Arm (ARM) Options Chain

NASDAQ: ARMTechnologySemiconductorsUSD

266.28-9.01 (-3.27%)

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

Expiration date

Expiration: Dec 15, 2028
Days to expiration: 796
Share price: $266.28
Put/call ratio (OI): 1.67
Put/call ratio (volume): 3.67
ATM implied volatility: 64.3%
Expected move: ±$252.93
Open interest (C / P): 4.09K / 6.82K

ARM options summary

The ARM options chain for the December 15, 2028 expiration lists 47 call and 47 put contracts, with 796 days until expiration. Open interest stands at 4,086 calls and 6,823 puts, a put/call ratio of 1.67, which is more bearish, with puts outnumbering calls. At-the-money implied volatility near the $270.00 strike is 64.3%, which implies the market expects a move of about ±$252.93 (95.0%) in Arm stock by expiration.

The most open interest sits at the $500.00 call (957 contracts) and the $150.00 put (1.08K contracts).

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

ARM options chain · December 15, 2028

ARM 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
11	2	80.6%	210.90	176.00	180.00	115.00	13.00	13.95	13.20	60.1%	1	95
12	3	80.1%	233.00	173.00	177.00	120.00	13.90	16.05	14.40	60.0%	2	48
1	—	62.9%	156.25	157.95	162.00	125.00	14.75	17.05	16.00	58.9%	1	550
17	2	78.7%	175.25	166.50	171.00	130.00	16.75	18.55	17.90	58.9%	10	34
1	—	78.5%	193.55	164.00	168.00	135.00	17.00	20.40	24.15	57.9%	1	346
—	—	—	—	—	—	140.00	20.25	22.10	21.50	58.8%	10	8
1	1	77.8%	162.48	158.50	162.50	145.00	21.10	25.05	22.25	58.7%	1	6
9	1	77.4%	187.40	155.55	160.00	150.00	24.15	25.20	25.10	58.2%	3	1,080
4	3	58.7%	197.00	136.50	140.45	155.00	24.65	27.85	30.30	57.7%	2	32
3	8	76.7%	135.23	150.50	154.50	160.00	27.00	30.05	29.00	57.9%	1	62
5	1	76.4%	195.60	148.00	152.00	165.00	28.50	33.00	30.63	57.9%	2	26
20	1	76.1%	164.25	145.50	149.50	170.00	30.50	35.00	36.27	57.6%	42	104
28	2	76.0%	187.18	143.00	147.50	175.00	32.50	37.50	38.66	57.5%	1	3
36	3	75.6%	128.21	140.50	145.00	180.00	35.40	38.50	34.95	57.1%	2	10
4	1	75.4%	135.31	138.50	142.50	185.00	37.85	40.95	39.45	57.1%	106	100
14	1	75.0%	122.00	136.00	140.10	190.00	39.90	43.30	41.14	56.8%	1	16
15	1	75.0%	159.68	134.00	138.00	195.00	42.00	46.50	45.30	56.9%	1	3
55	2	74.7%	166.05	131.50	136.00	200.00	44.50	49.00	45.55	56.8%	2	131
59	11	74.5%	178.20	127.50	132.00	210.00	49.50	54.00	50.15	56.5%	8	59
44	2	74.4%	152.75	124.00	128.00	220.00	55.00	59.50	69.70	56.3%	1	653
37	4	74.0%	154.68	120.05	124.00	230.00	60.50	65.00	60.19	56.1%	1	97
17	3	73.8%	143.53	116.50	120.50	240.00	66.10	69.40	67.90	55.3%	1	285
545	1	73.5%	117.07	113.00	116.75	250.00	72.00	76.10	70.50	55.4%	2	84
43	1	73.4%	112.50	109.50	114.00	260.00	78.95	81.20	80.00	55.1%	1	189
ARM $266.28
76	1	73.8%	124.00	108.00	110.50	270.00	84.00	88.50	82.17	54.9%	2	196
68	2	73.2%	112.23	103.75	107.50	280.00	90.50	95.00	92.20	54.7%	2	16
57	2	72.9%	102.13	100.50	104.50	290.00	97.00	101.50	106.70	54.5%	3	20
109	2	73.0%	100.55	98.00	102.00	300.00	103.50	108.00	105.75	54.1%	10	82
110	3	72.7%	133.83	95.10	99.00	310.00	110.50	115.00	107.70	54.0%	24	242
162	1	72.6%	116.28	92.50	96.50	320.00	117.50	122.00	115.65	53.9%	16	143
131	2	72.5%	119.01	90.00	94.00	330.00	124.50	129.00	115.91	53.6%	3	119
100	8	72.7%	129.80	88.00	91.85	340.00	131.50	136.15	126.25	53.3%	20	93
181	1	72.3%	91.70	85.50	88.75	350.00	139.00	143.50	134.55	53.1%	28	173
36	2	72.5%	100.18	83.50	87.30	360.00	146.50	151.00	141.60	53.0%	3	14
49	2	72.6%	115.09	81.50	85.50	370.00	154.00	158.30	147.85	52.7%	21	390
60	8	72.5%	104.45	79.50	83.10	380.00	161.60	166.00	157.15	52.5%	36	60
102	4	72.3%	82.90	77.50	80.80	390.00	169.00	173.50	163.20	52.1%	172	161
227	1	72.3%	85.60	75.50	79.05	400.00	177.00	181.00	170.75	51.9%	1	15
140	15	72.4%	107.75	73.50	78.00	410.00	184.50	189.20	177.20	51.6%	15	234
82	2	72.2%	82.50	72.00	75.55	420.00	192.50	197.50	185.35	51.5%	1	88
18	2	72.3%	83.80	70.50	73.90	430.00	200.60	205.00	201.15	51.1%	2	34
108	1	72.4%	71.10	68.65	72.95	440.00	—	—	—	—	—	—
103	1	72.2%	89.54	67.00	70.80	450.00	217.00	221.35	200.65	50.7%	3	122
26	13	72.4%	96.55	65.50	69.85	460.00	225.00	229.50	216.75	50.3%	29	187
31	27	72.4%	99.65	64.00	68.50	470.00	233.50	238.00	223.85	50.2%	1	36
149	1	72.3%	77.75	63.00	66.50	480.00	242.00	247.00	232.70	50.2%	27	195
23	1	72.3%	70.14	61.50	65.15	490.00	250.50	254.70	231.45	51.1%	1	6
957	16	72.6%	62.53	60.80	64.20	500.00	259.00	263.20	244.15	50.9%	8	176

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 ARM put/call ratio?

For the December 15, 2028 expiration, the ARM put/call ratio based on open interest is 1.67 (6,823 puts vs 4,086 calls), and 3.67 based on today's volume. A ratio above 1 means more puts than calls.

What is ARM's implied volatility?

At-the-money implied volatility for ARM options expiring December 15, 2028 is about 64.3%, an annualized estimate of how much the market expects Arm stock to move.

How many ARM option expiration dates are there?

ARM has 18 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.