XLB Options Open Interest by Strike, Oct 21 Settlement

XLB 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, 557 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 41 to 62. Source: SquawkFlow's archive of settled open interest. Counts are contracts, not trades; they do not identify which side opened or closed a position.

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

Strike	Expiry	Type	Prior OI	Settled OI	Change
55	01/15	call	4,653	10,494	+5,841
49	10/30	put	65	251	+186
48	10/30	put	1,128	1,275	+147
51	11/20	call	4,063	4,201	+138
49	11/20	put	4,152	4,289	+137
52	11/06	put	93	185	+92
52	10/30	call	1,127	1,193	+66
51	11/20	put	352	405	+53
50.5	10/23	call	412	462	+50
50.5	10/23	put	100	149	+49
52	10/23	call	131	180	+49
50	10/23	put	446	491	+45
53.5	11/20	call	83	125	+42
51.5	10/23	call	968	928	-40
51.5	10/23	put	21	59	+38

Expiration 2026-10-23

XLB open interest, settled 2026-10-21, expiration 2026-10-23, strikes 30 to 60

Strike	Expiry	Type	Prior OI	Settled OI	Change
30	10/23	call	2	3	+1
35	10/23	call	1	1	0
40	10/23	call	18	16	-2
41	10/23	call	18	16	-2
42	10/23	call	9	9	0
42	10/23	put	5	5	0
43	10/23	call	9	9	0
44	10/23	call	3	3	0
44	10/23	put	2	2	0
45	10/23	call	3	3	0
45	10/23	put	2	2	0
46	10/23	call	8	8	0
46	10/23	put	1	1	0
46.5	10/23	call	13	15	+2
46.5	10/23	put	6	6	0
47	10/23	call	9	9	0
47	10/23	put	397	397	0
47.5	10/23	call	9	9	0
47.5	10/23	put	1,270	1,268	-2
48	10/23	call	9	9	0
48	10/23	put	228	228	0
48.5	10/23	call	9	12	+3
48.5	10/23	put	615	614	-1
49	10/23	call	93	102	+9
49	10/23	put	28	26	-2
49.5	10/23	call	194	193	-1
49.5	10/23	put	135	135	0
50	10/23	call	348	349	+1
50	10/23	put	446	491	+45
50.5	10/23	call	412	462	+50
50.5	10/23	put	100	149	+49
51	10/23	call	302	298	-4
51	10/23	put	96	131	+35
51.5	10/23	call	968	928	-40
51.5	10/23	put	21	59	+38
52	10/23	call	131	180	+49
52	10/23	put	52	60	+8
52.5	10/23	call	990	990	0
52.5	10/23	put	1	1	0
53	10/23	call	265	265	0
53	10/23	put	2	2	0
53.5	10/23	call	9	9	0
53.5	10/23	put	1	1	0
54	10/23	call	3	3	0
54.5	10/23	call	1	1	0
55	10/23	call	1	1	0
55.5	10/23	call	1	1	0
56	10/23	put	0	1	+1
56.5	10/23	call	1	1	0
57	10/23	call	1	1	0
57	10/23	put	0	1	+1
57.5	10/23	put	12	1	-11
58	10/23	put	0	1	+1
58.5	10/23	put	5	5	0
59	10/23	put	24	10	-14
59.5	10/23	put	79	79	0
60	10/23	put	3	4	+1

Expiration 2026-10-30

XLB open interest, settled 2026-10-21, expiration 2026-10-30, strikes 40 to 55.5

Strike	Expiry	Type	Prior OI	Settled OI	Change
40	10/30	put	3	3	0
42	10/30	put	1	1	0
44	10/30	put	4	4	0
45	10/30	put	5	5	0
46	10/30	put	2	2	0
46.5	10/30	put	17	16	-1
47	10/30	call	1	1	0
47	10/30	put	126	126	0
47.5	10/30	call	107	107	0
47.5	10/30	put	52	52	0
48	10/30	put	1,128	1,275	+147
48.5	10/30	call	5	5	0
48.5	10/30	put	22	22	0
49	10/30	call	56	56	0
49	10/30	put	65	251	+186
49.5	10/30	call	41	41	0
49.5	10/30	put	77	78	+1
50	10/30	call	13	13	0
50	10/30	put	540	540	0
50.5	10/30	call	42	39	-3
50.5	10/30	put	10	12	+2
51	10/30	call	908	900	-8
51	10/30	put	165	165	0
51.5	10/30	call	197	203	+6
51.5	10/30	put	60	62	+2
52	10/30	call	1,127	1,193	+66
52	10/30	put	54	54	0
52.5	10/30	call	215	221	+6
52.5	10/30	put	1	1	0
53	10/30	call	240	240	0
53	10/30	put	1	1	0
53.5	10/30	call	92	92	0
53.5	10/30	put	5	5	0
54	10/30	call	1	1	0
54.5	10/30	call	1	1	0
54.5	10/30	put	1	0	-1
55	10/30	call	13	13	0
55.5	10/30	call	2	2	0

Expiration 2026-11-06

XLB open interest, settled 2026-10-21, expiration 2026-11-06, strikes 43 to 55

Strike	Expiry	Type	Prior OI	Settled OI	Change
43	11/06	put	1	1	0
44	11/06	put	1	1	0
44.5	11/06	put	1	1	0
45	11/06	put	4	4	0
45.5	11/06	put	1	1	0
46	11/06	put	9	9	0
46.5	11/06	put	809	809	0
47	11/06	put	144	144	0
47.5	11/06	put	1	1	0
48	11/06	call	1	1	0
48	11/06	put	35	42	+7
48.5	11/06	call	2	2	0
48.5	11/06	put	12	7	-5
49	11/06	call	44	44	0
49	11/06	put	7	10	+3
49.5	11/06	call	120	120	0
49.5	11/06	put	53	53	0
50	11/06	call	13	13	0
50	11/06	put	1	1	0
50.5	11/06	call	68	68	0
50.5	11/06	put	2	6	+4
51	11/06	call	22	22	0
51	11/06	put	26	25	-1
51.5	11/06	call	54	56	+2
51.5	11/06	put	51	51	0
52	11/06	call	52	52	0
52	11/06	put	93	185	+92
53	11/06	call	4	4	0
53.5	11/06	call	5	5	0
54	11/06	call	5	5	0
55	11/06	call	10	10	0

Expiration 2026-11-13

XLB open interest, settled 2026-10-21, expiration 2026-11-13, strikes 42 to 55

Strike	Expiry	Type	Prior OI	Settled OI	Change
42	11/13	put	3	3	0
43	11/13	put	1	1	0
44	11/13	put	3	3	0
45	11/13	put	5	5	0
45.5	11/13	put	2	2	0
46	11/13	put	2	2	0
46.5	11/13	put	10	10	0
47	11/13	put	4	4	0
47.5	11/13	put	2	2	0
48	11/13	call	49	49	0
48	11/13	put	12	13	+1
48.5	11/13	put	1	5	+4
49	11/13	call	4	4	0
49	11/13	put	32	32	0
49.5	11/13	call	4	4	0
49.5	11/13	put	36	36	0
50	11/13	call	10	9	-1
50	11/13	put	20	20	0
50.5	11/13	call	14	14	0
50.5	11/13	put	13	13	0
51	11/13	call	2	3	+1
51	11/13	put	18	19	+1
51.5	11/13	call	12	13	+1
51.5	11/13	put	3	3	0
52	11/13	call	4	4	0
52.5	11/13	call	4	5	+1
53	11/13	call	11	11	0
54	11/13	call	0	1	+1
55	11/13	call	6	6	0

Expiration 2026-11-20

XLB open interest, settled 2026-10-21, expiration 2026-11-20, strikes 35 to 65

Strike	Expiry	Type	Prior OI	Settled OI	Change
35	11/20	call	1	1	0
36	11/20	put	1	1	0
40	11/20	put	3	3	0
43	11/20	put	1	1	0
44	11/20	put	29	29	0
45	11/20	call	20	20	0
45	11/20	put	125	125	0
46	11/20	call	11	11	0
46	11/20	put	24	23	-1
46.5	11/20	call	3	3	0
46.5	11/20	put	2	2	0
47	11/20	call	134	134	0
47	11/20	put	1,452	1,449	-3
47.5	11/20	put	1	1	0
48	11/20	call	228	228	0
48	11/20	put	138	138	0
48.5	11/20	put	21	21	0
49	11/20	call	80	80	0
49	11/20	put	4,152	4,289	+137
49.5	11/20	put	0	2	+2
50	11/20	call	2,143	2,141	-2
50	11/20	put	1,641	1,639	-2
50.5	11/20	put	8	13	+5
51	11/20	call	4,063	4,201	+138
51	11/20	put	352	405	+53
51.5	11/20	call	77	114	+37
52	11/20	call	734	734	0
52	11/20	put	8	8	0
52.5	11/20	call	10	18	+8
53	11/20	call	823	848	+25
53.5	11/20	call	83	125	+42
54	11/20	call	249	281	+32
54.5	11/20	put	3	3	0
55	11/20	call	2,773	2,778	+5
56	11/20	call	2	2	0
65	11/20	call	10	10	0

Expiration 2026-11-27

XLB open interest, settled 2026-10-21, expiration 2026-11-27, strikes 45 to 53.5

Strike	Expiry	Type	Prior OI	Settled OI	Change
45	11/27	put	1	1	0
45.5	11/27	put	2	2	0
46	11/27	put	55	55	0
47	11/27	put	6	6	0
47.5	11/27	put	7	7	0
49	11/27	put	50	50	0
49.5	11/27	call	87	87	0
49.5	11/27	put	1	1	0
50	11/27	call	1	6	+5
50	11/27	put	3	3	0
50.5	11/27	put	1	1	0
51	11/27	call	0	1	+1
51	11/27	put	1	1	0
51.5	11/27	call	5	5	0
52	11/27	call	3	3	0
53.5	11/27	call	2	2	0

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

Markdown table | Open interest changes across symbols

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