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 ±8.4% (135.46–160.31) · ATM IV 32.3% · P/C open interest 2.20

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
61.65	65.10			97.5%	1.00	0.0003	0.000	85	0	1.35			100.6%	-0.00	0.0002	-0.002
56.05	60.10			77.3%	1.00	0.0004	0.000	90	0	1.15			88.8%	-0.00	0.0003	-0.003
51.10	55.15			71.2%	0.99	0.0006	0.000	95	0	0.9500			77.6%	-0.00	0.0005	-0.004
46.60	50.20		10	71.8%	0.99	0.0009	-0.002	100	0	0.7500			66.9%	-0.01	0.0008	-0.006
41.25	45.20			59.0%	0.99	0.0013	-0.004	105	0	1.35			67.2%	-0.01	0.0013	-0.009
36.45	40.25			54.8%	0.98	0.0021	-0.008	110	0	0.9500			55.4%	-0.02	0.0020	-0.012
31.50	34.75			41.3%	0.97	0.0032	-0.013	115	0.1000	2.27			60.1%	-0.03	0.0032	-0.016
26.65	30.25			42.2%	0.95	0.0049	-0.019	120	0	2.41			52.5%	-0.04	0.0050	-0.022
22.40	25.20			40.3%	0.93	0.0076	-0.028	125	0	1.00	1	9	35.5%	-0.07	0.0076	-0.031
18.15	20.40			37.8%	0.88	0.0116	-0.041	130	0.6200	1.31	2	5	34.6%	-0.12	0.0116	-0.043
13.65	16.20			35.0%	0.81	0.0163	-0.056	135	1.34	2.10	2	3	33.6%	-0.19	0.0164	-0.058
13.15	15.35			35.6%	0.79	0.0172	-0.059	136	1.43	3.20			36.2%	-0.21	0.0173	-0.061
12.25	14.95			36.2%	0.77	0.0182	-0.062	137	1.55	3.20		3	34.8%	-0.23	0.0183	-0.064
11.50	14.20			35.9%	0.75	0.0191	-0.065	138	1.98	3.85			36.5%	-0.25	0.0192	-0.066
11.05	13.45			36.5%	0.73	0.0200	-0.068	139	2.17	4.05		8	35.9%	-0.27	0.0201	-0.069
10.00	12.70			35.1%	0.71	0.0208	-0.070	140	2.63	3.70		9	34.2%	-0.29	0.0209	-0.071
9.30	11.95			34.7%	0.69	0.0216	-0.072	141	2.85	3.95	11	6	33.6%	-0.31	0.0217	-0.073
9.15	11.30			36.0%	0.67	0.0223	-0.074	142	3.05	4.05	10	2	32.4%	-0.33	0.0224	-0.075
8.15	10.15			33.4%	0.64	0.0230	-0.076	143	3.20	4.70	4	5	32.5%	-0.35	0.0231	-0.077
7.45	9.40		14	32.7%	0.62	0.0236	-0.078	144	3.45	4.80	4	12	31.3%	-0.38	0.0237	-0.079
6.85	8.80			32.5%	0.60	0.0241	-0.079	145	4.25	5.20		17	32.2%	-0.40	0.0242	-0.080
6.10	8.90			33.6%	0.57	0.0245	-0.080	146	4.55	5.75		8	32.0%	-0.43	0.0247	-0.080
5.80	8.70			33.7%	0.56	0.0247	-0.080	146.5	4.65	6.85			34.0%	-0.44	0.0248	-0.081
5.55	7.70			31.8%	0.55	0.0248	-0.080	147	4.95	7.10		21	34.1%	-0.45	0.0250	-0.081
5.30	7.30		1	31.4%	0.53	0.0249	-0.080	147.5	5.10	7.35			33.9%	-0.46	0.0251	-0.081
5.00	7.45			32.2%	0.52	0.0250	-0.080	148	4.85	7.55		9	32.4%	-0.48	0.0253	-0.081
5.20	6.75			32.2%	0.51	0.0251	-0.080	148.5	5.65	7.45			32.8%	-0.49	0.0253	-0.081
5.55	6.75	5		34.3%	0.50	0.0252	-0.080	149	5.35	8.05		35	32.2%	-0.50	0.0254	-0.081
4.45	6.55			32.0%	0.48	0.0252	-0.080	149.5	6.10	8.30			33.4%	-0.52	0.0254	-0.081
4.65	6.00	1		32.3%	0.47	0.0252	-0.080	150	6.35	8.55		14	33.2%	-0.53	0.0255	-0.080
3.65	5.95			31.7%	0.45	0.0252	-0.079	151	6.70	9.10			32.5%	-0.55	0.0254	-0.080
3.35	5.55		8	31.9%	0.42	0.0250	-0.078	152	7.40	9.60			32.5%	-0.58	0.0253	-0.079
3.00	5.20			31.0%	0.41	0.0248	-0.077	152.5	7.70	9.90			32.5%	-0.59	0.0251	-0.078
3.50	4.70	1		32.0%	0.40	0.0247	-0.077	153	7.80	10.15	1	8	31.7%	-0.60	0.0250	-0.077
3.35	4.35	3	8	32.5%	0.37	0.0243	-0.075	154	8.40	10.75		36	31.4%	-0.63	0.0247	-0.075
3.00	4.90	8	11	34.9%	0.35	0.0239	-0.073	155	8.65	11.40		3	30.1%	-0.65	0.0242	-0.073
2.71	4.35	3		34.3%	0.33	0.0233	-0.071	156	9.55	12.10			30.6%	-0.67	0.0237	-0.071
1.73	4.05	2		32.2%	0.30	0.0227	-0.069	157	10.45	12.80			31.1%	-0.70	0.0231	-0.069
1.32	3.95			31.5%	0.29	0.0224	-0.067	157.5	10.95	13.15			31.4%	-0.71	0.0228	-0.068
2.19	3.35	5	2	33.1%	0.28	0.0220	-0.066	158	11.25	13.55			31.2%	-0.72	0.0224	-0.067
1.58	3.35	1		32.7%	0.26	0.0213	-0.064	159	11.95	13.80			29.3%	-0.74	0.0217	-0.064
1.67	2.46	2	7	31.6%	0.24	0.0204	-0.061	160	12.70	15.10			30.9%	-0.76	0.0209	-0.061
1.33	2.60			32.3%	0.22	0.0196	-0.058	161	13.55	15.75			30.5%	-0.78	0.0201	-0.058
0.7200	2.65		1	31.6%	0.21	0.0187	-0.055	162	13.70	16.80			28.8%	-0.80	0.0192	-0.055
0.8900	3.40		1	35.5%	0.20	0.0182	-0.054	162.5	13.75	17.60			28.8%	-0.81	0.0188	-0.054
0.3800	2.50			31.0%	0.19	0.0178	-0.052	163	14.05	18.00			28.1%	-0.82	0.0183	-0.052
0.8200	1.69		2	30.8%	0.17	0.0168	-0.049	164	15.60	18.45			29.3%	-0.83	0.0174	-0.049
0.9100	1.50	2	15	31.5%	0.16	0.0159	-0.046	165	17.00	19.25			31.3%	-0.85	0.0165	-0.046
0.1800	1.30		4	29.8%	0.13	0.0136	-0.039	167.5	19.25	21.45			31.4%	-0.88	0.0142	-0.039
0.2300	1.16		13	31.8%	0.10	0.0114	-0.033	170	20.90	24.10			29.6%	-0.91	0.0121	-0.033
0	0.7500			31.7%	0.06	0.0078	-0.023	175	26.05	29.05			35.0%	-0.95	0.0086	-0.023
0	1.15			39.2%	0.04	0.0052	-0.016	180	30.10	34.05				-0.98	0.0063	-0.015
0	2.20			50.4%	0.02	0.0034	-0.011	185	35.10	39.25				-0.99	0.0035	-0.011
0	0.7500			43.5%	0.02	0.0024	-0.008	190	40.10	44.20				-1.00	0.0011	-0.006
0	2.14			58.4%	0.01	0.0017	-0.006	195	45.10	49.20				-1.00	0.0000	-0.006
0	2.13			62.3%	0.01	0.0012	-0.005	200	50.10	54.25				-1.00	0.0000	-0.006

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 27, 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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XBI option chain State Street SPDR S&P Biotech ETF

Volatility smile — Nov 27, 2026

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