ZION Options Open Interest by Strike, Oct 21 Settlement

ZION 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 8 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, 234 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 53 to 79. Source: SquawkFlow's archive of settled open interest. Counts are contracts, not trades; they do not identify which side opened or closed a position.

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

Strike	Expiry	Type	Prior OI	Settled OI	Change
57.5	01/15	put	52	603	+551
70	11/20	put	108	233	+125
70	12/18	call	0	66	+66
75	02/19	call	133	188	+55
65	11/20	put	328	284	-44
67.5	11/20	call	654	695	+41
67.5	01/15	put	16	44	+28
55	11/20	put	1,027	1,002	-25
70	04/16	call	203	228	+25
50	11/20	put	64	82	+18
65	11/20	call	721	739	+18
60	11/20	call	2,039	2,022	-17
65	12/18	put	0	17	+17
60	11/20	put	623	632	+9
67.5	01/15	call	447	455	+8

Expiration 2026-11-20

ZION open interest, settled 2026-10-21, expiration 2026-11-20, strikes 27.5 to 85

Strike	Expiry	Type	Prior OI	Settled OI	Change
27.5	11/20	put	27	27	0
30	11/20	put	1	1	0
32.5	11/20	put	3	3	0
35	11/20	put	7	7	0
37.5	11/20	put	12	12	0
40	11/20	put	16	16	0
42.5	11/20	put	20	20	0
45	11/20	call	2	2	0
45	11/20	put	32	32	0
47.5	11/20	put	395	395	0
50	11/20	call	11	11	0
50	11/20	put	64	82	+18
52.5	11/20	call	1	1	0
52.5	11/20	put	80	81	+1
55	11/20	call	9	9	0
55	11/20	put	1,027	1,002	-25
57.5	11/20	call	39	39	0
57.5	11/20	put	566	567	+1
60	11/20	call	2,039	2,022	-17
60	11/20	put	623	632	+9
62.5	11/20	call	163	162	-1
62.5	11/20	put	353	352	-1
65	11/20	call	721	739	+18
65	11/20	put	328	284	-44
67.5	11/20	call	654	695	+41
67.5	11/20	put	216	219	+3
70	11/20	call	678	685	+7
70	11/20	put	108	233	+125
72.5	11/20	call	324	324	0
72.5	11/20	put	14	14	0
75	11/20	call	2,430	2,427	-3
77.5	11/20	call	106	106	0
80	11/20	call	167	167	0
80	11/20	put	3	3	0
82.5	11/20	call	65	65	0
85	11/20	call	7	7	0

Expiration 2026-12-18

ZION open interest, settled 2026-10-21, expiration 2026-12-18, strikes 52.5 to 75

Strike	Expiry	Type	Prior OI	Settled OI	Change
52.5	12/18	put	0	3	+3
55	12/18	put	19	20	+1
57.5	12/18	put	2	4	+2
62.5	12/18	put	1	1	0
65	12/18	call	0	1	+1
65	12/18	put	0	17	+17
70	12/18	call	0	66	+66
75	12/18	call	0	1	+1

Expiration 2027-01-15

ZION open interest, settled 2026-10-21, expiration 2027-01-15, strikes 22.5 to 95

Strike	Expiry	Type	Prior OI	Settled OI	Change
22.5	01/15	put	77	77	0
25	01/15	put	147	147	0
27.5	01/15	put	33	33	0
30	01/15	put	125	125	0
32.5	01/15	put	49	49	0
35	01/15	call	6	6	0
35	01/15	put	453	453	0
37.5	01/15	call	5	5	0
37.5	01/15	put	69	69	0
40	01/15	call	123	123	0
40	01/15	put	592	592	0
42.5	01/15	call	4	4	0
42.5	01/15	put	31	31	0
45	01/15	call	115	115	0
45	01/15	put	330	330	0
47.5	01/15	call	36	36	0
47.5	01/15	put	1,117	1,117	0
50	01/15	call	71	71	0
50	01/15	put	157	157	0
52.5	01/15	call	43	43	0
52.5	01/15	put	410	412	+2
55	01/15	call	54	54	0
55	01/15	put	601	602	+1
57.5	01/15	call	32	32	0
57.5	01/15	put	52	603	+551
60	01/15	call	221	221	0
60	01/15	put	1,113	1,113	0
62.5	01/15	call	53	53	0
62.5	01/15	put	324	324	0
65	01/15	call	93	93	0
65	01/15	put	164	164	0
67.5	01/15	call	447	455	+8
67.5	01/15	put	16	44	+28
70	01/15	call	1,327	1,328	+1
70	01/15	put	37	37	0
72.5	01/15	call	461	461	0
72.5	01/15	put	1	1	0
75	01/15	call	318	317	-1
77.5	01/15	call	21	21	0
80	01/15	call	304	303	-1
85	01/15	call	110	110	0
90	01/15	call	23	23	0
95	01/15	call	1	1	0

Expiration 2027-02-19

ZION open interest, settled 2026-10-21, expiration 2027-02-19, strikes 37.5 to 80

Strike	Expiry	Type	Prior OI	Settled OI	Change
37.5	02/19	put	5	6	+1
40	02/19	call	8	8	0
40	02/19	put	2	2	0
42.5	02/19	put	9	9	0
45	02/19	put	2	2	0
47.5	02/19	put	5	5	0
50	02/19	put	1	1	0
55	02/19	call	1	1	0
55	02/19	put	147	147	0
57.5	02/19	put	19	19	0
60	02/19	call	11	11	0
60	02/19	put	60	60	0
62.5	02/19	call	96	96	0
62.5	02/19	put	2,196	2,196	0
65	02/19	call	38	38	0
65	02/19	put	238	238	0
67.5	02/19	call	327	327	0
67.5	02/19	put	131	131	0
70	02/19	call	305	305	0
70	02/19	put	152	152	0
72.5	02/19	call	207	207	0
72.5	02/19	put	19	19	0
75	02/19	call	133	188	+55
75	02/19	put	47	47	0
77.5	02/19	call	47	47	0
80	02/19	call	296	296	0

Expiration 2027-04-16

ZION open interest, settled 2026-10-21, expiration 2027-04-16, strikes 40 to 80

Strike	Expiry	Type	Prior OI	Settled OI	Change
40	04/16	put	13	13	0
42.5	04/16	put	16	16	0
45	04/16	put	4	4	0
47.5	04/16	put	1	1	0
50	04/16	put	32	32	0
55	04/16	call	15	15	0
55	04/16	put	4	4	0
60	04/16	put	4	4	0
62.5	04/16	call	12	12	0
62.5	04/16	put	260	260	0
65	04/16	call	9	9	0
65	04/16	put	3	3	0
67.5	04/16	call	3	3	0
67.5	04/16	put	46	46	0
70	04/16	call	203	228	+25
70	04/16	put	11	11	0
72.5	04/16	call	151	151	0
72.5	04/16	put	2	2	0
75	04/16	call	51	51	0
77.5	04/16	call	109	109	0
80	04/16	call	97	97	0

Expiration 2027-05-21

ZION open interest, settled 2026-10-21, expiration 2027-05-21, strikes 35 to 85

Strike	Expiry	Type	Prior OI	Settled OI	Change
35	05/21	call	8	8	0
37.5	05/21	put	2	2	0
40	05/21	put	13	13	0
42.5	05/21	call	2	2	0
42.5	05/21	put	7	7	0
45	05/21	put	17	17	0
47.5	05/21	put	52	52	0
50	05/21	put	1	1	0
52.5	05/21	put	1	1	0
55	05/21	call	1	1	0
55	05/21	put	8	8	0
57.5	05/21	call	10	10	0
60	05/21	call	45	45	0
60	05/21	put	10	10	0
62.5	05/21	call	2	2	0
62.5	05/21	put	1	1	0
65	05/21	put	18	18	0
67.5	05/21	call	10	10	0
67.5	05/21	put	18	18	0
70	05/21	call	5	5	0
70	05/21	put	38	38	0
72.5	05/21	call	2	2	0
75	05/21	call	15	15	0
77.5	05/21	call	5	7	+2
80	05/21	call	53	53	0
85	05/21	call	1	1	0

Later expirations (2028-01-21, 2028-12-15) and all other strikes are in the Markdown table.

Markdown table | Open interest changes across symbols

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