1	0
32	2	84.1%	127.75	118.00	125.00	340.00	101.05	107.00	104.03	72.8%	1	62
ALAB $342.21
47	1	83.8%	127.88	114.00	122.00	350.00	107.50	111.75	111.04	72.1%	1	3
11	1	83.5%	124.28	111.00	118.00	360.00	113.85	120.00	109.90	72.5%	10	69
19	1	84.3%	110.00	108.00	117.00	370.00	159.95	164.75	178.20	100.5%	1	2
496	2	83.6%	124.69	105.00	112.25	380.00	124.00	133.00	121.64	71.0%	1	5
16	1	83.8%	139.00	102.35	110.00	390.00	—	—	—	—	—	—
38	1	84.0%	138.53	100.00	107.65	400.00	—	—	—	—	—	—
22	1	84.2%	120.00	97.00	106.00	410.00	0.00	0.00	193.32	—	15	0
15	2	83.9%	132.50	95.00	102.00	420.00	173.00	181.20	211.13	84.5%	2	15
34	5	84.2%	126.72	92.00	101.00	430.00	—	—	—	—	—	—
6	1	83.8%	109.42	90.00	97.00	440.00	168.70	175.75	160.95	70.9%	3	11
35	5	84.7%	120.95	88.00	97.00	450.00	176.05	182.80	168.20	70.6%	2	8
0	1	6.3%	79.00	0.00	0.00	460.00	—	—	—	—	—	—
6	2	84.2%	116.17	83.00	92.00	470.00	0.00	0.00	231.65	—	—	0
0	1	53.7%	85.20	81.00	0.00	480.00	—	—	—	—	—	—
0	1	6.3%	72.00	0.00	0.00	490.00	0.00	0.00	239.40	—	4	0
27	1	83.9%	107.81	77.00	85.00	500.00	0.00	0.00	247.95	—	6	0
26	1	84.0%	85.85	76.25	82.45	510.00	0.00	0.00	258.50	—	—	0
2	1	84.2%	95.04	74.90	80.55	520.00	253.00	259.80	272.33	84.8%	—	7
78	8	84.2%	73.60	72.00	80.05	530.00	288.00	297.00	250.00	103.7%	1	2
1	1	83.8%	45.63	70.00	77.40	540.00	297.00	306.00	316.60	104.1%	1	1
5	1	84.5%	59.97	69.00	77.00	550.00	278.00	287.00	294.96	85.7%	—	8
3	108	84.3%	67.60	68.00	74.15	560.00	314.00	323.00	267.40	104.3%	—	1
48	100	84.3%	85.60	66.00	73.00	570.00	—	—	—	—	—	—
1	6	84.8%	64.30	66.50	71.05	580.00	—	—	—	—	—	—
7	2	84.3%	77.83	63.00	70.10	590.00	—	—	—	—	—	—
12	6	84.0%	76.73	61.00	68.25	600.00	—	—	—	—	—	—
6	10	84.9%	75.22	60.00	69.00	610.00	—	—	—	—	—	—
8	9	84.4%	73.33	59.00	65.80	620.00	—	—	—	—	—	—
4	6	85.0%	59.10	57.00	67.00	630.00	—	—	—	—	—	—
—	—	—	—	—	—	640.00	0.00	0.00	361.65	—	2	0
11	1	84.4%	76.00	55.00	62.15	650.00	—	—	—	—	—	—
15	8	84.8%	68.45	54.00	62.00	660.00	—	—	—	—	—	—
2	2	85.0%	81.70	53.00	61.00	670.00	—	—	—	—	—	—
113	34	85.4%	70.17	52.00	61.00	680.00	0.00	0.00	396.49	—	6	0
199	2	85.4%	50.60	50.00	58.60	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 December 17, 2027 expiration, the ALAB put/call ratio based on open interest is 0.22 (1,065 puts vs 4,886 calls), and 0.05 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 17, 2027 is about 78.4%, 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.