ARM option chain Arm Holdings plc American Depositary Shares

Expiration Cboe delayed options data · as of 15:34 UTC

Each row is one strike. The left half is the call, the right half the put. Bid/ask are what buyers and sellers currently quote; volume is contracts traded this session; open interest is standing contracts. The highlighted row sits closest to the stock price.

This expiration prices a move of about ±17.3% (191.98–272.48) · ATM IV 73.1% · P/C open interest 1.18

CALLS								Strike	PUTS
Bid	Ask	Vol	OIThe number of option contracts currently outstanding at a strike or expiration. High open interest shows where positions are concentrated.	IV	ΔModel sensitivity of an option's price to a $1 move in the stock; also used as a rough moneyness scale (a 25-delta option is well out of the money).	Γ	Θ		Bid	Ask	Vol	OI	IV	Δ	Γ	Θ
111.40	115.25		214	113.5%	0.99	0.0004	-0.018	120	0	0.9800		160	113.0%	-0.01	0.0004	-0.031
106.45	110.25		93	107.3%	0.99	0.0005	-0.022	125	0.0100	0.7100	2	535	101.8%	-0.01	0.0005	-0.035
101.50	105.35		142	103.0%	0.98	0.0006	-0.027	130	0.0200	0.3500		185	87.4%	-0.02	0.0006	-0.039
96.60	100.35		43	97.9%	0.98	0.0007	-0.032	135	0.0300	1.22		68	98.9%	-0.02	0.0007	-0.044
92.00	95.45		68	97.8%	0.98	0.0008	-0.039	140	0.1900	0.8500		442	90.2%	-0.02	0.0008	-0.050
86.85	90.10		102	85.5%	0.97	0.0010	-0.047	145	0.1500	1.54		127	92.5%	-0.03	0.0010	-0.057
82.05	85.40		320	85.4%	0.97	0.0012	-0.056	150	0.5900	0.7300	3	500	84.5%	-0.03	0.0012	-0.066
77.55	80.75		34	87.0%	0.96	0.0015	-0.067	155	0.7400	1.61		54	86.9%	-0.04	0.0015	-0.076
73.20	75.95	1	82	86.9%	0.95	0.0018	-0.080	160	1.04	1.35	3	418	81.6%	-0.05	0.0018	-0.088
68.00	71.60		115	83.5%	0.94	0.0021	-0.094	165	1.37	1.89		605	81.7%	-0.06	0.0021	-0.102
64.00	66.75		120	83.5%	0.93	0.0025	-0.110	170	1.79	2.29		315	80.4%	-0.07	0.0025	-0.118
59.20	62.25		61	80.4%	0.91	0.0030	-0.128	175	2.24	2.84	1	1,161	79.3%	-0.09	0.0030	-0.135
55.30	58.05		185	81.7%	0.89	0.0035	-0.147	180	2.83	3.45	6	2,268	78.1%	-0.11	0.0035	-0.154
50.50	53.50		97	77.5%	0.87	0.0040	-0.167	185	3.55	4.20	2	1,482	77.3%	-0.13	0.0040	-0.173
46.60	49.30		57	77.0%	0.85	0.0045	-0.188	190	4.40	4.95	8	842	76.0%	-0.16	0.0045	-0.194
42.35	44.95		168	74.3%	0.82	0.0050	-0.208	195	5.40	5.90	6	983	75.0%	-0.18	0.0051	-0.214
38.85	41.60	1	782	75.6%	0.79	0.0056	-0.228	200	6.60	7.10	23	3,233	74.5%	-0.21	0.0056	-0.234
35.25	37.95			74.9%	0.76	0.0061	-0.247	205	7.90	8.85	4		74.6%	-0.25	0.0061	-0.252
31.75	34.50		151	74.1%	0.72	0.0065	-0.265	210	9.50	10.35	6	1,373	74.0%	-0.28	0.0066	-0.269
30.45	32.85			74.5%	0.70	0.0067	-0.272	212.5	10.35	11.45	27		74.2%	-0.30	0.0068	-0.277
29.25	30.65			73.8%	0.68	0.0069	-0.280	215	11.20	12.40	1		73.9%	-0.32	0.0070	-0.284
27.85	29.15			74.0%	0.67	0.0071	-0.286	217.5	12.15	13.55			74.1%	-0.34	0.0072	-0.290
26.45	27.70		190	73.9%	0.65	0.0073	-0.292	220	13.25	14.25	101	2,535	73.4%	-0.35	0.0073	-0.296
25.05	26.25			73.8%	0.63	0.0074	-0.297	222.5	14.10	15.35			72.9%	-0.37	0.0075	-0.300
23.70	24.90	1		73.7%	0.61	0.0075	-0.301	225	15.40	16.70	2		73.5%	-0.39	0.0076	-0.305
22.30	23.50			73.2%	0.59	0.0076	-0.305	227.5	16.35	17.70			72.5%	-0.41	0.0077	-0.308
21.05	22.15	56	152	72.9%	0.57	0.0077	-0.308	230	17.90	18.80	27	4,025	72.8%	-0.43	0.0078	-0.310
19.80	21.25	1		73.3%	0.55	0.0078	-0.310	232.5	19.10	20.35			73.0%	-0.45	0.0079	-0.312
18.65	20.00	6		73.0%	0.53	0.0079	-0.311	235	20.30	21.40	24		72.1%	-0.47	0.0079	-0.313
17.70	18.85	16		73.1%	0.51	0.0079	-0.311	237.5	21.50	23.00	1		72.0%	-0.49	0.0080	-0.314
16.65	17.60	12	1,274	72.7%	0.49	0.0079	-0.311	240	23.30	24.30	18	3,905	72.3%	-0.51	0.0080	-0.313
15.80	16.80	62		73.3%	0.47	0.0079	-0.310	242.5	24.30	26.30			72.3%	-0.53	0.0080	-0.312
14.85	15.75	8		73.1%	0.45	0.0079	-0.308	245	26.30	27.40	6		72.3%	-0.55	0.0080	-0.310
13.55	14.90	14		72.4%	0.44	0.0078	-0.306	247.5	27.90	29.00	4		72.2%	-0.57	0.0079	-0.307
12.95	13.80	63	1,198	72.5%	0.42	0.0078	-0.303	250	29.70	30.60	49	5,741	72.4%	-0.59	0.0079	-0.304
12.25	13.10	16		72.9%	0.40	0.0077	-0.299	252.5	31.15	32.50	20		72.4%	-0.61	0.0078	-0.300
11.50	12.25	1		72.8%	0.38	0.0076	-0.295	255	32.85	34.25	9		72.4%	-0.62	0.0077	-0.296
10.80	11.55			72.9%	0.36	0.0075	-0.290	257.5	34.75	35.95	6		72.5%	-0.64	0.0076	-0.291
10.10	10.80	12	1,846	72.8%	0.35	0.0074	-0.285	260	36.35	38.35	18	2,054	73.2%	-0.66	0.0075	-0.286
8.80	9.45	14		72.6%	0.32	0.0071	-0.274	265	39.90	41.95			72.7%	-0.69	0.0072	-0.275
7.65	8.35	42	1,449	72.6%	0.29	0.0068	-0.262	270	43.55	46.10	1	2,675	72.9%	-0.72	0.0069	-0.262
6.75	7.30	3		72.8%	0.26	0.0064	-0.248	275	47.40	49.95	1		72.2%	-0.75	0.0066	-0.249
5.90	6.35	42	794	72.9%	0.23	0.0061	-0.235	280	51.65	53.40	2	1,086	70.9%	-0.78	0.0062	-0.235
4.45	4.90	74	1,393	73.2%	0.19	0.0053	-0.208	290	60.00	62.40	1	1,633	71.5%	-0.82	0.0055	-0.207
3.45	3.75	293	3,960	73.8%	0.15	0.0046	-0.182	300	69.60	71.25	5	1,342	73.7%	-0.86	0.0048	-0.180
2.54	2.97	49	2,685	74.3%	0.12	0.0039	-0.158	310	78.15	81.25		890	74.8%	-0.89	0.0041	-0.156
1.98	2.26	31	2,782	75.0%	0.10	0.0033	-0.138	320	87.35	90.65		383	74.5%	-0.91	0.0035	-0.135
1.60	1.79	41	2,021	76.2%	0.08	0.0028	-0.120	330	96.85	99.90		302	72.5%	-0.93	0.0030	-0.117
1.25	1.43	11	1,298	77.2%	0.07	0.0024	-0.105	340	106.55	109.60		178	72.2%	-0.95	0.0026	-0.102

Strikes shown: within ±50% of the underlying price. Intrinsic value = max(0, price − strike) for calls, max(0, strike − price) for puts; extrinsic = option price − intrinsic. Greeks and IV as computed by the exchange feed.

Volatility smile — Nov 20, 2026

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Implied volatility per strike for this expiration. Out-of-the-money puts usually price higher IV than calls — the skew.

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ARM option chain Arm Holdings plc American Depositary Shares

Volatility smile — Nov 20, 2026

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