XBI option chain State Street SPDR S&P Biotech ETF

Expiration Cboe delayed options data · as of 09:39 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 ±15.5% (139.31–190.41) · ATM IV 32.0% · P/C open interest 1.40

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
78.50	82.65		96		0.99	0.0004	0.000	85	0	1.42		3,386	63.3%	-0.01	0.0004	-0.004
76.50	80.70		130		0.99	0.0005	0.000	87	0	0.8300		949	55.9%	-0.01	0.0005	-0.004
76.00	79.70		9	43.8%	0.99	0.0005	0.000	88	0	1.14		1,620	58.1%	-0.01	0.0005	-0.004
75.00	78.75		67	43.6%	0.98	0.0005	0.000	89	0	0.9500		237	55.4%	-0.01	0.0005	-0.004
74.05	77.75		270	41.9%	0.98	0.0006	0.000	90	0	1.25		3,466	57.2%	-0.01	0.0006	-0.004
73.00	76.75		12	40.1%	0.98	0.0006	0.000	91	0	1.20		447	55.9%	-0.01	0.0006	-0.004
72.10	75.80		63	40.1%	0.98	0.0006	0.000	92	0	1.08		95	54.0%	-0.01	0.0006	-0.004
71.10	74.80		274	38.2%	0.98	0.0006	0.000	93	0.0100	1.91		60	59.4%	-0.01	0.0006	-0.005
70.00	73.85		15	38.2%	0.98	0.0007	0.000	94	0	1.29		76	54.0%	-0.01	0.0007	-0.005
69.00	72.85		53	36.2%	0.98	0.0007	0.000	95	0	0.5300		638	45.7%	-0.01	0.0007	-0.005
68.20	71.90		97	42.3%	0.98	0.0008	0.000	96	0	1.11		82	50.9%	-0.01	0.0008	-0.005
67.00	70.95		28	36.2%	0.98	0.0008	0.000	97	0	1.52		10	53.1%	-0.01	0.0008	-0.005
66.00	69.95		23	34.3%	0.98	0.0008	0.000	98	0	0.7300		35	45.7%	-0.01	0.0008	-0.005
65.00	69.00		93	43.0%	0.98	0.0009	0.000	99	0	0.4800		5	42.1%	-0.01	0.0009	-0.006
64.30	68.00		498	37.0%	0.98	0.0009	0.000	100	0	0.4600	2	2,011	41.1%	-0.02	0.0009	-0.006
63.65	66.95		103	42.5%	0.98	0.0010	0.000	101	0	0.7800		19	44.0%	-0.02	0.0010	-0.006
62.65	65.85		16	40.2%	0.98	0.0010	0.000	102	0	0.8000		29	43.4%	-0.02	0.0011	-0.006
61.50	65.00		14	39.1%	0.97	0.0011	0.000	103	0	1.23		28	46.1%	-0.02	0.0011	-0.007
61.05	64.05		6	43.9%	0.97	0.0012	0.000	104	0	1.80		121	48.9%	-0.02	0.0012	-0.007
59.50	63.05		123	37.5%	0.97	0.0012	0.000	105	0	0.8200		381	41.3%	-0.02	0.0013	-0.007
58.80	62.10		4	40.2%	0.97	0.0013	0.000	106	0	1.11		428	42.9%	-0.02	0.0013	-0.007
57.85	61.10		12	39.6%	0.97	0.0014	0.000	107	0	1.14		22	42.3%	-0.02	0.0014	-0.008
56.70	60.00		21	36.0%	0.97	0.0015	0.000	108	0	1.97		128	46.5%	-0.03	0.0015	-0.008
56.00	59.15		106	39.2%	0.97	0.0016	0.000	109	0	1.24		44	41.5%	-0.03	0.0016	-0.009
55.05	58.30		141	39.7%	0.97	0.0017	0.000	110	0.0400	1.10		75	40.1%	-0.03	0.0017	-0.009
53.50	57.35		8	34.6%	0.96	0.0018	0.000	111	0	1.35		24	40.7%	-0.03	0.0018	-0.009
52.60	56.20		16	33.0%	0.96	0.0019	0.000	112	0.2500	1.74		30	43.4%	-0.03	0.0019	-0.010
52.00	55.00		17	34.0%	0.96	0.0020	0.000	113	0	1.88		24	42.1%	-0.03	0.0020	-0.010
51.00	54.45		15	36.6%	0.96	0.0021	0.000	114	0.1700	1.24		14	38.8%	-0.04	0.0021	-0.011
50.30	53.20	18	773	36.0%	0.95	0.0022	0.000	115	0.2000	1.05	4	216	37.1%	-0.04	0.0023	-0.011
49.30	52.55	18	48	37.2%	0.95	0.0024	0.000	116	0.0500	1.34	4	667	37.2%	-0.04	0.0024	-0.012
48.40	51.60		39	37.1%	0.95	0.0025	0.000	117	0.1000	1.12		325	35.5%	-0.04	0.0025	-0.013
47.25	50.30		59	33.6%	0.95	0.0027	0.000	118	0.1100	2.65		11	41.8%	-0.05	0.0027	-0.013
46.55	49.75		5	36.8%	0.94	0.0028	-0.001	119	0.4000	1.36		81	36.9%	-0.05	0.0028	-0.014
45.65	48.85		952	36.8%	0.94	0.0030	-0.001	120	0.4000	1.55	1	2,424	37.0%	-0.05	0.0030	-0.014
44.50	47.95		59	35.7%	0.94	0.0032	-0.002	121	0.5000	1.69		69	37.2%	-0.06	0.0032	-0.015
43.80	47.05		136	36.5%	0.93	0.0033	-0.003	122	0.3700	2.37		157	38.6%	-0.06	0.0034	-0.016
42.65	46.15		75	35.4%	0.93	0.0035	-0.004	123	0.6100	3.10		437	41.0%	-0.07	0.0035	-0.017
41.95	45.25		119	36.0%	0.92	0.0037	-0.005	124	0.7200	1.57		1,703	35.4%	-0.07	0.0037	-0.017
41.10	44.15		258	35.3%	0.92	0.0039	-0.006	125	0.8200	2.00	1	3,177	36.5%	-0.07	0.0039	-0.018
40.10	43.45		157	35.5%	0.91	0.0041	-0.008	126	0.8800	1.75		49	35.1%	-0.08	0.0041	-0.019
39.30	42.55		127	35.6%	0.91	0.0043	-0.009	127	0.7800	3.00		35	37.9%	-0.08	0.0043	-0.020
38.40	40.90		55	32.9%	0.90	0.0045	-0.010	128	0.9900	2.37		1,027	35.9%	-0.09	0.0046	-0.021
37.00	40.80		6	33.7%	0.90	0.0047	-0.011	129	1.18	2.29		88	35.4%	-0.09	0.0048	-0.021
36.70	39.90		1,462	35.2%	0.89	0.0049	-0.012	130	1.34	2.35	1	1,068	35.2%	-0.10	0.0050	-0.022
35.90	39.00		60	35.1%	0.89	0.0052	-0.013	131	1.05	2.56		8	34.2%	-0.11	0.0052	-0.023
34.90	38.25		206	34.9%	0.88	0.0054	-0.014	132	1.50	3.40		30	36.8%	-0.11	0.0054	-0.024
34.00	37.35		88	34.5%	0.88	0.0056	-0.015	133	1.48	3.40		17	35.9%	-0.12	0.0057	-0.025
33.25	36.40		28	34.4%	0.87	0.0059	-0.017	134	1.73	3.65		243	36.2%	-0.13	0.0059	-0.026
32.45	35.65		223	34.5%	0.86	0.0061	-0.018	135	1.68	3.20		132	34.2%	-0.13	0.0062	-0.027
31.60	34.75		10	34.2%	0.86	0.0063	-0.019	136	1.89	3.90		5	35.4%	-0.14	0.0064	-0.028
30.80	33.90		33	34.0%	0.85	0.0066	-0.020	137	2.07	3.55		25	34.2%	-0.15	0.0067	-0.029
29.90	33.25		61	34.1%	0.84	0.0068	-0.021	138	2.20	3.95		291	34.4%	-0.15	0.0069	-0.029
29.15	32.45		88	34.1%	0.83	0.0071	-0.022	139	2.49	3.75		504	33.8%	-0.16	0.0072	-0.030
28.25	31.30	1	1,021	33.0%	0.83	0.0073	-0.023	140	2.75	4.05	1	2,062	34.0%	-0.17	0.0074	-0.031
27.50	30.80		31	33.6%	0.82	0.0076	-0.024	141	2.77	4.30		135	33.7%	-0.18	0.0077	-0.032
26.70	30.05		97	33.5%	0.81	0.0078	-0.025	142	2.85	4.95		131	34.1%	-0.19	0.0079	-0.033
25.90	29.40		53	33.5%	0.80	0.0081	-0.026	143	3.40	5.00		28	34.3%	-0.20	0.0082	-0.034
25.30	27.95		109	32.5%	0.79	0.0083	-0.028	144	3.30	5.10		90	33.3%	-0.20	0.0084	-0.034
24.55	27.35		219	32.6%	0.78	0.0086	-0.029	145	3.85	5.45		115	34.0%	-0.21	0.0087	-0.035
23.80	26.80		15	32.9%	0.77	0.0088	-0.030	146	3.75	5.80		14	33.4%	-0.22	0.0090	-0.036
22.95	26.30		878	32.9%	0.76	0.0091	-0.030	147	4.35	5.75		18	33.4%	-0.23	0.0092	-0.037
22.25	25.55		13	32.8%	0.75	0.0093	-0.031	148	4.10	6.15		31	32.6%	-0.24	0.0095	-0.037
21.70	24.85		18	32.9%	0.74	0.0095	-0.032	149	4.55	6.40		33	32.8%	-0.25	0.0097	-0.038
21.50	23.50	93	3,810	32.6%	0.73	0.0098	-0.033	150	4.90	6.65	1	4,023	32.7%	-0.26	0.0100	-0.039
17.90	20.20	6	1,156	31.8%	0.68	0.0108	-0.037	155	6.10	8.50		3,137	32.0%	-0.32	0.0111	-0.042
15.05	18.00	3	1,147	32.7%	0.62	0.0117	-0.040	160	8.10	10.60		775	31.9%	-0.38	0.0120	-0.043
12.05	15.35	3	1,730	31.9%	0.56	0.0123	-0.042	165	11.05	12.65	20	104	32.1%	-0.44	0.0127	-0.044
9.90	11.75		771	30.3%	0.50	0.0125	-0.043	170	12.60	15.80	24	130	31.1%	-0.50	0.0130	-0.044
8.25	10.85		41	31.1%	0.45	0.0125	-0.043	174	14.90	17.85		20	30.6%	-0.55	0.0130	-0.043
7.90	10.50	15	2,414	31.2%	0.44	0.0124	-0.043	175	16.25	18.70		49	31.8%	-0.57	0.0130	-0.043
7.45	9.40		9	30.1%	0.43	0.0124	-0.043	176	17.20	19.35			32.2%	-0.58	0.0130	-0.043
6.90	10.30			31.4%	0.42	0.0123	-0.043	177	16.90	20.10		1	31.1%	-0.59	0.0129	-0.042
6.80	9.90		3	31.6%	0.40	0.0122	-0.043	178	17.55	21.00			31.4%	-0.60	0.0129	-0.042
6.55	8.90			30.9%	0.39	0.0122	-0.042	179	18.20	21.75			31.5%	-0.62	0.0128	-0.042
6.00	7.90		2,605	29.6%	0.38	0.0121	-0.042	180	19.60	22.10		254	32.0%	-0.63	0.0127	-0.041
6.15	8.45			31.4%	0.37	0.0120	-0.042	181	19.60	23.05			31.4%	-0.64	0.0127	-0.040
5.30	8.55			31.1%	0.36	0.0118	-0.041	182	20.40	23.80			31.6%	-0.65	0.0126	-0.040
5.25	8.25		5	31.4%	0.35	0.0117	-0.041	183	21.00	24.20		16	30.9%	-0.66	0.0125	-0.039
5.15	7.20			30.6%	0.34	0.0116	-0.041	184	22.55	24.70		1	31.8%	-0.67	0.0124	-0.039
5.00	7.25	2	2,101	31.2%	0.33	0.0114	-0.040	185	22.45	25.65		1	30.9%	-0.68	0.0122	-0.038
3.65	5.45		4,541	30.1%	0.28	0.0107	-0.037	190	26.40	29.25			30.7%	-0.74	0.0116	-0.034
2.73	5.05	6	1,945	31.0%	0.24	0.0098	-0.034	195	30.30	33.85		1,930	31.3%	-0.78	0.0108	-0.030
2.36	4.30	545	3,212	31.9%	0.20	0.0088	-0.031	200	34.85	38.20		1,760	32.1%	-0.83	0.0099	-0.026
1.58	3.15		3,947	30.8%	0.16	0.0078	-0.028	205	39.50	42.15			31.8%	-0.87	0.0090	-0.022
1.15	3.35		51	32.6%	0.14	0.0069	-0.025	210	44.30	46.80			32.8%	-0.90	0.0081	-0.018
0.9500	2.69		8	32.8%	0.11	0.0060	-0.022	215	49.25	51.50			34.1%	-0.93	0.0073	-0.013
0.6300	2.01		1,475	32.1%	0.09	0.0052	-0.019	220	53.25	56.65			33.2%	-0.95	0.0070	-0.009
0.5600	1.91		162	33.5%	0.08	0.0045	-0.017	225	58.15	61.55			34.3%	-0.97	0.0062	-0.009
0.2500	2.34		117	35.7%	0.07	0.0039	-0.015	230	62.60	66.80			33.6%	-0.99	0.0046	-0.011
0.3700	2.11		38	37.0%	0.06	0.0034	-0.013	235	67.60	71.80			35.3%	-0.99	0.0019	-0.022
0.0100	1.83		14	36.4%	0.05	0.0029	-0.012	240	72.60	76.75			37.1%	-1.00	0.0005	-0.027
0	1.47		13	36.3%	0.04	0.0026	-0.011	245	77.65	81.80			39.4%	-1.00	0.0000	-0.029

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 15, 2027

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 — Jan 15, 2027

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