C Options Open Interest by Strike, Oct 21 Settlement

C 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 18 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, 1,112 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 99 to 148. Source: SquawkFlow's archive of settled open interest. Counts are contracts, not trades; they do not identify which side opened or closed a position.

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

Strike	Expiry	Type	Prior OI	Settled OI	Change
119	10/23	put	13,111	6,729	-6,382
125	10/23	call	2,807	6,018	+3,211
110	03/19	put	6,054	7,048	+994
150	12/18	call	5,962	5,471	-491
112	10/30	put	9	443	+434
120	10/23	put	7,087	7,413	+326
115	01/15	put	7,914	7,603	-311
132	10/30	call	1,401	1,658	+257
133	10/30	put	375	168	-207
121	10/23	call	614	415	-199
124	10/23	call	964	1,145	+181
125	01/15	call	4,992	5,164	+172
123	10/23	call	1,929	2,083	+154
122	10/23	call	506	658	+152
130	05/21	put	35	185	+150

Expiration 2026-10-23

C open interest, settled 2026-10-21, expiration 2026-10-23, strikes 100 to 146

Strike	Expiry	Type	Prior OI	Settled OI	Change
100	10/23	call	2	2	0
100	10/23	put	18	18	0
105	10/23	call	1	1	0
105	10/23	put	50	50	0
109	10/23	call	10	15	+5
109	10/23	put	2	2	0
110	10/23	call	16	17	+1
110	10/23	put	1,681	1,681	0
111	10/23	call	3	3	0
112	10/23	call	4	4	0
112	10/23	put	6	6	0
113	10/23	call	39	40	+1
113	10/23	put	159	159	0
114	10/23	call	18	19	+1
114	10/23	put	159	159	0
115	10/23	call	69	65	-4
115	10/23	put	1,685	1,684	-1
116	10/23	call	41	41	0
116	10/23	put	543	626	+83
117	10/23	call	16	16	0
117	10/23	put	142	147	+5
118	10/23	call	72	71	-1
118	10/23	put	608	602	-6
119	10/23	call	28	28	0
119	10/23	put	13,111	6,729	-6,382
120	10/23	call	133	130	-3
120	10/23	put	7,087	7,413	+326
121	10/23	call	614	415	-199
121	10/23	put	1,369	1,399	+30
122	10/23	call	506	658	+152
122	10/23	put	682	717	+35
123	10/23	call	1,929	2,083	+154
123	10/23	put	2,426	2,364	-62
124	10/23	call	964	1,145	+181
124	10/23	put	622	578	-44
125	10/23	call	2,807	6,018	+3,211
125	10/23	put	2,519	2,508	-11
126	10/23	call	1,064	1,152	+88
126	10/23	put	253	196	-57
127	10/23	call	533	534	+1
127	10/23	put	599	593	-6
128	10/23	call	892	942	+50
128	10/23	put	268	232	-36
129	10/23	call	659	651	-8
129	10/23	put	112	107	-5
130	10/23	call	2,111	2,075	-36
130	10/23	put	45	9	-36
131	10/23	call	1,031	1,030	-1
131	10/23	put	5	5	0
132	10/23	call	694	694	0
132	10/23	put	13	13	0
133	10/23	call	278	274	-4
134	10/23	call	485	475	-10
135	10/23	call	545	544	-1
135	10/23	put	10	10	0
136	10/23	call	225	225	0
137	10/23	call	212	212	0
138	10/23	call	132	132	0
139	10/23	call	1,221	1,221	0
140	10/23	call	372	372	0
140	10/23	put	2	1	-1
141	10/23	call	149	149	0
142	10/23	call	744	744	0
143	10/23	call	387	391	+4
143	10/23	put	0	1	+1
144	10/23	call	114	104	-10
144	10/23	put	0	1	+1
145	10/23	call	56	56	0
145	10/23	put	0	7	+7
146	10/23	call	55	55	0

Expiration 2026-10-30

C open interest, settled 2026-10-21, expiration 2026-10-30, strikes 100 to 146

Strike	Expiry	Type	Prior OI	Settled OI	Change
100	10/30	call	5	5	0
100	10/30	put	32	32	0
105	10/30	put	169	169	0
109	10/30	put	13	13	0
110	10/30	put	932	932	0
111	10/30	put	3	3	0
112	10/30	put	9	443	+434
113	10/30	call	15	15	0
113	10/30	put	18	19	+1
114	10/30	put	33	58	+25
115	10/30	call	17	29	+12
115	10/30	put	968	880	-88
116	10/30	call	1	1	0
116	10/30	put	252	261	+9
117	10/30	call	1	1	0
117	10/30	put	174	186	+12
118	10/30	call	1	1	0
118	10/30	put	1,769	1,773	+4
119	10/30	call	22	22	0
119	10/30	put	120	141	+21
120	10/30	call	158	158	0
120	10/30	put	421	436	+15
121	10/30	call	86	87	+1
121	10/30	put	154	180	+26
122	10/30	call	130	128	-2
122	10/30	put	296	316	+20
123	10/30	call	95	133	+38
123	10/30	put	633	658	+25
124	10/30	call	142	197	+55
124	10/30	put	291	295	+4
125	10/30	call	2,123	2,148	+25
125	10/30	put	439	414	-25
126	10/30	call	340	355	+15
126	10/30	put	115	118	+3
127	10/30	call	212	346	+134
127	10/30	put	28	28	0
128	10/30	call	105	114	+9
128	10/30	put	75	99	+24
129	10/30	call	269	277	+8
129	10/30	put	26	26	0
130	10/30	call	497	506	+9
130	10/30	put	143	149	+6
131	10/30	call	233	241	+8
131	10/30	put	77	71	-6
132	10/30	call	1,401	1,658	+257
132	10/30	put	47	47	0
133	10/30	call	2,400	2,400	0
133	10/30	put	375	168	-207
134	10/30	call	188	189	+1
134	10/30	put	9	7	-2
135	10/30	call	469	466	-3
135	10/30	put	4	4	0
136	10/30	call	145	143	-2
137	10/30	call	99	99	0
138	10/30	call	232	231	-1
139	10/30	call	186	186	0
140	10/30	call	690	683	-7
141	10/30	call	80	80	0
142	10/30	call	48	48	0
143	10/30	call	103	103	0
144	10/30	call	198	198	0
145	10/30	call	128	128	0
146	10/30	call	331	331	0

Expiration 2026-11-06

C open interest, settled 2026-10-21, expiration 2026-11-06, strikes 100 to 146

Strike	Expiry	Type	Prior OI	Settled OI	Change
100	11/06	call	0	1	+1
100	11/06	put	7	7	0
105	11/06	put	57	58	+1
109	11/06	put	17	24	+7
110	11/06	call	50	50	0
110	11/06	put	8,354	8,354	0
111	11/06	put	6,402	6,402	0
112	11/06	put	4	4	0
113	11/06	put	19	20	+1
114	11/06	put	17	53	+36
115	11/06	call	1	1	0
115	11/06	put	199	206	+7
116	11/06	put	608	609	+1
117	11/06	put	64	69	+5
118	11/06	put	608	599	-9
119	11/06	put	254	253	-1
120	11/06	call	47	40	-7
120	11/06	put	447	454	+7
121	11/06	call	8	13	+5
121	11/06	put	138	141	+3
122	11/06	call	112	112	0
122	11/06	put	212	244	+32
123	11/06	call	154	160	+6
123	11/06	put	184	182	-2
124	11/06	call	54	56	+2
124	11/06	put	74	158	+84
125	11/06	call	168	214	+46
125	11/06	put	106	107	+1
126	11/06	call	279	284	+5
126	11/06	put	22	23	+1
127	11/06	call	154	174	+20
127	11/06	put	72	72	0
128	11/06	call	115	121	+6
128	11/06	put	726	726	0
129	11/06	call	284	285	+1
129	11/06	put	46	56	+10
130	11/06	call	152	201	+49
130	11/06	put	97	97	0
131	11/06	call	101	106	+5
131	11/06	put	24	24	0
132	11/06	call	82	82	0
132	11/06	put	4	4	0
133	11/06	call	577	578	+1
133	11/06	put	24	24	0
134	11/06	call	139	139	0
134	11/06	put	7	7	0
135	11/06	call	84	84	0
135	11/06	put	28	28	0
136	11/06	call	157	158	+1
136	11/06	put	25	25	0
137	11/06	call	74	74	0
137	11/06	put	7	8	+1
138	11/06	call	18	18	0
138	11/06	put	6	6	0
139	11/06	call	17	17	0
139	11/06	put	2	2	0
140	11/06	call	904	904	0
140	11/06	put	51	51	0
141	11/06	call	2	2	0
142	11/06	call	13	13	0
143	11/06	call	2	2	0
144	11/06	call	14	14	0
144	11/06	put	2	2	0
145	11/06	call	12	12	0
146	11/06	call	17	17	0
146	11/06	put	1	1	0

Expiration 2026-11-13

C open interest, settled 2026-10-21, expiration 2026-11-13, strikes 100 to 150

Strike	Expiry	Type	Prior OI	Settled OI	Change
100	11/13	put	7	8	+1
105	11/13	put	1,120	1,121	+1
109	11/13	put	1	1	0
110	11/13	put	84	126	+42
111	11/13	put	10	10	0
112	11/13	put	11	11	0
113	11/13	put	93	92	-1
114	11/13	put	10	10	0
115	11/13	call	2	2	0
115	11/13	put	213	210	-3
116	11/13	put	202	202	0
117	11/13	put	410	464	+54
118	11/13	call	10	10	0
118	11/13	put	25	25	0
119	11/13	put	211	211	0
120	11/13	call	3	3	0
120	11/13	put	86	86	0
121	11/13	call	3	3	0
121	11/13	put	82	92	+10
122	11/13	call	54	49	-5
122	11/13	put	32	53	+21
123	11/13	call	47	45	-2
123	11/13	put	49	48	-1
124	11/13	call	14	23	+9
124	11/13	put	30	30	0
125	11/13	call	63	69	+6
125	11/13	put	220	220	0
126	11/13	call	57	57	0
126	11/13	put	125	126	+1
127	11/13	call	225	225	0
127	11/13	put	479	491	+12
128	11/13	call	78	78	0
128	11/13	put	31	34	+3
129	11/13	call	39	44	+5
129	11/13	put	6	6	0
130	11/13	call	501	503	+2
130	11/13	put	87	87	0
131	11/13	call	54	56	+2
131	11/13	put	2	2	0
132	11/13	call	59	61	+2
132	11/13	put	711	711	0
133	11/13	call	164	164	0
133	11/13	put	13	13	0
134	11/13	call	101	101	0
134	11/13	put	131	131	0
135	11/13	call	52	101	+49
135	11/13	put	68	68	0
136	11/13	call	201	202	+1
136	11/13	put	4	4	0
137	11/13	call	60	60	0
137	11/13	put	3	2	-1
138	11/13	call	17	14	-3
138	11/13	put	1	1	0
139	11/13	call	14	14	0
139	11/13	put	4	4	0
140	11/13	call	20	16	-4
141	11/13	call	68	68	0
142	11/13	call	12	12	0
143	11/13	call	7	7	0
144	11/13	call	3	3	0
145	11/13	call	10	10	0
150	11/13	call	27	27	0

Expiration 2026-11-20

C open interest, settled 2026-10-21, expiration 2026-11-20, strikes 80 to 170

Strike	Expiry	Type	Prior OI	Settled OI	Change
80	11/20	call	33	33	0
80	11/20	put	1,828	1,828	0
85	11/20	call	67	67	0
85	11/20	put	560	560	0
90	11/20	call	117	117	0
90	11/20	put	629	629	0
95	11/20	call	300	300	0
95	11/20	put	962	964	+2
100	11/20	call	282	281	-1
100	11/20	put	10,166	10,173	+7
105	11/20	call	159	159	0
105	11/20	put	2,775	2,780	+5
110	11/20	call	158	158	0
110	11/20	put	43,301	43,360	+59
113	11/20	put	115	131	+16
114	11/20	put	15	60	+45
115	11/20	call	412	369	-43
115	11/20	put	7,121	7,156	+35
116	11/20	put	57	61	+4
117	11/20	put	70	70	0
118	11/20	put	464	544	+80
119	11/20	call	3	10	+7
119	11/20	put	116	123	+7
120	11/20	call	805	788	-17
120	11/20	put	6,077	6,096	+19
121	11/20	call	3	4	+1
121	11/20	put	77	77	0
122	11/20	call	99	100	+1
122	11/20	put	189	201	+12
123	11/20	call	57	70	+13
123	11/20	put	183	201	+18
124	11/20	call	134	140	+6
124	11/20	put	22	25	+3
125	11/20	call	2,661	2,538	-123
125	11/20	put	2,622	2,620	-2
126	11/20	call	52	78	+26
126	11/20	put	3	5	+2
127	11/20	call	270	274	+4
127	11/20	put	10	10	0
128	11/20	call	265	262	-3
129	11/20	call	58	73	+15
129	11/20	put	2	2	0
130	11/20	call	2,906	3,019	+113
130	11/20	put	2,672	2,670	-2
131	11/20	call	366	401	+35
132	11/20	call	115	127	+12
133	11/20	call	120	124	+4
134	11/20	call	31	56	+25
135	11/20	call	7,844	7,989	+145
135	11/20	put	3,052	3,051	-1
136	11/20	call	65	67	+2
137	11/20	call	25	30	+5
138	11/20	call	14	28	+14
140	11/20	call	4,301	4,296	-5
140	11/20	put	1,082	1,082	0
145	11/20	call	4,065	4,058	-7
145	11/20	put	219	219	0
150	11/20	call	7,510	7,490	-20
150	11/20	put	137	136	-1
155	11/20	call	1,576	1,573	-3
155	11/20	put	83	83	0
160	11/20	call	3,479	3,479	0
165	11/20	call	1,207	1,208	+1
170	11/20	call	534	534	0

Expiration 2026-11-27

C open interest, settled 2026-10-21, expiration 2026-11-27, strikes 90 to 150

Strike	Expiry	Type	Prior OI	Settled OI	Change
90	11/27	call	1	1	0
95	11/27	put	4	4	0
100	11/27	put	51	51	0
105	11/27	put	28	28	0
109	11/27	put	21	24	+3
110	11/27	put	28	28	0
111	11/27	put	51	51	0
112	11/27	put	1	1	0
113	11/27	put	20	20	0
114	11/27	put	2	8	+6
115	11/27	put	62	64	+2
116	11/27	put	7	7	0
117	11/27	call	1	1	0
117	11/27	put	259	259	0
118	11/27	put	213	213	0
119	11/27	put	6	6	0
120	11/27	call	37	42	+5
120	11/27	put	266	275	+9
121	11/27	call	3	3	0
121	11/27	put	16	18	+2
122	11/27	call	12	12	0
122	11/27	put	10	10	0
123	11/27	call	15	15	0
123	11/27	put	222	222	0
124	11/27	call	10	10	0
124	11/27	put	19	21	+2
125	11/27	call	26	26	0
125	11/27	put	157	157	0
126	11/27	call	57	57	0
126	11/27	put	233	233	0
127	11/27	call	21	23	+2
127	11/27	put	8	8	0
128	11/27	call	8	8	0
128	11/27	put	4	4	0
129	11/27	call	11	10	-1
129	11/27	put	4	4	0
130	11/27	call	72	73	+1
130	11/27	put	15	15	0
131	11/27	call	14	16	+2
131	11/27	put	2	2	0
132	11/27	call	14	14	0
132	11/27	put	66	66	0
133	11/27	call	7	8	+1
133	11/27	put	14	17	+3
134	11/27	call	54	54	0
134	11/27	put	6	6	0
135	11/27	call	76	78	+2
136	11/27	call	16	16	0
136	11/27	put	10	10	0
137	11/27	call	3	3	0
137	11/27	put	13	14	+1
138	11/27	call	5	5	0
138	11/27	put	2	2	0
139	11/27	call	3	3	0
140	11/27	call	15	15	0
141	11/27	call	3	3	0
141	11/27	put	1	1	0
145	11/27	call	93	93	0
150	11/27	call	15	15	0

Later expirations (2026-12-18, 2027-01-15, 2027-02-19, 2027-03-19, 2027-04-16, 2027-05-21, 2027-06-17, 2027-07-16, 2027-09-17, 2028-01-21, 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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