XBI option chain State Street SPDR S&P Biotech ETF

Expiration Cboe delayed options data · as of 06:44 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 ±7.0% (137.54–158.24) · ATM IV 33.5% · P/C open interest 6.43

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
60.95	64.95			91.3%	1.00	0.0002	0.000	85	0	0.7600			112.8%	-0.00	0.0002	-0.003
56.20	59.35				1.00	0.0003	0.000	90	0	0.7700			102.8%	-0.00	0.0003	-0.004
51.00	54.80			63.2%	0.99	0.0005	0.000	95	0	0.5800			88.6%	-0.00	0.0005	-0.006
46.00	49.90			63.1%	0.99	0.0008	-0.001	100	0	0.7500			83.3%	-0.01	0.0008	-0.009
41.05	45.15			66.3%	0.99	0.0012	-0.005	105	0	0.4000			66.7%	-0.01	0.0012	-0.012
36.05	39.60				0.98	0.0018	-0.009	110	0	0.4200			59.3%	-0.02	0.0018	-0.015
31.30	35.20			55.4%	0.98	0.0028	-0.015	115	0	0.2300		13	46.9%	-0.02	0.0028	-0.020
26.85	30.00	60	2	51.7%	0.96	0.0042	-0.021	120	0	0.3700		5	43.2%	-0.03	0.0042	-0.025
21.45	24.35				0.95	0.0066	-0.029	125	0	0.5700	1	11	39.1%	-0.05	0.0066	-0.032
16.85	20.60			39.8%	0.91	0.0107	-0.042	130	0.0900	0.8600	34	22	35.5%	-0.09	0.0108	-0.045
12.85	15.10		13	33.9%	0.84	0.0169	-0.063	135	0.9500	1.48	1	46	36.7%	-0.15	0.0169	-0.066
11.85	14.55			34.4%	0.83	0.0182	-0.068	136	0.8400	1.55	3	1	34.5%	-0.17	0.0183	-0.070
11.20	14.35			38.0%	0.81	0.0196	-0.073	137	1.20	1.82	32	24	35.6%	-0.19	0.0197	-0.075
10.95	12.65		4	36.0%	0.79	0.0209	-0.078	138	1.34	2.63		7	37.8%	-0.21	0.0210	-0.080
9.45	12.85			36.8%	0.76	0.0222	-0.083	139	1.61	2.48		10	36.1%	-0.24	0.0223	-0.084
9.70	11.10			36.5%	0.74	0.0235	-0.087	140	1.84	2.57	1	604	35.1%	-0.26	0.0236	-0.088
7.95	11.70			37.4%	0.71	0.0247	-0.091	141	2.09	2.96		8	35.3%	-0.28	0.0248	-0.092
8.35	9.75			36.5%	0.69	0.0258	-0.095	142	2.23	3.20	1	10	34.3%	-0.31	0.0259	-0.096
7.80	8.95			36.2%	0.66	0.0268	-0.098	143	2.61	3.45		355	34.0%	-0.34	0.0269	-0.099
7.05	8.35			35.8%	0.64	0.0276	-0.100	144	2.95	4.45		33	36.0%	-0.36	0.0278	-0.101
6.15	7.75	1	1	34.6%	0.61	0.0284	-0.102	145	3.30	4.85	1	19	35.7%	-0.39	0.0286	-0.103
4.55	7.20	2	1	31.2%	0.58	0.0291	-0.104	146	4.00	4.35	1	4	33.4%	-0.42	0.0292	-0.105
5.05	6.45	2	4	33.9%	0.55	0.0296	-0.105	147	4.30	4.95		3	33.3%	-0.45	0.0297	-0.105
3.90	5.90	3	15	31.6%	0.52	0.0299	-0.105	148	4.65	6.25		14	35.4%	-0.48	0.0301	-0.106
3.95	5.70	3		32.6%	0.50	0.0300	-0.105	148.5	4.85	6.80		1	36.1%	-0.50	0.0302	-0.105
3.65	5.40			32.2%	0.49	0.0301	-0.105	149	4.40	7.15		16	34.1%	-0.51	0.0303	-0.105
3.40	5.15			32.0%	0.47	0.0301	-0.104	149.5	4.85	7.50			34.9%	-0.53	0.0303	-0.105
3.95	4.85		10	34.2%	0.46	0.0301	-0.103	150	5.00	7.75	1	6	34.3%	-0.54	0.0303	-0.104
2.75	4.60		1	32.1%	0.43	0.0300	-0.102	151	6.10	8.35		33	36.0%	-0.57	0.0302	-0.102
2.49	4.30			32.8%	0.40	0.0296	-0.100	152	6.00	8.75		3	32.9%	-0.60	0.0299	-0.100
2.60	3.80		8	32.7%	0.38	0.0294	-0.098	152.5	7.00	9.00			35.0%	-0.62	0.0297	-0.098
2.01	4.35	5	2	33.7%	0.37	0.0292	-0.097	153	7.25	9.30		376	34.6%	-0.63	0.0294	-0.097
2.29	3.20	21		32.9%	0.34	0.0285	-0.093	154	7.90	9.90		3	34.3%	-0.66	0.0288	-0.093
1.76	2.85	4	8	31.9%	0.31	0.0277	-0.090	155	8.55	10.65	10	15	34.3%	-0.69	0.0280	-0.090
1.52	2.76	1		32.6%	0.29	0.0267	-0.086	156	9.25	11.15	2		33.4%	-0.72	0.0271	-0.085
1.21	2.56		4	32.5%	0.26	0.0256	-0.081	157	9.95	12.35		5	34.9%	-0.74	0.0260	-0.081
1.27	2.33	1	6	32.7%	0.25	0.0250	-0.079	157.5	10.40	12.60			34.7%	-0.76	0.0254	-0.078
1.28	2.15		15	32.9%	0.23	0.0244	-0.076	158	10.70	13.05			34.6%	-0.77	0.0248	-0.076
1.05	2.12	1	15	33.6%	0.21	0.0231	-0.071	159	10.80	13.70	1	30	30.9%	-0.79	0.0235	-0.071
0.8700	1.60	5	18	31.1%	0.19	0.0217	-0.067	160	11.50	14.80			31.5%	-0.81	0.0222	-0.066
0.7000	1.25		5	31.0%	0.17	0.0203	-0.062	161	12.50	15.40			31.0%	-0.83	0.0208	-0.061
0.4900	1.32		3	31.7%	0.15	0.0189	-0.057	162	14.00	16.25		1	34.4%	-0.85	0.0194	-0.056
0.4300	1.27			31.8%	0.14	0.0182	-0.055	162.5	14.40	16.40			32.7%	-0.86	0.0187	-0.054
0.4500	1.20	1	2	32.2%	0.13	0.0174	-0.052	163	13.85	17.60		15	31.2%	-0.87	0.0180	-0.051
0.3200	1.09		7	32.1%	0.12	0.0160	-0.048	164	15.80	18.00		4	34.8%	-0.89	0.0166	-0.047
0.0600	1.22		18	32.5%	0.10	0.0147	-0.044	165	16.50	19.00			34.3%	-0.90	0.0152	-0.043
0.0300	1.12		13	32.9%	0.09	0.0134	-0.040	166	16.80	20.15			31.5%	-0.91	0.0139	-0.039
0.0100	0.8800		4	32.0%	0.08	0.0122	-0.036	167	18.50	21.05			37.3%	-0.93	0.0128	-0.035
0	1.21			35.2%	0.08	0.0116	-0.035	167.5	18.35	21.70			34.2%	-0.93	0.0122	-0.034
0.1200	0.6000		23	31.7%	0.07	0.0110	-0.033	168	18.65	22.20			33.0%	-0.94	0.0116	-0.032
0.0300	0.5000	2	2	30.8%	0.06	0.0100	-0.030	169	19.60	23.15			33.1%	-0.94	0.0106	-0.029
0.0200	0.6600		24	33.5%	0.06	0.0090	-0.028	170	20.80	24.05			35.4%	-0.95	0.0097	-0.026
0	0.6300			34.1%	0.05	0.0082	-0.025	171	21.65	25.05			34.8%	-0.96	0.0088	-0.024
0.0300	0.3800		1	32.3%	0.04	0.0074	-0.023	172	22.30	26.05			30.0%	-0.96	0.0081	-0.022
0	0.5600			34.8%	0.04	0.0070	-0.022	172.5	23.40	26.25			35.9%	-0.97	0.0077	-0.021
0.0200	0.5400		21	35.3%	0.04	0.0067	-0.021	173	23.25	27.20			33.3%	-0.97	0.0074	-0.020
0	0.5000		3	36.6%	0.03	0.0056	-0.018	175	25.25	29.20			35.3%	-0.98	0.0063	-0.017
0	0.4300		3	40.4%	0.02	0.0037	-0.014	180	30.70	34.20			46.9%	-0.99	0.0044	-0.010
0	0.4000		4	44.4%	0.02	0.0026	-0.011	185	35.85	39.15			53.2%	-1.00	0.0024	-0.008
0	0.3900			48.5%	0.01	0.0019	-0.009	190	40.15	44.20			46.2%	-1.00	0.0011	-0.009
0	0.5800		4	56.1%	0.01	0.0014	-0.007	195	45.25	49.25			54.8%	-1.00	0.0003	-0.009
0	0.5700			60.0%	0.01	0.0011	-0.006	200	50.35	54.20			60.1%	-1.00	0.0000	-0.009

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 13, 2026

Volatility page →

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

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XBI option chain State Street SPDR S&P Biotech ETF

Volatility smile — Nov 13, 2026

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