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: Jan 15, 2027
Days to expiration: 96
Share price: $266.28
Put/call ratio (OI): 1.82
Put/call ratio (volume): 3.55
ATM implied volatility: 62.7%
Expected move: ±$85.64
Open interest (C / P): 59.73K / 108.65K

ARM options summary

The ARM options chain for the January 15, 2027 expiration lists 85 call and 84 put contracts, with 96 days until expiration. Open interest stands at 59,725 calls and 108,646 puts, a put/call ratio of 1.82, which is more bearish, with puts outnumbering calls. At-the-money implied volatility near the $270.00 strike is 62.7%, which implies the market expects a move of about ±$85.64 (32.2%) in Arm stock by expiration.

The most open interest sits at the $200.00 call (6.50K contracts) and the $360.00 put (7.64K contracts).

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

ARM options chain · January 15, 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	—	164.30	361.50	365.60	42.50	0.00	0.04	0.03	117.2%	2	1,367
3	1	—	269.30	192.80	197.50	45.00	0.00	0.14	0.02	127.3%	6	1,257
8	5	—	63.43	80.00	84.50	47.50	0.00	0.05	0.02	111.7%	5	349
43	1	164.8%	215.00	215.00	219.25	50.00	0.00	0.10	0.02	115.6%	83	5,782
7	1	—	156.60	291.70	295.80	55.00	0.00	0.09	0.01	108.2%	39	344
39	1	148.5%	242.00	205.00	209.35	60.00	0.00	0.09	0.02	102.3%	8	196
45	1	143.8%	219.10	200.00	204.60	65.00	0.00	0.09	0.02	96.9%	4	464
0	1	—	346.70	0.00	0.00	70.00	0.03	0.10	0.03	95.3%	567	2,400
32	2	131.4%	257.73	190.00	194.75	75.00	0.01	0.09	0.03	88.3%	45	1,532
46	2	125.5%	252.56	185.20	189.60	80.00	0.00	0.11	0.03	84.8%	45	7,213
6	1	—	254.67	156.75	160.20	82.50	0.00	0.07	0.04	78.9%	6	136
57	2	124.4%	173.60	180.50	184.85	85.00	0.03	0.11	0.05	82.4%	266	823
7	1	263.6%	361.20	197.50	202.15	87.50	0.00	0.11	0.04	78.5%	4	123
110	4	120.2%	242.97	176.00	179.55	90.00	0.02	0.08	0.04	76.0%	3	4,701
23	1	763.3%	107.18	256.60	260.95	92.50	0.00	0.13	0.05	76.2%	26	823
51	2	114.3%	217.65	170.50	175.00	95.00	0.00	0.13	0.05	74.2%	6	1,724
0	1	—	135.00	0.00	0.00	97.50	0.00	0.16	0.05	74.0%	49	726
262	5	114.6%	219.65	166.40	169.95	100.00	0.05	0.15	0.08	74.0%	24	5,298
95	1	108.8%	198.00	161.15	165.10	105.00	0.00	0.15	0.06	68.4%	34	2,072
339	1	102.5%	194.71	156.20	159.80	110.00	0.03	0.22	0.16	69.0%	80	2,146
168	5	97.6%	208.65	151.50	154.45	115.00	0.02	0.26	0.22	66.6%	14	802
596	40	93.4%	183.44	146.50	149.50	120.00	0.00	0.76	0.27	72.3%	2	3,147
469	15	93.2%	170.46	142.15	144.65	125.00	0.05	0.36	0.29	63.3%	9	791
610	1	90.7%	140.00	136.70	140.50	130.00	0.15	0.48	0.40	63.9%	9	833
228	1	88.4%	136.00	132.00	135.65	135.00	0.00	1.24	0.34	67.3%	5	748
438	2	82.8%	131.74	127.10	130.15	140.00	0.00	1.25	0.54	64.2%	1	6,903
262	1	85.0%	127.00	122.60	126.35	145.00	0.16	1.51	0.75	64.2%	2	1,468
3,568	2	79.4%	120.00	117.65	120.80	150.00	0.51	1.67	1.03	64.1%	6	1,334
1,598	1	80.9%	131.35	113.55	116.65	155.00	0.56	2.25	1.32	64.0%	2	1,159
497	1	78.4%	111.15	108.55	112.15	160.00	1.26	2.46	1.71	64.6%	19	1,130
1,469	1	74.7%	141.15	103.80	106.95	165.00	1.20	3.15	2.12	63.5%	2	375
463	1	74.1%	137.74	99.65	102.40	170.00	2.23	2.80	2.62	62.4%	3	3,038
511	2	71.8%	121.10	94.85	97.85	175.00	2.76	3.30	3.13	62.0%	3	1,162
1,141	2	72.4%	126.47	90.50	94.30	180.00	3.00	4.45	3.75	62.1%	12	2,502
1,114	2	71.8%	111.90	86.25	90.25	185.00	4.10	4.50	4.43	61.3%	4	570
1,208	4	69.2%	84.50	82.05	85.15	190.00	4.65	5.60	5.09	61.2%	775	3,514
156	1	68.5%	93.34	78.00	81.10	195.00	5.25	6.45	6.25	60.4%	2	207
6,497	2	67.8%	78.00	74.00	77.15	200.00	6.65	7.15	7.00	60.4%	457	3,390
538	11	67.3%	74.86	66.50	69.90	210.00	8.80	9.80	9.20	60.2%	24	2,638
390	1	65.9%	61.85	59.30	62.55	220.00	11.55	12.55	12.21	59.6%	206	3,753
1,251	4	65.7%	55.00	53.10	56.00	230.00	14.90	16.35	15.25	59.9%	313	2,681
281	3	65.2%	49.03	47.05	50.00	240.00	18.60	20.60	19.00	59.8%	43	1,958
772	20	65.2%	43.00	42.00	44.35	250.00	23.50	24.75	24.00	59.8%	6	6,716
832	12	66.1%	38.65	37.90	39.75	260.00	28.45	29.90	28.20	59.8%	7	2,004
ARM $266.28
3,001	123	66.1%	34.00	33.55	35.30	270.00	33.50	35.50	35.00	59.4%	123	577
1,726	121	64.8%	30.72	28.65	30.90	280.00	39.10	41.70	40.04	59.1%	10	3,592
389	17	65.9%	27.00	25.80	27.80	290.00	45.55	48.80	39.30	59.7%	3	636
1,190	53	65.9%	23.40	23.00	24.30	300.00	52.45	55.55	53.05	59.7%	2	1,055
2,411	7	66.3%	20.57	20.10	21.95	310.00	59.70	62.25	45.30	59.1%	1	291
882	14	65.5%	18.50	17.35	18.80	320.00	66.70	70.60	68.20	59.3%	5	481
897	27	65.8%	15.85	15.40	16.55	330.00	74.70	78.45	67.25	59.4%	1	191
1,320	74	66.9%	14.55	13.95	15.00	340.00	83.30	86.40	84.15	59.6%	1	267
2,035	38	66.3%	12.45	12.00	12.90	350.00	91.80	94.95	92.40	59.9%	15	126
594	40	66.8%	11.42	10.20	11.95	360.00	100.30	103.05	97.00	59.1%	6	7,645
510	2	66.8%	9.72	9.25	10.20	370.00	108.60	112.00	76.45	58.6%	1	30
750	22	68.5%	9.04	8.30	10.00	380.00	117.30	121.30	89.25	58.5%	1	106
756	10	68.3%	8.70	7.40	8.55	390.00	127.15	130.40	116.25	59.6%	12	198
2,154	76	67.8%	7.00	6.40	7.25	400.00	135.55	139.60	110.40	58.0%	3	235
327	9	68.3%	6.55	5.65	6.60	410.00	146.00	148.40	147.10	58.9%	1	132
456	9	68.4%	6.25	4.55	6.25	420.00	154.25	157.90	111.58	56.1%	1	304
554	6	70.3%	5.98	3.95	6.55	430.00	164.45	167.85	129.57	58.6%	1	41
300	7	68.2%	4.77	3.35	4.85	440.00	173.80	177.30	162.25	57.4%	1	17
968	15	69.2%	4.20	3.20	4.45	450.00	183.40	186.80	150.60	56.3%	5	54
676	2	70.7%	3.90	3.35	4.05	460.00	193.00	196.35	192.35	54.6%	20	69
417	4	71.2%	4.42	3.05	3.70	470.00	203.35	206.00	164.00	56.3%	1	57
686	1	72.3%	3.67	2.78	3.60	480.00	0.00	0.00	209.05	—	1	0
357	1	70.5%	4.73	1.75	3.25	490.00	222.50	225.70	170.20	52.3%	2	20
1,056	4	72.9%	2.65	2.41	2.82	500.00	261.05	264.45	260.00	144.8%	1	5
2,138	2	72.4%	3.47	1.90	2.58	510.00	244.00	248.45	174.95	74.0%	2	2
349	4	74.8%	11.55	1.53	3.20	520.00	253.00	256.95	183.15	67.0%	1	10
363	2	74.7%	7.27	1.76	2.43	530.00	262.00	266.00	199.20	55.7%	1	35
343	8	76.7%	4.90	1.71	2.63	540.00	271.85	275.20	247.90	71.8%	1	10
506	2	74.3%	1.94	1.25	2.00	550.00	281.80	285.50	228.50	75.6%	49	47
45	2	76.1%	4.43	1.20	2.15	560.00	291.85	295.15	276.90	74.3%	47	16
277	3	76.7%	2.80	1.00	2.15	570.00	329.55	333.60	256.71	156.8%	2	33
472	4	76.7%	1.48	0.95	1.87	580.00	313.50	316.75	234.65	76.8%	—	10
47	30	77.0%	5.31	0.70	1.90	590.00	349.85	353.10	287.75	160.3%	10	38
978	74	77.7%	1.27	0.74	1.74	600.00	331.70	335.20	275.85	80.0%	3	0
554	18	79.2%	1.19	0.74	1.80	610.00	369.75	373.05	297.30	163.7%	—	1
162	2	76.8%	1.76	0.54	1.32	620.00	378.95	383.45	347.50	164.9%	1	16
435	7	80.1%	1.57	0.69	1.55	630.00	361.70	365.45	360.10	85.9%	30	0
376	2	79.9%	2.60	0.48	1.52	640.00	371.70	375.45	366.55	87.1%	30	0
219	4	79.7%	0.88	0.54	1.24	650.00	396.45	400.50	403.86	139.5%	4	0
841	4	80.7%	1.10	0.49	1.27	660.00	—	—	—	—	—	—
973	7	80.7%	1.15	0.47	1.13	670.00	415.50	420.45	393.10	141.1%	20	0

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 January 15, 2027 expiration, the ARM put/call ratio based on open interest is 1.82 (108,646 puts vs 59,725 calls), and 3.55 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 January 15, 2027 is about 62.7%, 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.