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 17, 2027
Days to expiration: 432
Share price: $266.28
Put/call ratio (OI): 1.90
Put/call ratio (volume): 1.06
ATM implied volatility: 64.2%
Expected move: ±$186.10
Open interest (C / P): 8.66K / 16.44K

ARM options summary

The ARM options chain for the December 17, 2027 expiration lists 78 call and 71 put contracts, with 432 days until expiration. Open interest stands at 8,661 calls and 16,444 puts, a put/call ratio of 1.90, which is more bearish, with puts outnumbering calls. At-the-money implied volatility near the $270.00 strike is 64.2%, which implies the market expects a move of about ±$186.10 (69.9%) in Arm stock by expiration.

The most open interest sits at the $660.00 call (464 contracts) and the $125.00 put (8.74K contracts).

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

ARM options chain · December 17, 2027

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
5	1	106.3%	248.00	214.00	218.50	55.00	0.05	1.26	0.60	70.7%	2	34
8	1	101.8%	209.00	209.00	214.00	60.00	0.09	2.40	0.65	74.4%	1	45
0	10	—	368.22	0.00	0.00	65.00	0.00	1.76	1.25	66.4%	6	174
7	1	—	200.50	186.50	191.50	70.00	1.00	2.21	1.36	70.2%	4	181
12	1	93.7%	263.93	195.65	200.50	75.00	0.86	1.75	2.39	64.2%	3	117
56	1	92.6%	221.50	192.00	196.00	80.00	1.12	2.51	1.70	65.0%	1	407
25	2	90.0%	188.00	187.50	191.50	85.00	0.00	4.10	2.69	63.5%	10	35
11	1	153.8%	350.54	207.50	212.05	90.00	1.87	4.10	5.75	65.7%	1	84
0	1	—	303.50	0.00	0.00	95.00	2.26	4.15	3.46	63.7%	2	465
1	1	136.7%	269.50	197.00	202.00	97.50	2.89	4.15	3.37	63.7%	1	33
84	1	85.5%	181.48	175.00	179.00	100.00	3.50	4.30	4.11	63.8%	10	212
15	1	83.8%	175.42	170.50	175.00	105.00	3.55	4.75	4.79	61.9%	4	100
16	1	82.7%	215.00	166.50	171.00	110.00	4.25	5.90	5.07	62.4%	1	88
0	1	—	316.00	0.00	0.00	115.00	5.25	6.70	5.35	62.4%	20	175
0	1	—	147.50	0.00	0.00	120.00	6.00	7.35	8.10	61.7%	50	876
31	2	80.0%	129.00	155.00	159.50	125.00	5.35	10.00	9.34	61.6%	10	8,745
96	2	79.6%	184.28	151.50	156.00	130.00	7.10	10.30	9.00	61.4%	1	87
173	1	78.2%	138.00	147.50	152.00	135.00	7.95	11.65	10.00	61.2%	1	335
401	200	77.6%	134.06	144.00	148.50	140.00	10.05	12.10	11.70	61.2%	3	589
21	1	77.0%	164.15	140.50	145.00	145.00	10.50	14.25	11.20	61.1%	1	89
282	4	76.6%	144.40	137.35	141.50	150.00	12.60	14.25	13.91	60.4%	20	187
40	1	75.7%	160.75	134.00	137.75	155.00	14.10	15.75	15.00	60.4%	6	24
48	5	75.5%	132.60	130.50	135.00	160.00	14.90	17.45	16.21	59.8%	1	92
192	6	75.0%	181.95	127.70	131.35	165.00	17.00	18.85	16.00	60.0%	1	23
49	1	75.0%	174.63	124.50	129.00	170.00	17.85	20.65	19.87	59.3%	4	122
96	1	62.6%	128.35	113.00	116.50	175.00	19.50	22.45	21.27	59.2%	1	18
146	1	74.3%	173.78	118.50	123.00	180.00	21.05	25.50	20.20	59.7%	1	859
85	1	73.8%	150.95	115.50	120.00	185.00	22.50	27.50	25.00	59.4%	1	67
82	4	73.3%	147.88	112.55	117.00	190.00	25.00	29.10	25.58	59.4%	1	21
39	18	73.3%	97.45	110.00	114.50	195.00	27.00	31.50	26.00	59.4%	1	158
313	2	73.0%	139.17	107.50	111.50	200.00	30.10	32.00	31.25	58.9%	22	150
301	1	72.3%	110.93	102.00	106.45	210.00	34.35	37.50	33.78	59.2%	2	42
281	1	72.4%	135.90	97.50	102.00	220.00	39.00	41.80	35.15	58.7%	1	62
181	1	71.9%	109.29	93.00	97.00	230.00	44.10	46.75	45.37	58.5%	2	32
222	3	71.5%	91.32	88.50	92.45	240.00	49.65	52.30	46.53	58.5%	6	26
123	1	71.7%	87.00	85.40	88.30	250.00	54.95	57.50	56.00	58.1%	2	184
98	2	71.3%	85.50	80.50	84.95	260.00	60.35	64.30	62.07	58.2%	2	72
ARM $266.28
60	2	70.8%	79.77	77.00	80.35	270.00	66.00	69.90	68.02	57.7%	2	111
102	1	71.2%	87.35	73.50	78.00	280.00	72.60	76.00	73.42	57.6%	6	122
143	1	71.0%	128.24	70.10	74.50	290.00	78.95	82.25	72.50	57.3%	1	49
102	32	70.6%	70.00	67.15	70.70	300.00	85.00	89.50	74.64	57.1%	1	64
43	6	70.8%	86.50	64.00	68.50	310.00	92.00	95.90	95.17	56.9%	1	81
156	30	70.6%	66.34	61.50	65.15	320.00	98.95	103.50	91.60	57.0%	50	65
96	1	70.7%	72.53	58.50	63.00	330.00	106.60	110.35	99.50	56.9%	1	9
74	30	70.5%	61.18	56.50	59.75	340.00	113.30	116.60	105.45	56.0%	1	188
120	3	71.4%	76.90	55.10	58.50	350.00	120.95	125.00	112.70	56.3%	151	165
50	1	70.7%	74.78	51.50	56.00	360.00	128.00	132.50	123.90	55.8%	101	130
152	63	70.8%	74.25	49.50	54.00	370.00	135.50	140.50	124.10	55.6%	7	6
210	1	70.9%	70.00	47.50	52.00	380.00	143.50	148.00	141.92	55.3%	1	5
35	1	70.4%	77.00	45.50	48.95	390.00	151.50	156.00	176.70	55.1%	1	11
59	1	70.2%	46.60	43.50	46.80	400.00	159.70	164.00	145.65	55.0%	14	22
47	2	70.9%	47.15	42.35	46.20	410.00	168.00	172.20	153.30	54.8%	10	64
31	1	70.9%	60.65	40.00	45.00	420.00	176.65	180.10	185.55	54.6%	100	102
57	1	70.3%	42.00	38.70	41.80	430.00	184.65	188.90	168.95	54.4%	1	2
236	2	70.5%	75.40	37.35	40.60	440.00	—	—	—	—	—	—
134	2	71.0%	59.75	35.50	40.50	450.00	201.50	206.00	183.91	53.9%	4	2
428	2	71.1%	69.22	34.50	38.95	460.00	240.65	244.00	249.65	81.7%	—	17
129	2	71.0%	33.98	33.00	37.50	470.00	249.00	253.00	241.00	81.8%	5	10
47	1	71.1%	58.45	32.00	36.20	480.00	227.50	232.00	256.70	53.0%	1	1
290	105	71.2%	63.45	30.50	35.50	490.00	236.00	241.00	227.45	52.6%	47	41
381	1	71.1%	38.48	29.50	33.90	500.00	—	—	—	—	—	—
439	2	71.2%	60.04	28.50	33.00	510.00	—	—	—	—	—	—
72	2	71.3%	48.50	27.50	32.00	520.00	—	—	—	—	—	—
54	1	71.4%	61.25	26.65	31.00	530.00	0.00	0.00	278.85	—	—	0
56	6	71.3%	40.50	25.50	30.00	540.00	—	—	—	—	—	—
110	1	71.5%	41.50	24.50	29.50	550.00	—	—	—	—	—	—
11	2	71.7%	59.40	24.00	28.50	560.00	300.00	304.50	274.40	50.8%	34	34
1	—	75.6%	55.70	27.00	31.50	570.00	—	—	—	—	—	—
3	1	75.3%	32.00	25.50	30.50	580.00	318.50	323.00	291.18	53.5%	—	1
7	2	71.7%	24.24	21.50	26.00	590.00	328.00	332.50	300.30	53.5%	29	54
26	62	71.5%	47.00	21.15	24.40	600.00	337.50	341.75	309.41	53.0%	10	18
63	2	72.0%	22.75	21.00	23.90	610.00	347.00	351.20	355.04	52.8%	2	4
102	100	72.2%	38.95	19.90	23.85	620.00	0.00	0.00	379.16	—	3	0
224	10	71.9%	21.22	19.30	22.60	630.00	0.00	0.00	375.63	—	6	0
31	1	72.3%	47.23	19.30	22.00	640.00	375.50	379.60	345.45	52.0%	5	3
77	20	72.6%	20.26	18.00	22.50	650.00	385.00	389.50	391.25	52.4%	3	6
464	1	72.3%	35.00	18.10	20.65	660.00	394.50	398.70	367.25	51.4%	27	35
199	2	72.1%	18.57	16.80	20.35	670.00	404.50	408.50	374.35	51.6%	6	12

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 17, 2027 expiration, the ARM put/call ratio based on open interest is 1.90 (16,444 puts vs 8,661 calls), and 1.06 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 17, 2027 is about 64.2%, 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.