ARM option chain Arm Holdings plc American Depositary Shares

Expiration Cboe delayed options data · as of 18:34 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 ±17.4% (190.68–271.08) · ATM IV 73.7% · 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
109.30	113.20		214		0.99	0.0005	-0.024	120	0	0.4600		160	100.6%	-0.01	0.0005	-0.037
104.35	108.45		93		0.99	0.0005	-0.028	125	0.1100	0.4200	2	535	96.8%	-0.02	0.0005	-0.041
99.50	103.45		142		0.98	0.0006	-0.033	130	0.0200	0.3500		185	86.9%	-0.02	0.0006	-0.045
94.95	98.60		43	78.6%	0.98	0.0008	-0.039	135	0.0800	0.5000		68	87.0%	-0.02	0.0008	-0.051
90.10	93.65	1	68	78.4%	0.98	0.0009	-0.046	140	0.2500	0.7600	1	442	89.2%	-0.03	0.0009	-0.057
84.90	88.05		102		0.97	0.0011	-0.054	145	0.1500	0.8500		127	83.7%	-0.03	0.0011	-0.065
81.10	83.25		320	77.6%	0.96	0.0013	-0.064	150	0.6100	1.03	9	500	85.7%	-0.04	0.0013	-0.074
75.70	78.55		34	70.6%	0.96	0.0016	-0.075	155	0.8500	1.21	8	54	83.9%	-0.04	0.0016	-0.085
71.60	73.85	1	82	77.6%	0.95	0.0019	-0.088	160	1.22	1.57	38	418	83.7%	-0.05	0.0019	-0.097
66.55	69.95		115	79.2%	0.93	0.0022	-0.103	165	1.63	2.05	1	605	83.4%	-0.07	0.0023	-0.111
61.80	64.70		120	73.3%	0.92	0.0026	-0.119	170	1.83	2.45		315	80.6%	-0.08	0.0027	-0.127
57.35	60.30		61	73.6%	0.90	0.0031	-0.137	175	2.63	2.97	7	1,161	80.7%	-0.10	0.0031	-0.144
53.15	56.00	1	185	74.2%	0.89	0.0036	-0.156	180	3.30	3.65	16	2,268	79.8%	-0.12	0.0036	-0.163
49.00	51.80		97	74.1%	0.86	0.0041	-0.176	185	4.10	4.50	18	1,482	79.1%	-0.14	0.0041	-0.182
44.95	47.90		57	74.3%	0.84	0.0046	-0.197	190	5.00	5.35	69	842	78.0%	-0.16	0.0046	-0.203
41.70	43.80		168	75.1%	0.81	0.0052	-0.217	195	5.95	6.55	72	983	77.2%	-0.19	0.0052	-0.223
38.00	39.85	1	782	74.2%	0.78	0.0057	-0.237	200	7.25	7.75	72	3,233	76.5%	-0.22	0.0057	-0.242
33.95	36.55			73.2%	0.75	0.0062	-0.255	205	8.60	9.30	37		75.9%	-0.25	0.0062	-0.260
31.65	33.00	2	151	74.7%	0.71	0.0066	-0.272	210	10.30	11.00	12	1,373	75.7%	-0.29	0.0066	-0.276
30.05	31.60			74.9%	0.69	0.0068	-0.279	212.5	11.20	11.95	28		75.6%	-0.31	0.0068	-0.283
28.50	30.15	1		74.9%	0.68	0.0070	-0.286	215	11.70	12.70	2		74.1%	-0.33	0.0070	-0.290
27.05	28.75			74.9%	0.66	0.0072	-0.292	217.5	13.15	13.75	1		74.9%	-0.35	0.0072	-0.296
25.65	26.60		190	73.5%	0.64	0.0073	-0.297	220	14.20	15.00	127	2,535	75.1%	-0.36	0.0074	-0.301
24.30	25.25			73.5%	0.62	0.0074	-0.302	222.5	14.35	16.30			73.5%	-0.38	0.0075	-0.305
22.95	23.85	1		73.2%	0.60	0.0076	-0.306	225	16.50	17.10	2		74.6%	-0.40	0.0076	-0.309
21.70	22.60	4		73.2%	0.58	0.0076	-0.309	227.5	17.75	18.45			74.8%	-0.42	0.0077	-0.312
20.50	21.35	56	152	73.1%	0.56	0.0077	-0.312	230	19.00	19.55	142	4,025	74.3%	-0.44	0.0078	-0.314
19.30	20.35	1		73.3%	0.54	0.0078	-0.313	232.5	20.10	21.10	9		74.2%	-0.46	0.0079	-0.316
18.20	19.10	8		73.1%	0.52	0.0078	-0.314	235	21.40	22.50	25		74.1%	-0.48	0.0079	-0.316
17.30	18.40	16		74.0%	0.50	0.0079	-0.314	237.5	23.05	23.80	1		74.2%	-0.50	0.0079	-0.316
16.35	16.90	122	1,274	73.2%	0.48	0.0079	-0.313	240	24.55	25.50	75	3,905	74.6%	-0.52	0.0079	-0.315
15.20	16.00	68		73.0%	0.46	0.0078	-0.312	242.5	26.05	26.80			74.1%	-0.54	0.0079	-0.314
14.20	15.40	11		73.4%	0.45	0.0078	-0.310	245	27.45	28.40	7		73.9%	-0.56	0.0079	-0.311
13.30	14.50	14		73.3%	0.43	0.0078	-0.307	247.5	29.25	30.00	4		74.1%	-0.58	0.0079	-0.309
12.60	13.35	146	1,198	73.0%	0.41	0.0077	-0.304	250	30.85	31.50	58	5,741	73.7%	-0.59	0.0078	-0.305
11.75	12.70	16		73.1%	0.39	0.0076	-0.300	252.5	32.35	33.40	29		73.7%	-0.61	0.0077	-0.301
11.00	12.00	4		73.2%	0.37	0.0075	-0.295	255	34.15	35.40	15		74.3%	-0.63	0.0076	-0.296
10.25	11.00			72.6%	0.36	0.0074	-0.290	257.5	35.90	37.55	6		74.9%	-0.65	0.0075	-0.291
9.60	10.55	63	1,846	73.1%	0.34	0.0073	-0.285	260	37.85	38.90	21	2,054	74.2%	-0.66	0.0074	-0.286
8.40	9.00	14		72.5%	0.31	0.0070	-0.273	265	41.45	42.85	1		74.4%	-0.70	0.0071	-0.274
7.35	7.95	94	1,449	72.8%	0.28	0.0067	-0.261	270	45.45	47.30	1	2,675	75.8%	-0.73	0.0068	-0.261
6.40	6.90	61		72.7%	0.25	0.0064	-0.247	275	48.95	51.75	1		75.8%	-0.76	0.0065	-0.247
5.55	6.20	120	794	73.2%	0.23	0.0060	-0.233	280	53.45	55.35	18	1,086	75.5%	-0.78	0.0061	-0.233
4.25	4.65	145	1,393	73.3%	0.18	0.0052	-0.205	290	62.05	64.60	2	1,633	77.8%	-0.83	0.0054	-0.205
3.25	3.60	403	3,960	74.0%	0.15	0.0045	-0.179	300	70.85	73.75	6	1,342	79.0%	-0.86	0.0047	-0.178
2.52	2.75	96	2,685	74.7%	0.12	0.0038	-0.155	310	79.50	83.00	1	890	78.3%	-0.89	0.0040	-0.153
1.98	2.14	95	2,782	75.6%	0.10	0.0032	-0.135	320	89.20	92.40		383	80.6%	-0.92	0.0034	-0.132
1.44	1.71	206	2,021	76.1%	0.08	0.0028	-0.117	330	98.85	101.95		302	82.4%	-0.93	0.0030	-0.114
1.25	1.36	16	1,298	77.8%	0.06	0.0023	-0.102	340	108.60	111.65		178	84.6%	-0.95	0.0026	-0.099

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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