XBI · Option chain

XBI Option Chain

Every listed XBI strike within 25% of spot, across the next 6 expirations — calls and puts side by side with last price, volume and open interest, plus the closing bid and ask.

Open interest and pricing as of the close on 2026-09-03. Recomputed every morning before the open.

Spot

$164.38

Call open interest

101,283

Put open interest

133,696

Put/call (volume)

2.62

6,421 contracts changed hands across these expirations — 1,772 calls against 4,649 puts. Puts outtraded calls 2.62 to one.

Sep 11, 20266 days

call OI 2,138 · put OI 8,209

Calls				Strike	Puts
Last	Bid / Ask	Vol	OI		Last	Bid / Ask	Vol	OI
—	32.45 / 35.05	—	—	130	—	0.00 / 0.12	—	21
28.98	27.95 / 30.15	4	9	135	—	0.00 / 0.16	—	212
—	26.75 / 29.20	—	1	136	—	0.00 / 0.36	—	2
—	25.80 / 28.15	—	—	137	—	0.00 / 0.37	—	2
—	24.50 / 27.40	—	—	138	—	0.00 / 0.65	—	3
—	23.80 / 26.20	—	3	139	—	0.00 / 0.05	—	2
23.97	23.05 / 24.70	4	9	140	—	0.00 / 0.25	—	115
—	21.60 / 24.40	—	—	141	—	0.00 / 0.37	—	3
21.97	20.50 / 22.95	1	—	142	—	0.00 / 0.17	—	3
—	19.80 / 22.15	—	—	143	—	0.00 / 0.18	—	5
—	18.80 / 21.20	—	1	144	—	0.00 / 0.38	—	24
—	17.60 / 21.20	—	6	145	—	0.00 / 0.06	—	59
—	16.85 / 19.20	—	—	146	—	0.00 / 0.29	—	4
—	16.00 / 19.40	—	—	146.5	—	0.00 / 0.31	—	10
—	15.55 / 18.50	—	2	147	—	0.00 / 0.31	—	8
—	15.35 / 17.70	—	—	147.5	—	0.00 / 0.21	—	8
—	14.85 / 17.20	—	2	148	—	0.00 / 0.33	—	9
—	14.35 / 16.70	—	—	148.5	—	0.00 / 0.36	—	31
—	13.90 / 16.25	—	4	149	—	0.00 / 0.22	—	26
—	13.30 / 15.75	—	—	149.5	—	0.00 / 0.40	—	14
—	13.30 / 15.55	—	59	150	0.08	0.00 / 0.10	25	51
—	11.95 / 14.20	—	24	151	—	0.00 / 0.46	—	26
—	11.00 / 14.25	—	2	152	0.14	0.10 / 0.14	500	827
—	10.10 / 13.55	—	—	152.5	—	0.00 / 0.52	—	8
—	10.45 / 12.30	—	15	153	—	0.00 / 0.58	—	599
—	9.50 / 12.00	—	32	154	0.25	0.01 / 0.68	50	1,558
—	8.50 / 11.15	—	83	155	0.32	0.14 / 0.32	318	1,718
—	7.75 / 10.35	—	9	156	0.36	0.15 / 0.57	26	370
—	6.85 / 9.45	—	4	157	0.42	0.18 / 0.54	169	204
—	6.40 / 8.30	—	—	157.5	0.52	0.47 / 0.55	12	61
—	6.05 / 8.40	—	17	158	0.68	0.34 / 0.71	4	100
—	4.40 / 7.65	—	34	159	0.91	0.30 / 1.53	15	909
5.55	4.60 / 7.15	1	94	160	1.20	0.83 / 1.20	363	108
4.35	3.90 / 5.20	2	190	161	1.35	0.93 / 1.90	7	35
—	3.30 / 4.50	—	129	162	1.72	1.22 / 2.14	513	1,002
—	3.00 / 5.00	—	51	162.5	2.20	1.10 / 2.38	6	1
3.05	2.75 / 4.50	8	44	163	2.50	1.30 / 2.63	6	26
2.67	2.05 / 4.40	15	229	164	2.77	1.56 / 3.00	5	4
2.27	1.67 / 2.58	4	157	165	3.00	2.30 / 3.70	25	22
1.59	1.32 / 2.26	3	39	166	3.89	2.48 / 4.55	13	3
1.41	0.83 / 1.85	9	20	167	—	2.98 / 5.85	—	9
1.32	0.89 / 1.88	5	7	167.5	—	3.50 / 6.10	—	1
1.15	0.70 / 1.64	4	207	168	—	3.30 / 5.75	—	1
0.85	0.69 / 1.41	4	106	169	—	4.05 / 6.40	—	1
0.72	0.61 / 0.92	37	85	170	—	4.65 / 7.50	—	1
—	0.28 / 1.00	—	17	171	—	6.20 / 9.05	—	—
—	0.29 / 1.08	—	41	172	—	6.55 / 9.20	—	—
—	0.00 / 1.19	—	12	172.5	—	7.10 / 9.65	—	—
—	0.00 / 0.81	—	11	173	—	8.30 / 10.05	—	—
0.13	0.05 / 0.56	4	217	174	—	8.95 / 11.05	—	—
—	0.06 / 0.48	—	56	175	—	10.25 / 11.95	—	—
—	0.03 / 0.38	—	15	176	—	10.85 / 12.95	—	—
0.14	0.00 / 0.43	5	1	177	—	12.20 / 14.00	—	—
—	0.00 / 0.28	—	15	178	—	12.90 / 15.50	—	—
—	0.00 / 0.26	—	20	179	—	13.25 / 16.60	—	—
—	0.00 / 0.45	—	32	180	—	13.90 / 17.55	—	—
—	0.00 / 0.23	—	10	181	—	14.90 / 18.30	—	—
—	0.00 / 0.24	—	10	182	—	17.25 / 19.55	—	3
—	0.00 / 0.35	—	7	185	—	20.05 / 22.00	—	—
A dash means the contract did not trade — not a price of zero.

Sep 18, 202613 days

call OI 70,042 · put OI 104,473

Calls				Strike	Puts
Last	Bid / Ask	Vol	OI		Last	Bid / Ask	Vol	OI
—	39.40 / 42.25	—	207	124	—	0.00 / 0.10	—	285
38.89	38.40 / 41.25	1	249	125	—	0.00 / 0.03	—	995
38.50	36.50 / 40.15	131	158	126	—	0.00 / 0.28	—	346
—	35.90 / 39.25	—	1,153	127	—	0.00 / 0.03	—	821
—	34.50 / 38.25	—	334	128	—	0.00 / 0.03	—	824
—	34.40 / 37.25	—	443	129	—	0.00 / 0.38	—	48
33.30	32.55 / 35.70	2	1,572	130	—	0.00 / 0.03	—	1,155
—	32.00 / 35.25	—	511	131	—	0.00 / 0.31	—	97
—	30.75 / 34.45	—	184	132	—	0.00 / 0.11	—	324
—	29.85 / 33.00	—	283	133	—	0.00 / 0.08	—	283
—	29.40 / 32.00	—	372	134	—	0.00 / 0.31	—	85
—	28.10 / 31.00	—	649	135	—	0.00 / 0.71	—	1,187
—	26.55 / 30.20	—	108	136	—	0.00 / 0.09	—	68
—	26.45 / 29.30	—	130	137	—	0.00 / 0.36	—	74
—	25.20 / 28.40	—	25	138	0.05	0.00 / 0.49	1	94
—	23.60 / 26.30	—	44	139	—	0.00 / 0.50	—	328
—	23.30 / 25.90	—	3,622	140	0.11	0.00 / 0.61	9	9,548
—	21.60 / 25.20	—	24	141	—	0.00 / 0.57	—	488
—	20.65 / 24.35	—	40	142	0.13	0.00 / 0.45	21	1,185
—	19.90 / 22.35	—	16	143	—	0.00 / 0.29	—	3,624
—	19.25 / 21.20	—	39	144	—	0.00 / 0.49	—	332
—	18.55 / 21.45	—	155	145	0.24	0.04 / 0.56	5	4,870
—	16.75 / 20.45	—	40	146	0.25	0.04 / 0.35	1	1,782
—	15.80 / 19.80	—	48	147	—	0.21 / 0.62	—	4,396
—	14.85 / 18.00	—	132	148	—	0.16 / 0.47	—	1,170
—	13.90 / 16.65	—	57	149	—	0.16 / 0.86	—	208
14.60	13.80 / 15.90	9	3,951	150	0.44	0.19 / 0.90	22	15,816
—	12.85 / 15.85	—	39	151	—	0.23 / 1.07	—	267
12.75	12.15 / 13.60	23	172	152	—	0.35 / 1.09	—	1,038
—	10.30 / 13.95	—	258	153	—	0.27 / 1.34	—	1,268
—	9.70 / 13.05	—	376	154	—	0.52 / 1.34	—	509
10.13	9.40 / 12.25	1	10,809	155	1.12	0.65 / 1.28	149	12,143
—	9.00 / 10.55	—	396	156	1.30	0.80 / 1.60	21	2,168
—	7.70 / 10.00	—	182	157	1.50	0.91 / 1.95	131	2,212
—	6.50 / 9.80	—	312	158	1.60	1.50 / 1.62	117	17,010
—	6.70 / 8.00	—	952	159	—	1.28 / 2.49	—	1,333
6.13	5.90 / 8.00	63	3,196	160	2.28	1.82 / 2.25	241	10,671
5.89	4.90 / 6.65	10	210	161	—	1.70 / 3.95	—	630
4.70	4.30 / 7.00	12	175	162	—	1.93 / 4.75	—	95
5.10	4.30 / 6.75	2	108	162.5	—	2.42 / 4.35	—	13
—	4.05 / 6.05	—	237	163	3.31	2.84 / 3.75	23	1,083
3.74	3.05 / 5.55	66	2,785	164	3.95	2.58 / 4.95	21	170
3.25	2.84 / 4.60	267	4,254	165	4.45	3.70 / 6.15	187	52
3.00	1.81 / 3.95	1	251	166	5.00	4.05 / 6.70	3	234
3.19	1.82 / 4.10	1	444	167	—	4.00 / 6.50	—	257
—	2.07 / 3.75	—	3	167.5	—	4.25 / 6.75	—	9
2.50	1.85 / 2.50	11	744	168	—	4.55 / 6.00	—	140
1.78	1.77 / 2.32	9	145	169	—	5.05 / 8.10	—	170
1.55	1.50 / 2.33	108	10,349	170	7.47	5.90 / 9.05	23	2,168
1.37	0.63 / 2.18	6	161	171	—	7.15 / 8.90	—	23
—	0.71 / 1.89	—	196	172	—	8.05 / 10.60	—	101
1.03	0.59 / 1.69	1	537	173	—	7.90 / 11.40	—	31
0.86	0.65 / 1.43	1	44	174	—	8.90 / 12.10	—	6
0.65	0.54 / 1.17	45	7,819	175	—	9.60 / 13.15	—	155
—	0.33 / 1.26	—	158	176	—	10.60 / 14.00	—	9
—	0.36 / 0.82	—	303	177	—	12.15 / 14.85	—	22
0.43	0.14 / 0.85	5	327	178	—	13.35 / 15.80	—	8
—	0.06 / 0.71	—	102	179	—	14.15 / 16.25	—	1
0.27	0.26 / 0.55	22	4,597	180	—	14.35 / 17.45	—	44
—	0.11 / 0.46	—	100	181	—	16.15 / 18.70	—	—
—	0.00 / 0.40	—	30	182	—	17.00 / 19.70	—	—
—	0.01 / 0.76	—	1	183	—	17.95 / 20.40	—	—
—	0.00 / 0.73	—	21	184	—	18.90 / 21.60	—	—
—	0.00 / 0.14	—	3,079	185	—	20.20 / 22.60	—	—
0.07	0.00 / 0.07	8	1,179	190	—	25.40 / 27.50	—	—
—	0.00 / 0.04	—	103	195	—	30.25 / 32.20	—	—
—	0.00 / 0.03	—	107	200	—	34.90 / 37.55	—	—
—	0.00 / 0.02	—	235	205	—	39.95 / 42.50	—	—
A dash means the contract did not trade — not a price of zero.

Sep 25, 202620 days

call OI 2,818 · put OI 1,042

Calls				Strike	Puts
Last	Bid / Ask	Vol	OI		Last	Bid / Ask	Vol	OI
—	32.60 / 36.65	—	1	130	—	0.00 / 0.12	—	12
—	27.65 / 31.50	—	—	135	—	0.00 / 0.25	—	35
—	23.70 / 27.50	—	—	139	—	0.00 / 0.89	—	41
—	23.00 / 25.35	—	6	140	—	0.00 / 0.93	—	18
—	22.15 / 25.55	—	—	141	—	0.00 / 1.17	—	40
—	20.85 / 24.50	—	—	142	—	0.04 / 0.46	—	2
—	20.00 / 23.75	—	2	143	—	0.11 / 0.65	—	6
—	19.00 / 22.15	—	1	144	—	0.01 / 1.47	—	3
—	18.00 / 21.65	—	2	145	—	0.00 / 0.85	—	29
—	17.40 / 21.05	—	—	146	—	0.20 / 1.02	—	9
—	16.95 / 19.80	—	1	147	—	0.18 / 1.51	—	20
—	15.45 / 17.95	—	1	148	—	0.17 / 2.19	—	7
—	14.75 / 18.45	—	—	148.5	—	0.25 / 2.43	—	8
—	14.30 / 18.00	—	2	149	—	0.45 / 1.15	—	23
—	14.30 / 16.60	—	—	149.5	—	0.48 / 1.44	—	4
—	14.25 / 17.35	—	6	150	0.76	0.41 / 1.09	1	64
—	12.75 / 16.20	—	4	151	—	0.43 / 1.50	—	8
—	12.00 / 15.30	—	—	152	—	0.65 / 1.86	—	25
—	12.15 / 14.95	—	—	152.5	—	0.74 / 1.54	—	5
—	11.60 / 14.45	—	7	153	1.16	0.82 / 1.55	12	8
—	10.90 / 13.70	—	1	154	—	0.85 / 2.03	—	99
10.60	9.20 / 12.80	3	7	155	1.61	1.21 / 2.44	1	137
—	9.25 / 12.10	—	6	156	1.76	1.15 / 2.78	2	18
—	8.60 / 10.20	—	10	157	—	1.68 / 2.45	—	11
—	8.15 / 10.95	—	—	157.5	—	1.51 / 2.91	—	56
—	7.90 / 10.65	—	2	158	—	1.83 / 3.35	—	35
—	7.10 / 9.85	—	8	159	2.52	1.49 / 4.10	2	57
—	6.55 / 9.10	—	842	160	2.90	2.49 / 3.80	2	104
—	5.35 / 8.55	—	3	161	—	2.90 / 4.05	—	75
—	5.25 / 7.95	—	6	162	—	3.15 / 4.20	—	12
—	5.00 / 6.40	—	—	162.5	—	2.71 / 4.40	—	1
—	4.75 / 7.30	—	1	163	—	3.70 / 5.60	—	2
6.05	4.10 / 6.70	3	31	164	—	4.05 / 5.15	—	16
5.00	3.65 / 5.65	2	13	165	—	3.55 / 6.60	—	8
3.70	3.45 / 5.45	1	3	166	—	4.35 / 7.00	—	7
—	2.90 / 4.75	—	1,358	167	—	4.90 / 8.05	—	3
—	2.74 / 4.30	—	29	168	—	5.25 / 7.60	—	1
2.50	1.86 / 4.40	7	5	169	—	5.55 / 9.25	—	—
—	2.05 / 4.35	—	98	170	—	6.05 / 9.90	—	14
2.46	1.50 / 3.90	20	4	171	—	7.20 / 10.60	—	10
—	1.54 / 2.71	—	18	172	—	7.95 / 11.30	—	—
1.85	1.23 / 2.25	1	6	172.5	—	8.65 / 11.70	—	—
—	1.27 / 2.29	—	88	173	—	8.50 / 11.45	—	3
—	1.07 / 2.50	—	99	174	—	9.40 / 11.90	—	5
1.21	0.92 / 2.20	1	18	175	—	10.25 / 13.70	—	—
—	0.63 / 2.01	—	7	176	—	11.10 / 14.50	—	—
—	0.60 / 1.56	—	10	178	—	13.50 / 16.20	—	—
—	0.30 / 1.48	—	13	179	—	13.75 / 17.10	—	—
—	0.29 / 1.18	—	24	180	—	15.55 / 18.00	—	1
—	0.01 / 1.36	—	3	182	—	16.35 / 19.85	—	—
—	0.13 / 0.97	—	1	183	—	17.30 / 20.80	—	—
—	0.00 / 0.79	—	2	184	—	19.00 / 21.75	—	—
—	0.00 / 1.80	—	47	185	—	20.00 / 22.70	—	—
—	0.00 / 0.73	—	20	190	—	23.80 / 27.60	—	—
—	0.00 / 0.92	—	2	195	—	29.10 / 32.60	—	—
A dash means the contract did not trade — not a price of zero.

Oct 02, 202627 days

call OI 670 · put OI 773

Calls				Strike	Puts
Last	Bid / Ask	Vol	OI		Last	Bid / Ask	Vol	OI
—	32.85 / 36.75	—	—	130	—	0.00 / 0.25	—	8
—	27.80 / 30.45	—	—	135	—	0.00 / 0.53	—	15
—	23.65 / 26.85	—	—	140	0.32	0.22 / 0.41	20	74
—	18.30 / 22.00	—	1	145	0.67	0.23 / 1.12	1	108
—	18.00 / 21.10	—	—	146	0.77	0.39 / 1.08	3	5
—	17.30 / 20.20	—	—	147	—	0.42 / 1.41	—	4
—	16.10 / 18.90	—	—	148	—	0.65 / 2.50	—	14
—	14.85 / 18.45	—	—	149	—	0.80 / 1.60	—	7
—	14.30 / 17.95	—	—	149.5	—	0.83 / 1.48	—	1
—	14.65 / 17.60	—	1	150	1.22	0.73 / 1.86	21	134
—	13.90 / 16.75	—	10	151	1.36	1.08 / 1.65	1	8
—	13.00 / 15.85	—	2	152	—	1.17 / 1.62	—	4
—	11.75 / 15.50	—	—	152.5	—	1.02 / 2.66	—	1
—	12.20 / 15.00	—	—	153	—	1.30 / 2.62	—	5
—	11.15 / 14.25	—	—	154	—	1.53 / 3.45	—	10
11.27	10.10 / 13.50	1	3	155	2.25	1.49 / 3.20	10	88
—	9.05 / 12.75	—	8	156	2.38	1.94 / 2.99	1	45
—	9.35 / 10.85	—	—	157	2.75	1.82 / 3.95	2	23
—	8.65 / 10.90	—	—	158	—	2.46 / 3.95	—	38
—	7.45 / 10.50	—	11	159	—	2.52 / 4.60	—	13
—	6.45 / 10.00	—	3	160	3.59	2.86 / 4.05	5	57
—	6.65 / 8.60	—	—	161	—	2.91 / 5.80	—	41
—	6.25 / 8.60	—	—	162	3.75	3.35 / 6.25	2	12
—	5.60 / 7.70	—	—	162.5	—	3.55 / 6.35	—	2
—	5.75 / 8.25	—	6	163	4.99	3.75 / 6.70	1	1
—	5.05 / 7.40	—	26	164	5.40	4.85 / 6.75	3	1
—	4.65 / 7.05	—	239	165	—	4.60 / 7.50	—	2
—	4.20 / 5.45	—	42	166	—	5.05 / 8.05	—	2
—	3.80 / 6.00	—	20	167	—	5.50 / 8.70	—	—
—	3.40 / 4.80	—	1	167.5	—	6.65 / 8.95	—	6
—	3.40 / 5.20	—	3	168	—	5.80 / 9.25	—	10
—	3.15 / 4.80	—	65	169	—	7.20 / 8.75	—	16
3.30	2.64 / 4.45	2	75	170	—	7.75 / 10.50	—	1
—	2.46 / 4.05	—	2	171	—	7.75 / 11.15	—	10
—	2.24 / 3.10	—	1	172	—	8.70 / 11.25	—	7
—	1.78 / 3.30	—	5	173	—	9.25 / 12.55	—	—
2.01	1.48 / 2.72	46	1	174	—	9.80 / 13.35	—	—
—	1.48 / 2.22	—	19	175	—	10.45 / 14.10	—	—
—	0.84 / 3.25	—	1	176	—	12.20 / 14.90	—	—
—	0.89 / 1.81	—	12	178	—	13.30 / 16.55	—	—
1.10	0.72 / 1.39	1	33	180	—	15.80 / 18.25	—	—
—	0.44 / 1.31	—	2	181	—	15.70 / 19.15	—	—
—	0.27 / 1.38	—	1	182	—	16.95 / 20.05	—	—
—	0.42 / 1.23	—	2	183	—	17.40 / 20.95	—	—
—	0.38 / 0.92	—	3	184	—	18.25 / 21.90	—	—
—	0.04 / 0.83	—	65	185	—	19.50 / 22.80	—	—
—	0.00 / 0.50	—	5	190	—	24.40 / 27.60	—	—
—	0.00 / 2.15	—	1	195	—	28.70 / 32.60	—	—
—	0.00 / 0.70	—	1	200	—	34.70 / 37.60	—	—
A dash means the contract did not trade — not a price of zero.

Oct 09, 202634 days

call OI 44 · put OI 297

Calls				Strike	Puts
Last	Bid / Ask	Vol	OI		Last	Bid / Ask	Vol	OI
—	28.60 / 30.70	—	—	135	0.25	0.00 / 0.74	5	248
24.73	23.25 / 26.85	1	—	140	0.54	0.08 / 1.08	1	1
—	19.45 / 22.35	—	1	145	0.95	0.55 / 1.41	1	5
16.00	15.00 / 17.55	1	—	150	1.59	1.19 / 2.19	5	1
—	12.65 / 16.00	—	—	152.5	2.12	1.65 / 2.59	46	—
—	11.95 / 14.30	—	1	154	—	2.02 / 2.81	—	—
—	11.10 / 14.00	—	—	155	2.56	2.15 / 4.00	4	1
—	10.35 / 13.40	—	—	156	2.95	2.52 / 3.55	4	9
—	9.95 / 12.55	—	—	157	3.24	2.70 / 4.40	7	9
—	8.35 / 10.10	—	—	159	—	3.00 / 4.70	—	4
—	7.95 / 10.55	—	17	160	4.25	3.50 / 5.65	47	7
—	6.20 / 8.80	—	1	163	—	4.85 / 7.20	—	4
—	5.35 / 7.75	—	—	165	—	5.65 / 7.05	—	4
—	3.35 / 5.10	—	10	170	—	7.85 / 11.05	—	—
—	2.11 / 4.85	—	—	172	—	9.10 / 11.80	—	4
—	1.91 / 2.99	—	3	175	—	11.20 / 14.50	—	—
—	1.20 / 1.96	—	1	179	—	14.90 / 17.70	—	—
—	0.96 / 2.04	—	10	180	—	15.90 / 18.30	—	—
A dash means the contract did not trade — not a price of zero.

Oct 16, 202641 days

call OI 25,571 · put OI 18,902

Calls				Strike	Puts
Last	Bid / Ask	Vol	OI		Last	Bid / Ask	Vol	OI
—	37.90 / 41.10	—	—	125	—	0.00 / 0.29	—	13
—	33.70 / 35.80	—	3	130	0.18	0.01 / 0.45	5	249
—	28.20 / 31.90	—	1	135	0.39	0.13 / 0.44	9	266
—	24.25 / 26.30	—	5	140	0.66	0.29 / 0.75	26	906
—	22.65 / 26.30	—	—	141	0.74	0.30 / 1.36	2	21
—	21.70 / 25.40	—	—	142	0.88	0.40 / 1.36	627	5
22.38	21.60 / 24.50	42	275	143	0.95	0.50 / 1.38	1	25
—	20.70 / 23.05	—	2	144	1.12	0.66 / 1.55	1	16
—	19.85 / 22.75	—	5	145	—	1.00 / 1.50	—	2,003
—	18.20 / 21.80	—	—	146	1.43	0.93 / 1.98	67	157
—	17.95 / 21.05	—	4	147	1.22	1.11 / 1.82	1	1,529
—	16.45 / 20.15	—	21	148	1.55	1.03 / 2.27	1	71
—	16.55 / 19.65	—	—	149	1.76	1.36 / 1.99	169	3,439
16.38	15.70 / 18.30	42	262	150	2.09	1.49 / 2.29	182	850
—	14.95 / 17.40	—	—	151	2.06	1.67 / 2.56	10	60
—	14.15 / 16.95	—	1	152	2.48	1.74 / 3.35	17	44
—	13.45 / 14.95	—	14	153	2.60	1.95 / 2.90	1	41
—	12.70 / 14.90	—	4	154	2.90	2.23 / 4.05	121	44
—	11.75 / 14.75	—	99	155	3.25	2.63 / 3.60	10	452
—	11.35 / 14.05	—	1	156	3.44	2.83 / 4.25	7	1,209
—	10.65 / 13.20	—	—	157	3.82	2.96 / 5.75	7	389
—	9.65 / 12.70	—	3	158	4.03	3.55 / 4.85	10	322
—	9.40 / 12.05	—	22	159	4.38	3.70 / 5.15	4	720
9.05	8.85 / 11.45	68	246	160	4.93	4.00 / 5.30	76	2,170
—	7.75 / 10.85	—	8	161	5.04	4.15 / 6.65	2	388
8.13	7.45 / 10.05	11	14	162	—	4.20 / 6.45	—	183
7.37	6.55 / 9.30	8	33	163	6.23	5.70 / 7.80	29	222
7.00	6.55 / 8.00	2	29	164	6.75	5.75 / 7.85	2	178
6.92	6.25 / 7.00	16	1,594	165	7.11	5.60 / 8.95	4	2,401
6.08	5.65 / 8.10	11	237	166	—	6.75 / 8.05	—	41
5.87	4.65 / 7.40	146	257	167	—	6.85 / 10.00	—	27
5.42	4.90 / 7.00	147	258	168	—	7.30 / 10.55	—	111
5.00	4.40 / 6.45	2	301	169	—	8.75 / 9.80	—	76
4.45	4.30 / 5.00	61	921	170	—	8.30 / 11.70	—	105
—	3.85 / 4.65	—	258	171	—	8.75 / 12.35	—	1
3.99	3.45 / 5.00	2	2,569	172	—	9.75 / 13.00	—	127
3.55	2.92 / 4.85	4	251	173	—	10.20 / 13.30	—	16
3.12	3.00 / 4.10	6	260	174	13.00	11.30 / 14.35	12	1
2.95	2.72 / 3.50	24	517	175	13.38	11.65 / 14.00	4	1
2.89	2.36 / 3.75	18	319	176	—	13.35 / 15.75	—	—
2.62	2.09 / 3.35	9	310	177	—	13.65 / 16.60	—	—
2.33	1.87 / 3.10	49	492	178	—	14.75 / 16.60	—	1
2.13	1.67 / 2.88	27	25	179	—	14.95 / 17.15	—	2
1.81	1.50 / 2.16	12	476	180	—	15.35 / 18.95	—	—
—	1.41 / 2.11	—	16	181	—	16.30 / 19.35	—	—
—	1.18 / 2.00	—	263	182	—	17.20 / 20.65	—	—
—	1.08 / 1.87	—	18	183	—	18.10 / 21.50	—	—
—	0.95 / 1.75	—	45	184	—	18.90 / 21.95	—	—
1.15	0.79 / 1.70	7	6,249	185	—	20.15 / 23.30	—	—
0.72	0.27 / 1.33	27	42	190	—	24.30 / 27.85	—	20
0.49	0.36 / 0.55	15	48	195	—	29.30 / 32.65	—	—
0.25	0.12 / 0.28	11	8,776	200	—	33.80 / 37.60	—	—
—	0.00 / 0.53	—	17	205	—	39.05 / 42.65	—	—
A dash means the contract did not trade — not a price of zero.

How to read this chain

Calls sit on the left, puts on the right, and every row is one strike. The highlighted row is the strike closest to spot. Open interest is the number of contracts still outstanding at that strike — positions that exist right now. Volume is how many traded on the session shown. Open interest builds slowly and marks where positioning has accumulated; volume spikes and marks where attention went today.

Strikes with no open interest and no trades on either side are omitted, and the ladder is trimmed to within 25% of spot — the far wings are almost entirely empty and say nothing about positioning.

More on XBI

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Educational, not investment advice. Options involve risk. Open interest is reported with a one-session lag by OCC, so these levels describe positioning as of the last settled session, not live intraday flow.