GPN Options Open Interest by Strike, Oct 21 Settlement

GPN 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 12 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, 370 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 67 to 100. Source: SquawkFlow's archive of settled open interest. Counts are contracts, not trades; they do not identify which side opened or closed a position.

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

Strike	Expiry	Type	Prior OI	Settled OI	Change
92.5	11/20	call	211	682	+471
85	01/21	put	131	212	+81
82.5	01/21	put	0	45	+45
95	12/18	call	3,170	3,136	-34
105	12/18	call	189	222	+33
100	11/20	call	807	839	+32
77.5	11/20	put	67	88	+21
75	01/15	put	213	231	+18
100	12/18	call	481	494	+13
82.5	11/20	put	14	25	+11
75	11/20	put	309	319	+10
90	11/20	call	982	990	+8
90	12/18	call	158	164	+6
95	11/20	call	323	328	+5
72.5	12/18	put	97	101	+4

Expiration 2026-11-20

GPN open interest, settled 2026-10-21, expiration 2026-11-20, strikes 35 to 140

Strike	Expiry	Type	Prior OI	Settled OI	Change
35	11/20	put	43	43	0
40	11/20	put	16	16	0
45	11/20	put	12	12	0
50	11/20	put	42	42	0
55	11/20	put	1,121	1,122	+1
60	11/20	call	8	8	0
60	11/20	put	603	603	0
62.5	11/20	call	5	5	0
62.5	11/20	put	17	17	0
65	11/20	call	14	14	0
65	11/20	put	153	153	0
67.5	11/20	call	32	32	0
67.5	11/20	put	11	11	0
70	11/20	call	342	342	0
70	11/20	put	330	329	-1
72.5	11/20	call	2	2	0
72.5	11/20	put	91	91	0
75	11/20	call	64	64	0
75	11/20	put	309	319	+10
77.5	11/20	call	49	49	0
77.5	11/20	put	67	88	+21
80	11/20	call	522	522	0
80	11/20	put	668	668	0
82.5	11/20	call	756	756	0
82.5	11/20	put	14	25	+11
85	11/20	call	3,333	3,333	0
85	11/20	put	164	164	0
87.5	11/20	call	214	215	+1
87.5	11/20	put	1	1	0
90	11/20	call	982	990	+8
90	11/20	put	74	74	0
92.5	11/20	call	211	682	+471
95	11/20	call	323	328	+5
95	11/20	put	1	1	0
100	11/20	call	807	839	+32
100	11/20	put	17	17	0
105	11/20	call	145	145	0
105	11/20	put	1	1	0
110	11/20	call	197	197	0
115	11/20	call	118	118	0
120	11/20	call	260	260	0
125	11/20	call	113	113	0
130	11/20	call	9	9	0
135	11/20	call	98	98	0
140	11/20	call	3	3	0

Expiration 2026-12-18

GPN open interest, settled 2026-10-21, expiration 2026-12-18, strikes 35 to 140

Strike	Expiry	Type	Prior OI	Settled OI	Change
35	12/18	put	4	4	0
40	12/18	call	1	1	0
40	12/18	put	77	77	0
45	12/18	put	29	29	0
50	12/18	call	7	7	0
50	12/18	put	50	50	0
55	12/18	call	4	4	0
55	12/18	put	37	37	0
60	12/18	call	8	8	0
60	12/18	put	119	119	0
62.5	12/18	put	43	43	0
65	12/18	call	5	5	0
65	12/18	put	114	114	0
67.5	12/18	call	3	3	0
67.5	12/18	put	58	57	-1
70	12/18	call	55	55	0
70	12/18	put	508	508	0
72.5	12/18	call	14	14	0
72.5	12/18	put	97	101	+4
75	12/18	call	39	39	0
75	12/18	put	213	213	0
77.5	12/18	call	58	58	0
77.5	12/18	put	37	37	0
80	12/18	call	168	168	0
80	12/18	put	85	85	0
82.5	12/18	put	206	206	0
85	12/18	call	140	140	0
85	12/18	put	96	96	0
87.5	12/18	call	7	8	+1
87.5	12/18	put	71	71	0
90	12/18	call	158	164	+6
90	12/18	put	332	332	0
92.5	12/18	call	9	9	0
95	12/18	call	3,170	3,136	-34
95	12/18	put	37	37	0
100	12/18	call	481	494	+13
100	12/18	put	11	11	0
105	12/18	call	189	222	+33
105	12/18	put	1	1	0
110	12/18	call	42	42	0
110	12/18	put	1	1	0
115	12/18	call	31	31	0
120	12/18	call	43	43	0
125	12/18	call	341	341	0
130	12/18	call	52	52	0
135	12/18	call	1	1	0
140	12/18	call	1	1	0

Expiration 2027-01-15

GPN open interest, settled 2026-10-21, expiration 2027-01-15, strikes 35 to 175

Strike	Expiry	Type	Prior OI	Settled OI	Change
35	01/15	call	21	21	0
35	01/15	put	24	24	0
40	01/15	call	60	60	0
40	01/15	put	158	158	0
45	01/15	call	2	2	0
45	01/15	put	41	41	0
50	01/15	call	169	169	0
50	01/15	put	128	128	0
55	01/15	call	8	8	0
55	01/15	put	218	218	0
60	01/15	call	77	77	0
60	01/15	put	2,980	2,980	0
62.5	01/15	call	29	29	0
62.5	01/15	put	180	179	-1
65	01/15	call	68	68	0
65	01/15	put	661	661	0
67.5	01/15	call	8	8	0
67.5	01/15	put	38	38	0
70	01/15	call	132	132	0
70	01/15	put	154	154	0
72.5	01/15	call	35	35	0
72.5	01/15	put	526	526	0
75	01/15	call	133	133	0
75	01/15	put	213	231	+18
77.5	01/15	call	45	45	0
77.5	01/15	put	98	98	0
80	01/15	call	843	843	0
80	01/15	put	529	529	0
82.5	01/15	call	13	13	0
82.5	01/15	put	12	12	0
85	01/15	call	571	571	0
85	01/15	put	1,334	1,334	0
87.5	01/15	call	2	2	0
87.5	01/15	put	18	19	+1
90	01/15	call	705	705	0
90	01/15	put	49	49	0
92.5	01/15	call	94	96	+2
95	01/15	call	2,734	2,734	0
95	01/15	put	81	81	0
100	01/15	call	8,683	8,683	0
100	01/15	put	32	32	0
105	01/15	call	679	680	+1
105	01/15	put	1,261	1,261	0
110	01/15	call	1,932	1,932	0
110	01/15	put	5	5	0
115	01/15	call	2,329	2,329	0
120	01/15	call	2,536	2,536	0
125	01/15	call	37	37	0
130	01/15	call	103	103	0
135	01/15	call	2,045	2,045	0
140	01/15	call	124	124	0
145	01/15	call	286	286	0
150	01/15	call	348	348	0
155	01/15	call	29	29	0
160	01/15	call	9	9	0
165	01/15	call	4	4	0
170	01/15	call	22	22	0
175	01/15	call	8	8	0

Expiration 2027-02-19

GPN open interest, settled 2026-10-21, expiration 2027-02-19, strikes 35 to 140

Strike	Expiry	Type	Prior OI	Settled OI
35	02/19	put	43	43
40	02/19	put	1	1
45	02/19	put	17	17
47.5	02/19	put	8	8
50	02/19	put	2	2
55	02/19	put	13	13
57.5	02/19	put	3	3
60	02/19	put	90	90
62.5	02/19	put	4	4
65	02/19	put	5	5
67.5	02/19	put	3	3
70	02/19	call	1	1
70	02/19	put	6	6
72.5	02/19	put	2	2
75	02/19	put	2	2
77.5	02/19	put	1	1
80	02/19	put	1	1
85	02/19	call	19	19
85	02/19	put	1	1
87.5	02/19	call	1	1
90	02/19	call	34	34
92.5	02/19	call	72	72
95	02/19	call	67	67
100	02/19	call	18	18
105	02/19	call	157	157
110	02/19	call	23	23
115	02/19	call	89	89
120	02/19	call	167	167
125	02/19	call	17	17
140	02/19	call	7	7

Expiration 2027-03-19

GPN open interest, settled 2026-10-21, expiration 2027-03-19, strikes 35 to 135

Strike	Expiry	Type	Prior OI	Settled OI
35	03/19	put	30	30
40	03/19	put	31	31
45	03/19	put	19	19
50	03/19	put	38	38
55	03/19	put	56	56
60	03/19	call	51	51
60	03/19	put	143	143
62.5	03/19	put	20	20
65	03/19	call	41	41
65	03/19	put	61	61
67.5	03/19	call	24	24
67.5	03/19	put	298	298
70	03/19	call	2,171	2,171
70	03/19	put	26	26
72.5	03/19	call	4	4
72.5	03/19	put	42	42
75	03/19	call	123	123
75	03/19	put	743	743
77.5	03/19	call	38	38
77.5	03/19	put	48	48
80	03/19	call	30	30
80	03/19	put	9	9
82.5	03/19	call	1	1
82.5	03/19	put	6	6
85	03/19	call	87	87
85	03/19	put	613	613
87.5	03/19	call	1	1
87.5	03/19	put	13	13
90	03/19	call	3,624	3,624
90	03/19	put	9	9
95	03/19	call	138	138
95	03/19	put	41	41
100	03/19	call	4,576	4,576
105	03/19	call	30	30
110	03/19	call	400	400
115	03/19	call	2	2
120	03/19	call	80	80
130	03/19	call	53	53
135	03/19	call	4	4

Expiration 2027-05-21

GPN open interest, settled 2026-10-21, expiration 2027-05-21, strikes 42.5 to 125

Strike	Expiry	Type	Prior OI	Settled OI
42.5	05/21	put	1	1
60	05/21	put	1	1
65	05/21	put	11	11
70	05/21	put	1	1
80	05/21	call	1	1
85	05/21	put	1	1
95	05/21	call	1	1
100	05/21	call	2	2
125	05/21	call	1	1

Later expirations (2027-06-17, 2027-09-17, 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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