NBIS Options Open Interest by Strike, Oct 21 Settlement

NBIS 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 19 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, 1,980 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 133 to 200. Source: SquawkFlow's archive of settled open interest. Counts are contracts, not trades; they do not identify which side opened or closed a position.

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

Strike	Expiry	Type	Prior OI	Settled OI	Change
260	04/16	call	88	7,812	+7,724
50	01/21	put	5,076	11,026	+5,950
300	12/18	call	9,587	11,705	+2,118
330	12/18	call	8,036	10,009	+1,973
100	01/15	put	7,966	6,001	-1,965
225	10/23	put	2,108	166	-1,942
220	11/20	call	2,958	4,572	+1,614
190	10/30	call	982	2,476	+1,494
145	11/20	put	4,730	5,953	+1,223
162.5	10/23	put	1,417	2,509	+1,092
220	10/23	put	1,147	155	-992
270	12/18	call	1,256	2,195	+939
195	10/23	call	2,896	3,825	+929
140	11/20	put	5,481	6,352	+871
175	11/20	call	722	1,571	+849

Expiration 2026-10-23

NBIS open interest, settled 2026-10-21, expiration 2026-10-23, strikes 130 to 202.5

Strike	Expiry	Type	Prior OI	Settled OI	Change
130	10/23	call	15	15	0
130	10/23	put	2,162	2,016	-146
133	10/23	put	103	103	0
134	10/23	put	218	218	0
135	10/23	call	11	11	0
135	10/23	put	1,833	1,882	+49
136	10/23	put	76	76	0
137	10/23	put	46	46	0
138	10/23	call	2	2	0
138	10/23	put	98	98	0
139	10/23	put	82	82	0
140	10/23	call	20	19	-1
140	10/23	put	2,107	2,031	-76
141	10/23	put	156	155	-1
142	10/23	put	98	90	-8
143	10/23	put	116	122	+6
144	10/23	put	157	159	+2
145	10/23	call	11	11	0
145	10/23	put	1,184	1,257	+73
146	10/23	call	10	10	0
146	10/23	put	445	448	+3
147	10/23	call	11	11	0
147	10/23	put	416	413	-3
148	10/23	call	39	38	-1
148	10/23	put	580	589	+9
149	10/23	call	108	111	+3
149	10/23	put	489	534	+45
150	10/23	call	342	339	-3
150	10/23	put	3,510	3,392	-118
152.5	10/23	call	51	47	-4
152.5	10/23	put	1,328	2,112	+784
155	10/23	call	77	196	+119
155	10/23	put	3,777	3,872	+95
157.5	10/23	call	65	194	+129
157.5	10/23	put	710	1,101	+391
160	10/23	call	683	747	+64
160	10/23	put	3,143	3,265	+122
162.5	10/23	call	500	494	-6
162.5	10/23	put	1,417	2,509	+1,092
165	10/23	call	1,096	1,099	+3
165	10/23	put	4,443	4,835	+392
167.5	10/23	call	854	864	+10
167.5	10/23	put	1,856	1,996	+140
170	10/23	call	2,796	2,815	+19
170	10/23	put	2,234	1,931	-303
172.5	10/23	call	1,507	1,357	-150
172.5	10/23	put	1,260	1,257	-3
175	10/23	call	2,726	2,869	+143
175	10/23	put	1,643	1,656	+13
177.5	10/23	call	1,397	1,314	-83
177.5	10/23	put	1,087	1,199	+112
180	10/23	call	5,461	5,985	+524
180	10/23	put	2,625	2,681	+56
182.5	10/23	call	1,416	1,741	+325
182.5	10/23	put	645	627	-18
185	10/23	call	3,281	3,505	+224
185	10/23	put	1,438	1,426	-12
187.5	10/23	call	1,776	1,658	-118
187.5	10/23	put	883	861	-22
190	10/23	call	4,786	4,871	+85
190	10/23	put	2,015	1,878	-137
192.5	10/23	call	1,426	1,456	+30
192.5	10/23	put	234	243	+9
195	10/23	call	2,896	3,825	+929
195	10/23	put	923	882	-41
197.5	10/23	call	1,060	1,277	+217
197.5	10/23	put	352	347	-5
200	10/23	call	7,882	8,089	+207
200	10/23	put	2,533	2,494	-39
202.5	10/23	call	1,371	1,399	+28
202.5	10/23	put	160	126	-34

Expiration 2026-10-30

NBIS open interest, settled 2026-10-21, expiration 2026-10-30, strikes 131 to 200

Strike	Expiry	Type	Prior OI	Settled OI	Change
131	10/30	put	2	9	+7
132	10/30	put	0	2	+2
133	10/30	call	0	7	+7
133	10/30	put	6	6	0
134	10/30	put	3	8	+5
135	10/30	call	14	14	0
135	10/30	put	785	797	+12
136	10/30	call	4	3	-1
136	10/30	put	3	11	+8
137	10/30	put	4	5	+1
138	10/30	put	2	8	+6
139	10/30	call	1	1	0
139	10/30	put	9	13	+4
140	10/30	call	7	6	-1
140	10/30	put	750	777	+27
141	10/30	put	0	2	+2
142	10/30	put	0	14	+14
143	10/30	put	8	15	+7
144	10/30	put	10	17	+7
145	10/30	call	2	3	+1
145	10/30	put	515	703	+188
146	10/30	put	6	50	+44
147	10/30	put	21	47	+26
148	10/30	put	9	34	+25
149	10/30	put	14	41	+27
150	10/30	call	51	71	+20
150	10/30	put	1,386	1,951	+565
152.5	10/30	call	5	6	+1
152.5	10/30	put	41	93	+52
155	10/30	call	11	11	0
155	10/30	put	1,141	1,395	+254
157.5	10/30	call	14	13	-1
157.5	10/30	put	262	395	+133
160	10/30	call	41	55	+14
160	10/30	put	1,026	1,238	+212
162.5	10/30	call	45	47	+2
162.5	10/30	put	460	458	-2
165	10/30	call	499	479	-20
165	10/30	put	2,121	2,221	+100
167.5	10/30	call	317	278	-39
167.5	10/30	put	561	559	-2
170	10/30	call	1,336	1,402	+66
170	10/30	put	1,869	2,123	+254
172.5	10/30	call	441	604	+163
172.5	10/30	put	89	430	+341
175	10/30	call	1,371	1,500	+129
175	10/30	put	878	873	-5
177.5	10/30	call	223	236	+13
177.5	10/30	put	78	81	+3
180	10/30	call	790	973	+183
180	10/30	put	1,518	1,516	-2
182.5	10/30	call	142	180	+38
182.5	10/30	put	103	107	+4
185	10/30	call	889	1,025	+136
185	10/30	put	1,207	1,166	-41
187.5	10/30	call	168	231	+63
187.5	10/30	put	42	49	+7
190	10/30	call	982	2,476	+1,494
190	10/30	put	1,264	1,280	+16
192.5	10/30	call	207	251	+44
192.5	10/30	put	70	70	0
195	10/30	call	625	622	-3
195	10/30	put	1,387	1,380	-7
197.5	10/30	call	296	311	+15
197.5	10/30	put	81	80	-1
200	10/30	call	2,969	3,470	+501
200	10/30	put	2,281	2,292	+11

Expiration 2026-11-06

NBIS open interest, settled 2026-10-21, expiration 2026-11-06, strikes 95 to 245

Strike	Expiry	Type	Prior OI	Settled OI	Change
95	11/06	put	32	40	+8
100	11/06	put	38	52	+14
105	11/06	put	120	120	0
110	11/06	call	1	1	0
110	11/06	put	26	26	0
115	11/06	put	98	112	+14
120	11/06	call	1	1	0
120	11/06	put	121	136	+15
125	11/06	call	0	1	+1
125	11/06	put	127	129	+2
130	11/06	call	9	9	0
130	11/06	put	379	395	+16
135	11/06	call	7	7	0
135	11/06	put	225	242	+17
140	11/06	call	12	12	0
140	11/06	put	455	498	+43
145	11/06	call	6	4	-2
145	11/06	put	692	728	+36
150	11/06	call	37	37	0
150	11/06	put	992	1,091	+99
152.5	11/06	call	1	1	0
152.5	11/06	put	6	28	+22
155	11/06	call	13	11	-2
155	11/06	put	255	274	+19
157.5	11/06	call	5	7	+2
157.5	11/06	put	4	7	+3
160	11/06	call	46	60	+14
160	11/06	put	842	884	+42
162.5	11/06	call	8	9	+1
162.5	11/06	put	85	94	+9
165	11/06	call	103	103	0
165	11/06	put	744	764	+20
167.5	11/06	call	20	15	-5
167.5	11/06	put	17	38	+21
170	11/06	call	302	324	+22
170	11/06	put	1,617	1,650	+33
172.5	11/06	call	14	27	+13
172.5	11/06	put	2	3	+1
175	11/06	call	290	436	+146
175	11/06	put	526	526	0
177.5	11/06	call	11	37	+26
177.5	11/06	put	15	15	0
180	11/06	call	482	573	+91
180	11/06	put	928	933	+5
182.5	11/06	call	13	18	+5
182.5	11/06	put	2	5	+3
185	11/06	call	331	351	+20
185	11/06	put	651	646	-5
187.5	11/06	call	7	26	+19
187.5	11/06	put	7	10	+3
190	11/06	call	663	771	+108
190	11/06	put	889	917	+28
192.5	11/06	call	28	47	+19
192.5	11/06	put	3	3	0
195	11/06	call	133	185	+52
195	11/06	put	794	783	-11
200	11/06	call	995	1,074	+79
200	11/06	put	2,109	2,099	-10
205	11/06	call	267	277	+10
205	11/06	put	520	511	-9
210	11/06	call	473	514	+41
210	11/06	put	890	890	0
215	11/06	call	438	446	+8
215	11/06	put	588	590	+2
220	11/06	call	2,568	2,584	+16
220	11/06	put	645	649	+4
225	11/06	call	1,236	1,277	+41
225	11/06	put	318	315	-3
230	11/06	call	6,692	7,211	+519
230	11/06	put	338	338	0
235	11/06	call	1,228	1,229	+1
235	11/06	put	208	208	0
240	11/06	call	7,130	7,125	-5
240	11/06	put	586	586	0
245	11/06	call	418	418	0
245	11/06	put	123	122	-1

Expiration 2026-11-13

NBIS open interest, settled 2026-10-21, expiration 2026-11-13, strikes 95 to 290

Strike	Expiry	Type	Prior OI	Settled OI	Change
95	11/13	call	0	1	+1
95	11/13	put	47	105	+58
100	11/13	call	0	1	+1
100	11/13	put	5	32	+27
105	11/13	put	63	66	+3
110	11/13	call	5	5	0
110	11/13	put	15	494	+479
115	11/13	call	1	1	0
115	11/13	put	12	86	+74
120	11/13	call	2	2	0
120	11/13	put	136	166	+30
125	11/13	call	1	1	0
125	11/13	put	45	53	+8
130	11/13	call	4	4	0
130	11/13	put	2,443	2,444	+1
135	11/13	call	2	6	+4
135	11/13	put	277	287	+10
140	11/13	call	3	5	+2
140	11/13	put	370	399	+29
145	11/13	call	21	22	+1
145	11/13	put	477	493	+16
150	11/13	call	47	49	+2
150	11/13	put	1,006	950	-56
155	11/13	call	13	26	+13
155	11/13	put	355	364	+9
160	11/13	call	62	59	-3
160	11/13	put	412	443	+31
165	11/13	call	116	138	+22
165	11/13	put	1,384	1,396	+12
170	11/13	call	328	417	+89
170	11/13	put	831	847	+16
175	11/13	call	198	271	+73
175	11/13	put	388	624	+236
180	11/13	call	436	532	+96
180	11/13	put	806	819	+13
185	11/13	call	200	203	+3
185	11/13	put	557	556	-1
190	11/13	call	552	625	+73
190	11/13	put	1,289	1,295	+6
195	11/13	call	91	157	+66
195	11/13	put	434	466	+32
200	11/13	call	886	1,030	+144
200	11/13	put	840	850	+10
205	11/13	call	292	311	+19
205	11/13	put	972	925	-47
210	11/13	call	730	761	+31
210	11/13	put	475	479	+4
215	11/13	call	304	306	+2
215	11/13	put	553	396	-157
220	11/13	call	1,239	1,277	+38
220	11/13	put	263	260	-3
225	11/13	call	989	1,002	+13
225	11/13	put	271	271	0
230	11/13	call	871	979	+108
230	11/13	put	150	152	+2
235	11/13	call	139	241	+102
235	11/13	put	243	244	+1
240	11/13	call	356	377	+21
240	11/13	put	108	99	-9
245	11/13	call	348	347	-1
245	11/13	put	40	40	0
250	11/13	call	1,348	1,355	+7
250	11/13	put	52	53	+1
255	11/13	call	131	131	0
255	11/13	put	16	16	0
260	11/13	call	306	294	-12
260	11/13	put	239	239	0
265	11/13	call	54	58	+4
265	11/13	put	36	36	0
270	11/13	call	394	396	+2
270	11/13	put	1	1	0
275	11/13	call	296	296	0
275	11/13	put	20	20	0
280	11/13	call	331	354	+23
280	11/13	put	2	2	0
285	11/13	call	128	132	+4
290	11/13	call	83	85	+2
290	11/13	put	3	3	0

Expiration 2026-11-20

NBIS open interest, settled 2026-10-21, expiration 2026-11-20, strikes 85 to 250

Strike	Expiry	Type	Prior OI	Settled OI	Change
85	11/20	call	17	17	0
85	11/20	put	639	642	+3
90	11/20	call	14	14	0
90	11/20	put	4,528	4,536	+8
95	11/20	call	12	12	0
95	11/20	put	2,109	2,093	-16
100	11/20	call	63	63	0
100	11/20	put	2,448	3,249	+801
105	11/20	call	25	25	0
105	11/20	put	264	264	0
110	11/20	call	81	81	0
110	11/20	put	1,578	1,585	+7
115	11/20	call	88	88	0
115	11/20	put	11,610	11,793	+183
120	11/20	call	241	242	+1
120	11/20	put	1,187	1,205	+18
125	11/20	call	123	123	0
125	11/20	put	1,162	1,161	-1
130	11/20	call	88	87	-1
130	11/20	put	2,549	2,599	+50
135	11/20	call	298	298	0
135	11/20	put	1,420	2,047	+627
140	11/20	call	254	254	0
140	11/20	put	5,481	6,352	+871
145	11/20	call	151	151	0
145	11/20	put	4,730	5,953	+1,223
150	11/20	call	521	521	0
150	11/20	put	8,525	8,570	+45
152.5	11/20	call	11	11	0
152.5	11/20	put	57	63	+6
155	11/20	call	181	181	0
155	11/20	put	1,359	1,348	-11
157.5	11/20	call	18	18	0
157.5	11/20	put	102	428	+326
160	11/20	call	501	402	-99
160	11/20	put	2,595	2,651	+56
162.5	11/20	call	62	61	-1
162.5	11/20	put	293	297	+4
165	11/20	call	207	207	0
165	11/20	put	1,808	1,858	+50
167.5	11/20	call	111	113	+2
167.5	11/20	put	439	448	+9
170	11/20	call	2,322	2,482	+160
170	11/20	put	2,920	2,995	+75
172.5	11/20	call	120	151	+31
172.5	11/20	put	78	111	+33
175	11/20	call	722	1,571	+849
175	11/20	put	2,188	2,992	+804
177.5	11/20	call	57	81	+24
177.5	11/20	put	55	68	+13
180	11/20	call	4,751	5,103	+352
180	11/20	put	3,539	3,539	0
182.5	11/20	call	99	116	+17
182.5	11/20	put	155	155	0
185	11/20	call	1,115	1,120	+5
185	11/20	put	2,972	3,161	+189
187.5	11/20	call	131	338	+207
187.5	11/20	put	9	37	+28
190	11/20	call	2,046	2,154	+108
190	11/20	put	2,940	2,873	-67
192.5	11/20	call	200	227	+27
192.5	11/20	put	9	41	+32
195	11/20	call	1,192	1,206	+14
195	11/20	put	1,606	1,602	-4
200	11/20	call	4,613	4,911	+298
200	11/20	put	4,874	4,876	+2
205	11/20	call	108	106	-2
205	11/20	put	9	14	+5
210	11/20	call	4,105	4,130	+25
210	11/20	put	4,440	4,434	-6
215	11/20	call	84	136	+52
215	11/20	put	21	24	+3
220	11/20	call	2,958	4,572	+1,614
220	11/20	put	1,504	1,503	-1
230	11/20	call	6,514	6,540	+26
230	11/20	put	3,699	3,694	-5
240	11/20	call	3,131	2,999	-132
240	11/20	put	1,213	1,213	0
250	11/20	call	5,214	5,232	+18
250	11/20	put	1,271	1,270	-1

Expiration 2026-11-27

NBIS open interest, settled 2026-10-21, expiration 2026-11-27, strikes 95 to 290

Strike	Expiry	Type	Prior OI	Settled OI	Change
95	11/27	put	62	73	+11
100	11/27	put	7	69	+62
105	11/27	put	12	24	+12
110	11/27	put	60	208	+148
115	11/27	call	12	12	0
115	11/27	put	49	67	+18
120	11/27	call	8	8	0
120	11/27	put	54	62	+8
125	11/27	call	11	11	0
125	11/27	put	46	49	+3
130	11/27	call	2	2	0
130	11/27	put	193	193	0
135	11/27	call	20	24	+4
135	11/27	put	193	204	+11
140	11/27	call	1	0	-1
140	11/27	put	708	719	+11
145	11/27	call	32	32	0
145	11/27	put	124	127	+3
150	11/27	call	47	47	0
150	11/27	put	617	630	+13
155	11/27	call	17	18	+1
155	11/27	put	1,292	1,291	-1
160	11/27	call	26	26	0
160	11/27	put	925	933	+8
165	11/27	call	57	61	+4
165	11/27	put	171	194	+23
170	11/27	call	509	518	+9
170	11/27	put	318	350	+32
175	11/27	call	138	148	+10
175	11/27	put	159	178	+19
180	11/27	call	148	571	+423
180	11/27	put	547	568	+21
185	11/27	call	144	185	+41
185	11/27	put	166	175	+9
190	11/27	call	1,048	1,100	+52
190	11/27	put	217	236	+19
195	11/27	call	71	77	+6
195	11/27	put	116	118	+2
200	11/27	call	461	499	+38
200	11/27	put	200	201	+1
205	11/27	call	143	178	+35
205	11/27	put	87	90	+3
210	11/27	call	141	148	+7
210	11/27	put	254	281	+27
215	11/27	call	225	217	-8
215	11/27	put	57	58	+1
220	11/27	call	233	250	+17
220	11/27	put	87	91	+4
225	11/27	call	360	414	+54
225	11/27	put	44	45	+1
230	11/27	call	310	329	+19
230	11/27	put	74	74	0
235	11/27	call	90	89	-1
235	11/27	put	21	21	0
240	11/27	call	150	198	+48
240	11/27	put	17	18	+1
245	11/27	call	36	344	+308
245	11/27	put	6	7	+1
250	11/27	call	359	407	+48
250	11/27	put	20	20	0
255	11/27	call	23	24	+1
260	11/27	call	78	77	-1
265	11/27	call	13	65	+52
270	11/27	call	37	37	0
275	11/27	call	4	5	+1
275	11/27	put	1	1	0
280	11/27	call	38	38	0
285	11/27	call	36	36	0
285	11/27	put	1	1	0
290	11/27	call	16	16	0
290	11/27	put	21	21	0

Later expirations (2026-12-18, 2027-01-15, 2027-02-19, 2027-03-19, 2027-04-16, 2027-05-21, 2027-06-17, 2027-09-17, 2027-12-17, 2028-01-21, 2028-06-16, 2028-12-15, 2029-01-19) and all other strikes are in the Markdown table.

Markdown table | Open interest changes across symbols

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