BNTX Options Open Interest by Strike, Oct 21 Settlement

BNTX open interest settled 2026-10-21 vs 2026-10-20.

Source: SquawkFlow's archive of settled open interest. Counts are contracts, not trades; they do not identify which side opened or closed a position.

Computed from the Oct 21 settlement. Next update after the Oct 22 settlement, after 5:30 a.m. PT (8:30 a.m. ET) on Friday, Oct 23, 2026.

All archived unexpired expiration/strike/type keys, including unchanged counts. Series sharing that key are combined; roots and deliverables are not retained. Zero-OI keys omitted by the archive are not reconstructed.

This page shows the 6 nearest of 11 expirations, with the 40 strikes nearest the archived reference price (2026-10-21) for each, plus the largest changes across the whole book. The complete book, 397 expiration/strike/type keys, is in the Markdown table.

Strike bucket on the horizontal axis, settled open contracts per bucket on the vertical axis. Calls in the accent color; puts in orange. Totals across the 6 nearest expirations, strikes from 73 to 110. Source: SquawkFlow's archive of settled open interest. Counts are contracts, not trades; they do not identify which side opened or closed a position.

BNTX: largest changes in the full book, settled 2026-10-21 vs 2026-10-20

Strike	Expiry	Type	Prior OI	Settled OI	Change
110	11/20	call	886	985	+99
77.5	12/18	put	33	94	+61
95	12/18	call	439	499	+60
82.5	03/19	put	22	79	+57
75	06/17	put	0	32	+32
185	01/15	call	403	423	+20
95	02/19	put	11	23	+12
100	11/20	call	1,057	1,065	+8
95	11/20	call	102	109	+7
92.5	11/20	put	382	387	+5
75	12/18	put	257	261	+4
55	01/15	put	52	56	+4
130	11/20	call	127	130	+3
70	03/19	put	219	222	+3
80	11/20	put	153	151	-2

Expiration 2026-11-20

BNTX open interest, settled 2026-10-21, expiration 2026-11-20, strikes 65 to 140

Strike	Expiry	Type	Prior OI	Settled OI	Change
65	11/20	put	22	22	0
70	11/20	put	13	13	0
75	11/20	call	3	3	0
75	11/20	put	78	78	0
80	11/20	call	1	1	0
80	11/20	put	153	151	-2
82.5	11/20	put	66	66	0
85	11/20	call	42	42	0
85	11/20	put	268	267	-1
87.5	11/20	call	11	11	0
87.5	11/20	put	56	56	0
90	11/20	call	21	21	0
90	11/20	put	234	234	0
92.5	11/20	call	25	25	0
92.5	11/20	put	382	387	+5
95	11/20	call	102	109	+7
95	11/20	put	488	488	0
97.5	11/20	call	45	45	0
97.5	11/20	put	22	22	0
100	11/20	call	1,057	1,065	+8
100	11/20	put	76	76	0
105	11/20	call	535	535	0
105	11/20	put	61	61	0
110	11/20	call	886	985	+99
110	11/20	put	14	14	0
115	11/20	call	365	366	+1
120	11/20	call	132	134	+2
125	11/20	call	68	68	0
130	11/20	call	127	130	+3
135	11/20	call	119	119	0
140	11/20	call	4	4	0

Expiration 2026-12-18

BNTX open interest, settled 2026-10-21, expiration 2026-12-18, strikes 45 to 170

Strike	Expiry	Type	Prior OI	Settled OI	Change
45	12/18	call	1	1	0
47.5	12/18	put	1	1	0
55	12/18	put	10	10	0
60	12/18	put	53	53	0
65	12/18	put	154	154	0
70	12/18	call	3	3	0
70	12/18	put	347	347	0
75	12/18	put	257	261	+4
77.5	12/18	put	33	94	+61
80	12/18	call	6	6	0
80	12/18	put	175	175	0
82.5	12/18	put	143	143	0
85	12/18	put	354	354	0
87.5	12/18	call	13	13	0
87.5	12/18	put	396	396	0
90	12/18	call	45	47	+2
90	12/18	put	1,015	1,015	0
92.5	12/18	call	77	77	0
92.5	12/18	put	66	66	0
95	12/18	call	439	499	+60
95	12/18	put	349	349	0
97.5	12/18	call	139	140	+1
97.5	12/18	put	65	65	0
100	12/18	call	274	275	+1
100	12/18	put	194	194	0
105	12/18	call	110	110	0
105	12/18	put	25	25	0
110	12/18	call	573	573	0
110	12/18	put	40	40	0
115	12/18	call	276	276	0
115	12/18	put	29	29	0
120	12/18	call	1,715	1,715	0
120	12/18	put	107	107	0
125	12/18	call	847	847	0
130	12/18	call	509	509	0
135	12/18	call	936	936	0
140	12/18	call	235	234	-1
145	12/18	call	134	134	0
150	12/18	call	393	393	0
155	12/18	call	32	32	0
160	12/18	call	195	195	0
165	12/18	call	4	4	0
170	12/18	call	316	316	0

Expiration 2027-01-15

BNTX open interest, settled 2026-10-21, expiration 2027-01-15, strikes 42.5 to 185

Strike	Expiry	Type	Prior OI	Settled OI	Change
42.5	01/15	put	23	23	0
45	01/15	call	2	2	0
45	01/15	put	7	7	0
47.5	01/15	put	6	6	0
50	01/15	put	56	58	+2
55	01/15	call	2	2	0
55	01/15	put	52	56	+4
60	01/15	call	7	7	0
60	01/15	put	202	202	0
65	01/15	call	3	3	0
65	01/15	put	276	276	0
70	01/15	call	135	135	0
70	01/15	put	800	799	-1
75	01/15	call	66	66	0
75	01/15	put	438	439	+1
77.5	01/15	call	31	31	0
77.5	01/15	put	267	267	0
80	01/15	call	253	253	0
80	01/15	put	579	579	0
82.5	01/15	call	7	7	0
82.5	01/15	put	34	34	0
85	01/15	call	116	116	0
85	01/15	put	141	141	0
87.5	01/15	call	16	16	0
87.5	01/15	put	11	11	0
90	01/15	call	123	123	0
90	01/15	put	881	881	0
92.5	01/15	call	111	111	0
92.5	01/15	put	11	11	0
95	01/15	call	29	29	0
95	01/15	put	251	251	0
97.5	01/15	call	434	434	0
97.5	01/15	put	679	679	0
100	01/15	call	454	454	0
100	01/15	put	555	555	0
105	01/15	call	146	146	0
105	01/15	put	281	281	0
110	01/15	call	889	889	0
110	01/15	put	276	276	0
115	01/15	call	433	433	0
115	01/15	put	60	60	0
120	01/15	call	685	685	0
120	01/15	put	244	244	0
125	01/15	call	1,889	1,889	0
125	01/15	put	452	452	0
130	01/15	call	411	411	0
130	01/15	put	22	22	0
135	01/15	call	63	63	0
135	01/15	put	18	18	0
140	01/15	call	472	472	0
140	01/15	put	11	11	0
145	01/15	call	267	267	0
145	01/15	put	20	20	0
150	01/15	call	476	476	0
155	01/15	call	93	93	0
160	01/15	call	152	152	0
165	01/15	call	282	282	0
170	01/15	call	128	128	0
175	01/15	call	1,248	1,249	+1
180	01/15	call	268	268	0
185	01/15	call	403	423	+20

Expiration 2027-02-19

BNTX open interest, settled 2026-10-21, expiration 2027-02-19, strikes 55 to 155

Strike	Expiry	Type	Prior OI	Settled OI	Change
55	02/19	put	34	34	0
60	02/19	put	38	39	+1
65	02/19	put	135	135	0
70	02/19	call	1	1	0
70	02/19	put	117	119	+2
75	02/19	put	35	35	0
80	02/19	put	20	20	0
85	02/19	put	1	1	0
90	02/19	call	7	7	0
90	02/19	put	11	11	0
92.5	02/19	call	1	1	0
92.5	02/19	put	10	10	0
95	02/19	call	6	6	0
95	02/19	put	11	23	+12
97.5	02/19	call	6	6	0
97.5	02/19	put	17	17	0
100	02/19	call	8	8	0
100	02/19	put	34	34	0
105	02/19	call	10	10	0
105	02/19	put	7	7	0
110	02/19	call	7	7	0
110	02/19	put	14	14	0
115	02/19	call	3	3	0
120	02/19	call	3	4	+1
125	02/19	call	5	5	0
130	02/19	call	173	173	0
135	02/19	call	104	104	0
140	02/19	call	19	19	0
145	02/19	call	40	40	0
150	02/19	call	80	80	0
155	02/19	call	48	48	0

Expiration 2027-03-19

BNTX open interest, settled 2026-10-21, expiration 2027-03-19, strikes 50 to 175

Strike	Expiry	Type	Prior OI	Settled OI	Change
50	03/19	put	5	5	0
55	03/19	put	4	4	0
60	03/19	put	25	25	0
65	03/19	put	17	16	-1
70	03/19	call	1,211	1,211	0
70	03/19	put	219	222	+3
75	03/19	put	50	51	+1
80	03/19	call	19	19	0
80	03/19	put	107	107	0
82.5	03/19	call	3	3	0
82.5	03/19	put	22	79	+57
85	03/19	call	12	12	0
85	03/19	put	23	23	0
87.5	03/19	put	5	5	0
90	03/19	call	8	8	0
90	03/19	put	48	48	0
92.5	03/19	put	5	5	0
95	03/19	call	166	166	0
95	03/19	put	5	5	0
97.5	03/19	call	4	4	0
97.5	03/19	put	8	8	0
100	03/19	call	64	64	0
100	03/19	put	90	90	0
105	03/19	call	7	7	0
105	03/19	put	13	13	0
110	03/19	call	222	222	0
110	03/19	put	12	12	0
115	03/19	call	43	43	0
115	03/19	put	1	1	0
120	03/19	call	51	51	0
120	03/19	put	18	18	0
125	03/19	call	106	106	0
130	03/19	call	141	141	0
130	03/19	put	1	1	0
135	03/19	call	132	132	0
135	03/19	put	22	22	0
140	03/19	call	125	125	0
145	03/19	call	8	8	0
145	03/19	put	20	20	0
150	03/19	call	81	81	0
155	03/19	call	19	19	0
160	03/19	call	15	15	0
165	03/19	call	7	7	0
170	03/19	call	16	16	0
175	03/19	call	8	8	0

Expiration 2027-05-21

BNTX open interest, settled 2026-10-21, expiration 2027-05-21, strikes 47.5 to 175

Strike	Expiry	Type	Prior OI	Settled OI
47.5	05/21	put	9	9
50	05/21	put	4	4
60	05/21	put	8	8
65	05/21	put	25	25
70	05/21	call	500	500
70	05/21	put	27	27
75	05/21	call	2	2
75	05/21	put	24	24
80	05/21	put	18	18
82.5	05/21	call	11	11
82.5	05/21	put	22	22
85	05/21	put	8	8
87.5	05/21	put	3	3
90	05/21	call	10	10
90	05/21	put	24	24
92.5	05/21	call	7	7
92.5	05/21	put	554	554
95	05/21	call	36	36
95	05/21	put	4	4
97.5	05/21	call	6	6
97.5	05/21	put	2	2
100	05/21	call	114	114
100	05/21	put	20	20
105	05/21	call	15	15
105	05/21	put	1	1
110	05/21	call	11	11
110	05/21	put	8	8
115	05/21	call	9	9
115	05/21	put	1	1
120	05/21	call	23	23
125	05/21	call	106	106
130	05/21	call	14	14
130	05/21	put	189	189
135	05/21	call	16	16
140	05/21	call	19	19
145	05/21	call	604	604
150	05/21	call	116	116
155	05/21	call	9	9
160	05/21	call	2	2
165	05/21	call	3	3
170	05/21	call	2	2
175	05/21	call	50	50

Later expirations (2027-06-17, 2027-08-20, 2027-11-19, 2028-01-21, 2029-01-19) and all other strikes are in the Markdown table.

Markdown table | Open interest changes across symbols

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