MDT Options Open Interest by Strike, Oct 21 Settlement

MDT 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 15 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, 627 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 74 to 112. Source: SquawkFlow's archive of settled open interest. Counts are contracts, not trades; they do not identify which side opened or closed a position.

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

Strike	Expiry	Type	Prior OI	Settled OI	Change
105	12/18	call	1,816	2,076	+260
98	11/06	call	51	257	+206
92	10/23	put	165	368	+203
92	11/06	put	128	293	+165
100	11/20	call	5,000	5,149	+149
95	11/06	put	173	315	+142
93	11/27	call	1	101	+100
95	12/18	call	2,006	2,104	+98
94	10/23	call	573	477	-96
96	10/23	call	263	359	+96
89	11/06	put	14	84	+70
90	12/18	put	11,218	11,160	-58
100	06/17	call	1,456	1,512	+56
84	10/30	put	33	84	+51
80	01/21	put	426	472	+46

Expiration 2026-10-23

MDT open interest, settled 2026-10-21, expiration 2026-10-23, strikes 60 to 115

Strike	Expiry	Type	Prior OI	Settled OI	Change
60	10/23	put	2	2	0
65	10/23	put	2	2	0
75	10/23	put	32	32	0
77	10/23	put	12	12	0
78	10/23	call	1	1	0
78	10/23	put	1	1	0
79	10/23	call	2	3	+1
79	10/23	put	3	3	0
80	10/23	call	2	3	+1
80	10/23	put	45	45	0
81	10/23	put	151	151	0
82	10/23	call	5	6	+1
82	10/23	put	10	10	0
83	10/23	call	18	20	+2
83	10/23	put	19	19	0
84	10/23	call	2	2	0
84	10/23	put	149	149	0
85	10/23	call	90	91	+1
85	10/23	put	82	82	0
86	10/23	call	16	16	0
86	10/23	put	37	37	0
87	10/23	call	80	80	0
87	10/23	put	172	172	0
88	10/23	call	79	78	-1
88	10/23	put	77	78	+1
89	10/23	call	26	26	0
89	10/23	put	213	212	-1
90	10/23	call	128	127	-1
90	10/23	put	322	321	-1
91	10/23	call	54	54	0
91	10/23	put	55	55	0
92	10/23	call	274	274	0
92	10/23	put	165	368	+203
93	10/23	call	226	221	-5
93	10/23	put	166	137	-29
94	10/23	call	573	477	-96
94	10/23	put	599	594	-5
95	10/23	call	1,855	1,858	+3
95	10/23	put	6	6	0
96	10/23	call	263	359	+96
96	10/23	put	95	75	-20
97	10/23	call	470	473	+3
97	10/23	put	8	5	-3
98	10/23	call	1,181	1,181	0
98	10/23	put	1	0	-1
99	10/23	call	135	135	0
99	10/23	put	2	2	0
100	10/23	call	282	282	0
100	10/23	put	1	1	0
101	10/23	call	43	43	0
102	10/23	call	13	13	0
102	10/23	put	0	1	+1
103	10/23	call	1	1	0
104	10/23	call	2	2	0
105	10/23	call	1	1	0
110	10/23	call	221	221	0
115	10/23	call	4	4	0

Expiration 2026-10-30

MDT open interest, settled 2026-10-21, expiration 2026-10-30, strikes 75 to 110

Strike	Expiry	Type	Prior OI	Settled OI	Change
75	10/30	put	81	81	0
78	10/30	put	2	2	0
80	10/30	put	33	42	+9
81	10/30	put	63	63	0
82	10/30	put	25	25	0
83	10/30	put	62	62	0
84	10/30	call	1	1	0
84	10/30	put	33	84	+51
85	10/30	call	100	100	0
85	10/30	put	308	308	0
86	10/30	call	7	7	0
86	10/30	put	51	61	+10
87	10/30	call	86	86	0
87	10/30	put	1,097	1,095	-2
88	10/30	call	208	208	0
88	10/30	put	89	89	0
89	10/30	call	60	60	0
89	10/30	put	52	52	0
90	10/30	call	113	109	-4
90	10/30	put	1,095	1,098	+3
91	10/30	call	25	25	0
91	10/30	put	355	355	0
92	10/30	call	262	259	-3
92	10/30	put	29	31	+2
93	10/30	call	38	38	0
93	10/30	put	89	109	+20
94	10/30	call	82	83	+1
94	10/30	put	1,073	1,078	+5
95	10/30	call	568	572	+4
95	10/30	put	607	612	+5
96	10/30	call	302	282	-20
96	10/30	put	102	103	+1
97	10/30	call	64	67	+3
97	10/30	put	33	33	0
98	10/30	call	331	363	+32
98	10/30	put	6	6	0
99	10/30	call	376	376	0
100	10/30	call	166	167	+1
100	10/30	put	20	20	0
101	10/30	call	80	80	0
101	10/30	put	1	1	0
102	10/30	call	1	31	+30
105	10/30	call	2	2	0
105	10/30	put	1	0	-1
110	10/30	call	1	1	0

Expiration 2026-11-06

MDT open interest, settled 2026-10-21, expiration 2026-11-06, strikes 70 to 105

Strike	Expiry	Type	Prior OI	Settled OI	Change
70	11/06	put	11	11	0
75	11/06	put	3	3	0
77	11/06	put	2	2	0
78	11/06	put	3	3	0
79	11/06	put	8	8	0
80	11/06	put	32	32	0
81	11/06	put	58	58	0
82	11/06	put	9	9	0
83	11/06	put	42	42	0
84	11/06	call	12	12	0
84	11/06	put	25	25	0
85	11/06	call	4	4	0
85	11/06	put	51	51	0
86	11/06	put	29	29	0
87	11/06	call	27	32	+5
87	11/06	put	46	46	0
88	11/06	call	1	1	0
88	11/06	put	76	76	0
89	11/06	call	51	51	0
89	11/06	put	14	84	+70
90	11/06	call	16	20	+4
90	11/06	put	164	196	+32
91	11/06	call	12	23	+11
91	11/06	put	97	119	+22
92	11/06	call	3	3	0
92	11/06	put	128	293	+165
93	11/06	call	29	29	0
93	11/06	put	297	298	+1
94	11/06	call	34	34	0
94	11/06	put	115	120	+5
95	11/06	call	87	87	0
95	11/06	put	173	315	+142
96	11/06	call	38	39	+1
96	11/06	put	154	154	0
97	11/06	call	54	54	0
97	11/06	put	8	8	0
98	11/06	call	51	257	+206
99	11/06	call	145	163	+18
100	11/06	call	90	90	0
101	11/06	call	14	14	0
104	11/06	call	20	20	0
105	11/06	call	20	60	+40

Expiration 2026-11-13

MDT open interest, settled 2026-10-21, expiration 2026-11-13, strikes 75 to 110

Strike	Expiry	Type	Prior OI	Settled OI	Change
75	11/13	put	3	3	0
78	11/13	put	7	7	0
79	11/13	put	6	6	0
80	11/13	put	11	11	0
81	11/13	put	2	2	0
82	11/13	put	10	10	0
83	11/13	put	13	13	0
84	11/13	put	34	34	0
85	11/13	put	37	37	0
86	11/13	put	5	5	0
87	11/13	call	1	1	0
87	11/13	put	4	4	0
88	11/13	call	580	580	0
88	11/13	put	87	92	+5
89	11/13	put	341	341	0
90	11/13	call	15	15	0
90	11/13	put	59	60	+1
91	11/13	call	8	8	0
91	11/13	put	24	25	+1
92	11/13	call	155	155	0
92	11/13	put	36	36	0
93	11/13	call	30	30	0
93	11/13	put	50	50	0
94	11/13	call	16	30	+14
94	11/13	put	3	18	+15
95	11/13	call	25	25	0
95	11/13	put	20	20	0
96	11/13	call	33	33	0
97	11/13	call	1	1	0
98	11/13	call	15	15	0
99	11/13	call	10	10	0
100	11/13	call	148	155	+7
101	11/13	call	1	1	0
102	11/13	call	144	144	0
104	11/13	call	1	1	0
105	11/13	call	4	4	0
110	11/13	call	1	1	0

Expiration 2026-11-20

MDT open interest, settled 2026-10-21, expiration 2026-11-20, strikes 50 to 125

Strike	Expiry	Type	Prior OI	Settled OI	Change
50	11/20	put	1	1	0
55	11/20	put	25	25	0
60	11/20	call	4	4	0
60	11/20	put	2,538	2,538	0
65	11/20	call	7	7	0
65	11/20	put	337	337	0
67.5	11/20	put	342	342	0
70	11/20	put	238	238	0
72.5	11/20	put	500	500	0
75	11/20	call	304	304	0
75	11/20	put	575	575	0
77.5	11/20	call	108	108	0
77.5	11/20	put	583	583	0
80	11/20	call	147	147	0
80	11/20	put	1,397	1,397	0
82	11/20	put	1	1	0
82.5	11/20	call	715	714	-1
82.5	11/20	put	1,661	1,661	0
85	11/20	call	769	764	-5
85	11/20	put	1,618	1,618	0
87	11/20	put	1	1	0
87.5	11/20	call	1,066	1,063	-3
87.5	11/20	put	1,025	1,025	0
88	11/20	put	0	30	+30
89	11/20	call	5	6	+1
89	11/20	put	10	11	+1
90	11/20	call	2,078	2,073	-5
90	11/20	put	1,871	1,872	+1
92	11/20	call	7	7	0
92	11/20	put	2	2	0
92.5	11/20	call	2,609	2,606	-3
92.5	11/20	put	2,678	2,678	0
93	11/20	call	9	9	0
93	11/20	put	0	21	+21
94	11/20	call	1,859	1,859	0
94	11/20	put	12	12	0
95	11/20	call	3,674	3,680	+6
95	11/20	put	1,197	1,197	0
96	11/20	call	470	475	+5
97	11/20	call	35	35	0
97.5	11/20	call	2,477	2,480	+3
97.5	11/20	put	306	306	0
98	11/20	call	38	38	0
100	11/20	call	5,000	5,149	+149
100	11/20	put	91	91	0
101	11/20	call	6	14	+8
102	11/20	call	14	14	0
105	11/20	call	1,978	1,987	+9
105	11/20	put	83	83	0
110	11/20	call	332	358	+26
115	11/20	call	188	188	0
120	11/20	call	13	13	0
125	11/20	call	29	29	0

Expiration 2026-11-27

MDT open interest, settled 2026-10-21, expiration 2026-11-27, strikes 79 to 110

Strike	Expiry	Type	Prior OI	Settled OI	Change
79	11/27	put	1	1	0
80	11/27	put	1	1	0
83	11/27	put	0	20	+20
85	11/27	put	6	6	0
86	11/27	put	3	3	0
87	11/27	put	2	2	0
89	11/27	call	1	1	0
89	11/27	put	22	22	0
90	11/27	call	4	4	0
90	11/27	put	2	2	0
91	11/27	put	1	1	0
93	11/27	call	1	101	+100
93	11/27	put	1	1	0
94	11/27	call	101	104	+3
95	11/27	call	58	58	0
96	11/27	call	221	222	+1
97	11/27	call	157	157	0
98	11/27	call	4	4	0
99	11/27	call	121	121	0
99	11/27	put	41	41	0
100	11/27	call	125	125	0
100	11/27	put	162	162	0
101	11/27	call	15	15	0
102	11/27	call	2	2	0
103	11/27	call	50	50	0
104	11/27	call	2	2	0
105	11/27	call	467	467	0
110	11/27	call	2	2	0

Later expirations (2026-12-18, 2027-01-15, 2027-02-19, 2027-03-19, 2027-05-21, 2027-06-17, 2027-09-17, 2028-01-21, 2029-01-19) and all other strikes are in the Markdown table.

Markdown table | Open interest changes across symbols

TODAY

TOOLS

LEARN

SITE