CSCO Options Open Interest by Strike, Oct 21 Settlement

CSCO 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 17 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, 1,111 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 86 to 128. Source: SquawkFlow's archive of settled open interest. Counts are contracts, not trades; they do not identify which side opened or closed a position.

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

Strike	Expiry	Type	Prior OI	Settled OI	Change
115	11/20	call	5,020	9,747	+4,727
98	10/23	put	310	2,806	+2,496
115	10/23	call	1,606	3,627	+2,021
125	11/20	call	6,296	8,238	+1,942
114	10/23	call	1,551	2,542	+991
90	04/16	put	923	1,581	+658
108	10/30	call	193	758	+565
130	11/20	call	3,739	4,149	+410
112	10/30	call	183	522	+339
103	10/23	put	488	822	+334
100	10/23	put	3,568	3,240	-328
100	01/15	put	7,192	7,498	+306
95	01/15	put	3,230	3,466	+236
107	10/23	put	637	871	+234
107	10/23	call	615	830	+215

Expiration 2026-10-23

CSCO open interest, settled 2026-10-21, expiration 2026-10-23, strikes 85 to 130

Strike	Expiry	Type	Prior OI	Settled OI	Change
85	10/23	put	32	32	0
90	10/23	call	4	4	0
90	10/23	put	47	56	+9
93	10/23	call	1	1	0
93	10/23	put	9	27	+18
94	10/23	call	3	4	+1
94	10/23	put	40	40	0
95	10/23	call	34	36	+2
95	10/23	put	459	459	0
96	10/23	call	54	54	0
96	10/23	put	179	180	+1
97	10/23	call	18	18	0
97	10/23	put	16	16	0
98	10/23	call	4	5	+1
98	10/23	put	310	2,806	+2,496
99	10/23	call	7	7	0
99	10/23	put	315	319	+4
100	10/23	call	104	104	0
100	10/23	put	3,568	3,240	-328
101	10/23	call	169	169	0
101	10/23	put	616	672	+56
102	10/23	call	803	803	0
102	10/23	put	1,251	1,261	+10
103	10/23	call	6	6	0
103	10/23	put	488	822	+334
104	10/23	call	47	47	0
104	10/23	put	807	916	+109
105	10/23	call	175	102	-73
105	10/23	put	1,159	1,269	+110
106	10/23	call	471	422	-49
106	10/23	put	3,335	3,326	-9
107	10/23	call	615	830	+215
107	10/23	put	637	871	+234
108	10/23	call	1,106	1,194	+88
108	10/23	put	344	475	+131
109	10/23	call	534	557	+23
109	10/23	put	197	190	-7
110	10/23	call	1,422	1,430	+8
110	10/23	put	666	658	-8
111	10/23	call	952	980	+28
111	10/23	put	234	206	-28
112	10/23	call	411	564	+153
112	10/23	put	153	138	-15
113	10/23	call	750	789	+39
113	10/23	put	205	179	-26
114	10/23	call	1,551	2,542	+991
114	10/23	put	77	76	-1
115	10/23	call	1,606	3,627	+2,021
115	10/23	put	45	8	-37
116	10/23	call	172	175	+3
116	10/23	put	9	8	-1
117	10/23	call	2,654	2,755	+101
117	10/23	put	44	44	0
118	10/23	call	415	414	-1
119	10/23	call	262	261	-1
120	10/23	call	635	613	-22
121	10/23	call	186	194	+8
122	10/23	call	166	166	0
123	10/23	call	121	121	0
124	10/23	call	293	293	0
125	10/23	call	158	158	0
125	10/23	put	0	2	+2
126	10/23	call	168	168	0
127	10/23	call	19	19	0
128	10/23	call	20	20	0
129	10/23	call	8	8	0
130	10/23	call	51	51	0

Expiration 2026-10-30

CSCO open interest, settled 2026-10-21, expiration 2026-10-30, strikes 85 to 130

Strike	Expiry	Type	Prior OI	Settled OI	Change
85	10/30	put	8	8	0
90	10/30	put	35	35	0
93	10/30	put	53	53	0
94	10/30	put	51	52	+1
95	10/30	call	4	4	0
95	10/30	put	176	181	+5
96	10/30	call	5	5	0
96	10/30	put	65	73	+8
97	10/30	call	21	21	0
97	10/30	put	283	283	0
98	10/30	put	120	118	-2
99	10/30	call	0	2	+2
99	10/30	put	73	71	-2
100	10/30	call	89	90	+1
100	10/30	put	941	953	+12
101	10/30	call	2	2	0
101	10/30	put	103	115	+12
102	10/30	call	16	16	0
102	10/30	put	191	217	+26
103	10/30	call	6	6	0
103	10/30	put	229	231	+2
104	10/30	call	239	227	-12
104	10/30	put	138	133	-5
105	10/30	call	100	95	-5
105	10/30	put	887	1,017	+130
106	10/30	call	75	74	-1
106	10/30	put	256	261	+5
107	10/30	call	559	567	+8
107	10/30	put	228	237	+9
108	10/30	call	193	758	+565
108	10/30	put	421	493	+72
109	10/30	call	171	190	+19
109	10/30	put	366	371	+5
110	10/30	call	863	938	+75
110	10/30	put	1,241	1,243	+2
111	10/30	call	321	320	-1
111	10/30	put	153	153	0
112	10/30	call	183	522	+339
112	10/30	put	623	634	+11
113	10/30	call	324	333	+9
113	10/30	put	57	57	0
114	10/30	call	1,074	1,087	+13
114	10/30	put	102	102	0
115	10/30	call	1,129	1,143	+14
115	10/30	put	123	126	+3
116	10/30	call	251	253	+2
116	10/30	put	6	6	0
117	10/30	call	429	441	+12
117	10/30	put	7	7	0
118	10/30	call	226	227	+1
118	10/30	put	559	559	0
119	10/30	call	136	133	-3
119	10/30	put	183	153	-30
120	10/30	call	1,588	1,467	-121
120	10/30	put	5	5	0
121	10/30	call	430	426	-4
122	10/30	call	401	403	+2
123	10/30	call	93	93	0
124	10/30	call	94	94	0
125	10/30	call	584	582	-2
125	10/30	put	1	1	0
126	10/30	call	21	21	0
127	10/30	call	14	14	0
128	10/30	call	8	8	0
129	10/30	call	6	6	0
130	10/30	call	420	420	0

Expiration 2026-11-06

CSCO open interest, settled 2026-10-21, expiration 2026-11-06, strikes 85 to 130

Strike	Expiry	Type	Prior OI	Settled OI	Change
85	11/06	put	11	11	0
90	11/06	call	5	5	0
90	11/06	put	5	3	-2
93	11/06	put	10	12	+2
94	11/06	put	7	6	-1
95	11/06	put	146	156	+10
96	11/06	put	85	81	-4
97	11/06	put	77	81	+4
98	11/06	put	321	319	-2
99	11/06	call	1	1	0
99	11/06	put	30	35	+5
100	11/06	call	15	15	0
100	11/06	put	398	399	+1
101	11/06	put	402	427	+25
102	11/06	call	1	1	0
102	11/06	put	345	360	+15
103	11/06	put	129	132	+3
104	11/06	call	64	7	-57
104	11/06	put	160	120	-40
105	11/06	call	95	35	-60
105	11/06	put	257	212	-45
106	11/06	call	23	21	-2
106	11/06	put	120	123	+3
107	11/06	call	88	89	+1
107	11/06	put	61	62	+1
108	11/06	call	134	148	+14
108	11/06	put	160	159	-1
109	11/06	call	157	159	+2
109	11/06	put	128	164	+36
110	11/06	call	111	155	+44
110	11/06	put	234	235	+1
111	11/06	call	48	136	+88
111	11/06	put	41	66	+25
112	11/06	call	412	432	+20
112	11/06	put	121	121	0
113	11/06	call	199	217	+18
113	11/06	put	275	275	0
114	11/06	call	81	87	+6
114	11/06	put	176	176	0
115	11/06	call	368	388	+20
115	11/06	put	123	121	-2
116	11/06	call	534	548	+14
116	11/06	put	30	30	0
117	11/06	call	146	155	+9
117	11/06	put	15	15	0
118	11/06	call	271	336	+65
118	11/06	put	3	3	0
119	11/06	call	75	75	0
120	11/06	call	531	541	+10
120	11/06	put	15	15	0
121	11/06	call	252	252	0
122	11/06	call	44	44	0
123	11/06	call	204	203	-1
123	11/06	put	1	0	-1
124	11/06	call	1,105	1,107	+2
125	11/06	call	221	204	-17
126	11/06	call	73	73	0
127	11/06	call	20	20	0
128	11/06	call	86	86	0
129	11/06	call	50	50	0
130	11/06	call	103	101	-2

Expiration 2026-11-13

CSCO open interest, settled 2026-10-21, expiration 2026-11-13, strikes 85 to 131

Strike	Expiry	Type	Prior OI	Settled OI	Change
85	11/13	put	11	11	0
90	11/13	call	1	1	0
90	11/13	put	88	88	0
94	11/13	put	19	20	+1
95	11/13	call	4	4	0
95	11/13	put	38	41	+3
96	11/13	put	16	17	+1
97	11/13	call	5	5	0
97	11/13	put	69	70	+1
98	11/13	call	5	5	0
98	11/13	put	87	87	0
99	11/13	call	1	1	0
99	11/13	put	77	77	0
100	11/13	call	26	27	+1
100	11/13	put	186	190	+4
101	11/13	put	176	179	+3
102	11/13	put	62	65	+3
103	11/13	put	106	106	0
104	11/13	put	60	60	0
105	11/13	call	7	7	0
105	11/13	put	238	239	+1
106	11/13	call	42	71	+29
106	11/13	put	29	29	0
107	11/13	call	43	43	0
107	11/13	put	85	85	0
108	11/13	call	78	84	+6
108	11/13	put	38	38	0
109	11/13	call	15	15	0
109	11/13	put	21	21	0
110	11/13	call	152	155	+3
110	11/13	put	102	100	-2
111	11/13	call	96	98	+2
111	11/13	put	20	20	0
112	11/13	call	66	67	+1
112	11/13	put	21	21	0
113	11/13	call	168	171	+3
113	11/13	put	50	50	0
114	11/13	call	29	31	+2
114	11/13	put	9	9	0
115	11/13	call	237	256	+19
115	11/13	put	97	97	0
116	11/13	call	143	144	+1
116	11/13	put	70	70	0
117	11/13	call	72	74	+2
117	11/13	put	61	61	0
118	11/13	call	154	168	+14
118	11/13	put	49	49	0
119	11/13	call	90	90	0
119	11/13	put	15	15	0
120	11/13	call	191	203	+12
120	11/13	put	22	22	0
121	11/13	call	189	199	+10
121	11/13	put	26	26	0
122	11/13	call	609	623	+14
123	11/13	call	52	110	+58
124	11/13	call	9	9	0
125	11/13	call	270	270	0
125	11/13	put	11	11	0
126	11/13	call	67	67	0
126	11/13	put	20	20	0
127	11/13	call	15	21	+6
128	11/13	call	39	48	+9
129	11/13	call	48	48	0
129	11/13	put	1	1	0
130	11/13	call	116	116	0
131	11/13	call	2	3	+1

Expiration 2026-11-20

CSCO open interest, settled 2026-10-21, expiration 2026-11-20, strikes 65 to 150

Strike	Expiry	Type	Prior OI	Settled OI	Change
65	11/20	call	2	2	0
65	11/20	put	5	5	0
70	11/20	call	4	4	0
70	11/20	put	2,723	2,723	0
75	11/20	call	3	3	0
75	11/20	put	1,080	1,080	0
80	11/20	call	19	19	0
80	11/20	put	4,939	4,939	0
85	11/20	call	12	12	0
85	11/20	put	727	732	+5
90	11/20	call	108	108	0
90	11/20	put	1,431	1,528	+97
95	11/20	call	116	116	0
95	11/20	put	4,128	4,139	+11
96	11/20	call	8	8	0
96	11/20	put	12	12	0
97	11/20	put	46	69	+23
98	11/20	call	40	40	0
98	11/20	put	32	38	+6
99	11/20	put	16	19	+3
100	11/20	call	562	567	+5
100	11/20	put	4,926	4,933	+7
101	11/20	put	32	51	+19
102	11/20	put	10	12	+2
103	11/20	put	19	19	0
104	11/20	put	18	18	0
105	11/20	call	1,738	1,772	+34
105	11/20	put	7,562	7,557	-5
106	11/20	call	86	87	+1
106	11/20	put	88	87	-1
107	11/20	call	90	69	-21
107	11/20	put	353	362	+9
108	11/20	call	1,366	1,392	+26
108	11/20	put	81	81	0
109	11/20	call	125	128	+3
109	11/20	put	3	4	+1
110	11/20	call	3,977	3,984	+7
110	11/20	put	4,571	4,570	-1
111	11/20	call	25	29	+4
112	11/20	call	62	75	+13
112	11/20	put	24	24	0
113	11/20	call	67	71	+4
113	11/20	put	2	7	+5
114	11/20	call	28	42	+14
115	11/20	call	5,020	9,747	+4,727
115	11/20	put	1,710	1,706	-4
116	11/20	call	351	352	+1
116	11/20	put	2	3	+1
117	11/20	call	190	192	+2
118	11/20	call	140	161	+21
119	11/20	call	33	34	+1
120	11/20	call	6,514	6,541	+27
120	11/20	put	805	805	0
121	11/20	call	77	101	+24
122	11/20	call	147	149	+2
125	11/20	call	6,296	8,238	+1,942
125	11/20	put	366	366	0
130	11/20	call	3,739	4,149	+410
130	11/20	put	286	286	0
135	11/20	call	3,450	3,462	+12
135	11/20	put	33	33	0
140	11/20	call	2,509	2,509	0
145	11/20	call	742	742	0
150	11/20	call	524	524	0

Expiration 2026-11-27

CSCO open interest, settled 2026-10-21, expiration 2026-11-27, strikes 75 to 145

Strike	Expiry	Type	Prior OI	Settled OI	Change
75	11/27	put	1	1	0
85	11/27	put	20	22	+2
90	11/27	call	1	1	0
90	11/27	put	5	11	+6
95	11/27	call	1	1	0
95	11/27	put	45	61	+16
100	11/27	call	15	15	0
100	11/27	put	44	55	+11
101	11/27	call	2	2	0
101	11/27	put	3	3	0
102	11/27	call	1	1	0
102	11/27	put	3	4	+1
103	11/27	call	3	3	0
103	11/27	put	35	35	0
104	11/27	put	11	11	0
105	11/27	call	13	17	+4
105	11/27	put	16	16	0
106	11/27	call	1	1	0
106	11/27	put	6	6	0
107	11/27	call	7	8	+1
107	11/27	put	8	8	0
108	11/27	call	15	15	0
108	11/27	put	5	7	+2
109	11/27	call	20	20	0
110	11/27	call	40	42	+2
110	11/27	put	1	1	0
111	11/27	call	3	3	0
112	11/27	call	20	20	0
112	11/27	put	2	2	0
113	11/27	call	19	19	0
113	11/27	put	2	3	+1
114	11/27	call	2	2	0
114	11/27	put	3	3	0
115	11/27	call	21	21	0
115	11/27	put	3	3	0
116	11/27	call	5	5	0
116	11/27	put	13	13	0
117	11/27	call	2	2	0
117	11/27	put	21	21	0
118	11/27	call	17	17	0
118	11/27	put	1	1	0
119	11/27	call	3	4	+1
120	11/27	call	53	55	+2
120	11/27	put	14	14	0
121	11/27	call	4	12	+8
121	11/27	put	15	15	0
122	11/27	call	1	3	+2
123	11/27	call	66	66	0
124	11/27	call	5	5	0
125	11/27	call	82	86	+4
126	11/27	call	70	70	0
127	11/27	call	19	19	0
128	11/27	call	2	6	+4
129	11/27	call	2	2	0
130	11/27	call	8	8	0
131	11/27	call	17	17	0
135	11/27	call	18	18	0
140	11/27	call	2	2	0
145	11/27	call	1	1	0

Later expirations (2026-12-18, 2027-01-15, 2027-03-19, 2027-04-16, 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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