XBI option chain State Street SPDR S&P Biotech ETF

Expiration Cboe delayed options data · as of 15:46 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 ±28.2% (110.16–196.66) · ATM IV 32.0% · P/C open interest 1.30

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
75.50	79.10		71	43.5%	0.94	0.0012	0.000	80	0.5300	1.63		21	38.9%	-0.04	0.0012	-0.006
73.00	76.40		2	42.8%	0.94	0.0014	0.000	83	0.7000	1.95		8	38.8%	-0.04	0.0014	-0.007
72.00	74.85		2	40.3%	0.94	0.0014	0.000	84	0.7600	1.73		13	37.7%	-0.05	0.0014	-0.007
71.00	74.00		101	39.8%	0.94	0.0015	0.000	85	0.8300	2.00		22	38.1%	-0.05	0.0015	-0.007
70.00	73.10		6	39.1%	0.93	0.0015	0.000	86	0.9000	1.90		3	37.5%	-0.05	0.0016	-0.007
69.50	72.90		13	41.6%	0.93	0.0016	0.000	87	0.9700	1.98		2	37.3%	-0.05	0.0016	-0.007
68.50	71.45		14	39.5%	0.93	0.0016	0.000	88	1.05	2.07		2	37.2%	-0.05	0.0017	-0.008
67.50	70.40		1	38.5%	0.93	0.0017	0.000	89	1.13	2.56			38.1%	-0.06	0.0017	-0.008
67.00	69.95		34	40.1%	0.93	0.0018	-0.000	90	1.21	2.26		59	37.0%	-0.06	0.0018	-0.008
66.00	69.55		1	40.6%	0.92	0.0018	-0.000	91	1.30	2.37			36.9%	-0.06	0.0019	-0.008
65.00	67.95		10	38.4%	0.92	0.0019	-0.001	92	1.39	3.40			38.9%	-0.06	0.0020	-0.008
64.50	67.20		61	39.1%	0.92	0.0020	-0.001	93	1.49	3.60			39.0%	-0.07	0.0020	-0.009
63.50	66.25		6	38.4%	0.92	0.0020	-0.001	94	1.60	2.71		2	36.6%	-0.07	0.0021	-0.009
62.50	65.45		30	37.9%	0.91	0.0021	-0.002	95	1.70	3.70		39	38.4%	-0.07	0.0022	-0.009
61.50	64.95		22	38.1%	0.91	0.0022	-0.002	96	1.81	2.97			36.5%	-0.07	0.0022	-0.009
61.00	63.95		10	38.2%	0.91	0.0022	-0.002	97	1.92	3.85		6	37.9%	-0.08	0.0023	-0.010
60.00	63.05		11	37.6%	0.90	0.0023	-0.003	98	2.05	3.25		95	36.3%	-0.08	0.0024	-0.010
59.00	62.00		8	36.6%	0.90	0.0024	-0.003	99	2.17	3.40		7	36.3%	-0.08	0.0025	-0.010
58.50	61.40		206	37.5%	0.90	0.0025	-0.003	100	2.31	3.85		965	36.8%	-0.09	0.0026	-0.010
57.50	60.60		17	37.0%	0.90	0.0026	-0.004	101	2.44	4.00		13	36.6%	-0.09	0.0027	-0.011
57.00	60.50		11	38.6%	0.89	0.0026	-0.004	102	2.38	4.15		38	36.2%	-0.09	0.0028	-0.011
56.00	58.80		12	36.6%	0.89	0.0027	-0.004	103	2.54	3.90		23	35.4%	-0.10	0.0028	-0.011
55.00	57.90		25	36.0%	0.88	0.0028	-0.005	104	2.70	4.05		9	35.4%	-0.10	0.0029	-0.011
54.50	57.10		56	36.3%	0.88	0.0029	-0.005	105	2.85	4.20		208	35.3%	-0.10	0.0030	-0.012
53.50	56.30		10	35.8%	0.88	0.0030	-0.006	106	2.80	4.35		6	34.8%	-0.11	0.0031	-0.012
53.00	55.50		45	36.1%	0.87	0.0031	-0.006	107	3.25	4.55		124	35.2%	-0.11	0.0032	-0.012
50.50	53.20		65	35.5%	0.86	0.0033	-0.007	110	3.75	5.15		1,439	35.0%	-0.13	0.0035	-0.013
46.50	49.55		249	34.8%	0.84	0.0038	-0.009	115	4.30	6.25		127	34.2%	-0.15	0.0040	-0.015
43.00	45.75		178	34.2%	0.81	0.0042	-0.011	120	5.80	7.65		991	34.5%	-0.18	0.0045	-0.016
39.50	42.40		247	33.9%	0.79	0.0047	-0.013	125	6.95	9.15		831	34.1%	-0.20	0.0050	-0.018
36.00	39.00		131	33.2%	0.76	0.0051	-0.014	130	8.60	9.50		1,268	32.8%	-0.23	0.0055	-0.019
33.00	35.95		54	33.1%	0.73	0.0055	-0.016	135	10.10	12.55		289	33.7%	-0.27	0.0060	-0.020
30.00	33.85		103	33.5%	0.70	0.0059	-0.017	140	11.55	14.50		17	33.1%	-0.30	0.0065	-0.021
27.50	30.10		28	32.6%	0.67	0.0062	-0.018	145	14.10	16.60		265	33.3%	-0.34	0.0069	-0.022
24.50	27.45	10	145	32.0%	0.63	0.0065	-0.019	150	15.35	19.00		561	32.4%	-0.37	0.0073	-0.023
22.00	25.00		96	31.6%	0.60	0.0068	-0.020	155	18.00	21.50		262	32.4%	-0.41	0.0076	-0.023
21.50	25.05		1	32.0%	0.59	0.0068	-0.020	156	18.15	22.00		1	32.0%	-0.42	0.0077	-0.024
21.00	24.60			31.9%	0.59	0.0069	-0.020	157	19.35	22.50			32.5%	-0.43	0.0078	-0.024
21.00	24.20			32.2%	0.58	0.0069	-0.021	158	19.20	23.00			31.9%	-0.43	0.0078	-0.024
20.50	23.40			31.9%	0.57	0.0069	-0.021	159	19.80	23.50			31.9%	-0.44	0.0079	-0.024
20.00	22.90		161	31.8%	0.57	0.0070	-0.021	160	21.20	24.00		404	32.5%	-0.45	0.0080	-0.024
19.50	22.40			31.6%	0.56	0.0070	-0.021	161	21.85	24.50			32.5%	-0.46	0.0080	-0.024
19.00	22.45			31.9%	0.55	0.0070	-0.021	162	21.75	25.50			32.3%	-0.47	0.0081	-0.024
18.50	22.05			31.8%	0.54	0.0070	-0.021	163	21.50	26.00		1	31.6%	-0.47	0.0081	-0.024
18.00	21.45		5	31.5%	0.54	0.0071	-0.021	164	23.40	26.50			32.5%	-0.48	0.0082	-0.024
18.00	20.95		252	31.7%	0.53	0.0071	-0.021	165	23.70	27.00			32.2%	-0.49	0.0082	-0.024
17.50	20.85			31.8%	0.52	0.0071	-0.021	166	24.35	27.50			32.1%	-0.50	0.0083	-0.024
17.00	20.45			31.7%	0.52	0.0071	-0.021	167	24.90	28.00			32.0%	-0.50	0.0083	-0.024
16.50	20.45			31.9%	0.51	0.0071	-0.021	168	24.65	29.00		12	31.6%	-0.51	0.0084	-0.024
16.00	19.70		1	31.5%	0.50	0.0072	-0.021	169	25.75	29.50		5	31.9%	-0.52	0.0084	-0.024
16.00	19.55		141	31.9%	0.50	0.0072	-0.021	170	26.90	30.00			32.1%	-0.53	0.0084	-0.024
15.50	19.05			31.6%	0.49	0.0072	-0.021	171	27.25	30.50			31.8%	-0.54	0.0085	-0.024
15.00	18.60		1	31.4%	0.49	0.0072	-0.021	172	28.25	31.50			32.4%	-0.54	0.0085	-0.024
15.00	17.80			31.3%	0.48	0.0072	-0.021	173	28.65	32.00			32.0%	-0.55	0.0085	-0.024
14.50	17.45			31.2%	0.47	0.0072	-0.021	174	29.30	32.50			31.9%	-0.56	0.0086	-0.024
14.00	18.05		30	31.7%	0.47	0.0072	-0.021	175	29.30	33.00			31.2%	-0.57	0.0086	-0.024
13.50	17.70			31.6%	0.46	0.0072	-0.021	176	30.00	34.00			31.5%	-0.57	0.0086	-0.024
13.50	16.50			31.1%	0.45	0.0072	-0.021	177	31.75	34.50			32.2%	-0.58	0.0087	-0.024
13.00	17.30			31.8%	0.45	0.0072	-0.021	178	32.05	35.00			31.7%	-0.59	0.0087	-0.024
13.00	15.80			31.1%	0.44	0.0072	-0.021	179	33.05	36.00			32.2%	-0.60	0.0087	-0.024
12.60	15.50		484	31.0%	0.43	0.0071	-0.021	180	33.45	36.50			31.8%	-0.60	0.0087	-0.024
12.30	15.50			31.2%	0.43	0.0071	-0.021	181	34.00	37.50			31.9%	-0.61	0.0088	-0.024
12.00	15.05			31.1%	0.42	0.0071	-0.021	182	34.50	37.25			31.0%	-0.62	0.0088	-0.024
11.50	14.60			30.8%	0.42	0.0071	-0.021	183	35.50	39.00			32.0%	-0.63	0.0088	-0.024
11.50	14.60			31.2%	0.41	0.0071	-0.021	184	36.15	39.50			31.8%	-0.63	0.0088	-0.024
11.25	14.10		6	31.0%	0.40	0.0071	-0.021	185	36.75	40.00		1	31.5%	-0.64	0.0088	-0.024
9.50	12.75		15	30.6%	0.37	0.0069	-0.021	190	40.80	44.00			31.9%	-0.68	0.0089	-0.023
8.70	11.70		10	30.9%	0.35	0.0068	-0.020	195	44.55	48.00			31.9%	-0.72	0.0089	-0.023
7.50	10.40		1,142	30.5%	0.32	0.0066	-0.019	200	48.90	52.00		36	32.1%	-0.75	0.0089	-0.022
7.10	10.10		10	31.5%	0.29	0.0064	-0.019	205	52.95	56.00			31.9%	-0.79	0.0089	-0.021
5.80	8.50		5	30.5%	0.27	0.0061	-0.018	210	56.90	60.50			31.7%	-0.82	0.0090	-0.021
5.10	7.65		1,003	30.4%	0.25	0.0059	-0.017	215	62.05	65.00			32.8%	-0.85	0.0088	-0.019
4.50	7.00		4	30.5%	0.23	0.0056	-0.017	220	66.45	69.10			32.5%	-0.88	0.0088	-0.019
4.00	6.45			30.7%	0.21	0.0054	-0.016	225	71.25	74.00			33.1%	-0.92	0.0088	-0.019
3.55	5.60		1	30.5%	0.19	0.0051	-0.015	230	75.95	79.00			34.0%	-0.94	0.0086	-0.018

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 — Jan 21, 2028

Volatility page →

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

callsputs

XBI option chain State Street SPDR S&P Biotech ETF

Volatility smile — Jan 21, 2028

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