MU Options Open Interest by Strike, Oct 21 Settlement

MU 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 25 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, 8,907 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 707 to 1,061. Source: SquawkFlow's archive of settled open interest. Counts are contracts, not trades; they do not identify which side opened or closed a position.

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

Strike	Expiry	Type	Prior OI	Settled OI	Change
500	10/30	put	494	12,854	+12,360
500	10/23	put	843	11,663	+10,820
1,000	10/23	call	6,972	8,908	+1,936
570	01/15	put	3,856	5,256	+1,400
1,300	10/30	call	2,676	3,905	+1,229
600	10/26	put	24	1,038	+1,014
935	10/23	call	1,261	2,267	+1,006
1,200	11/20	call	4,608	5,578	+970
1,000	10/30	call	4,758	5,658	+900
900	10/23	put	4,777	5,605	+828
930	10/23	call	1,049	1,824	+775
800	10/30	put	1,507	2,252	+745
100	08/20	put	1	742	+741
865	11/04	call	4	721	+717
1,030	10/23	call	1,420	2,112	+692

Expiration 2026-10-23

MU open interest, settled 2026-10-21, expiration 2026-10-23, strikes 785 to 980

Strike	Expiry	Type	Prior OI	Settled OI	Change
785	10/23	call	2	2	0
785	10/23	put	436	502	+66
790	10/23	call	31	37	+6
790	10/23	put	989	991	+2
795	10/23	call	30	30	0
795	10/23	put	293	589	+296
800	10/23	call	210	260	+50
800	10/23	put	2,973	2,674	-299
805	10/23	call	6	6	0
805	10/23	put	519	418	-101
810	10/23	call	34	25	-9
810	10/23	put	704	856	+152
815	10/23	call	13	13	0
815	10/23	put	599	819	+220
820	10/23	call	44	42	-2
820	10/23	put	1,503	1,154	-349
825	10/23	call	117	118	+1
825	10/23	put	1,002	954	-48
830	10/23	call	48	49	+1
830	10/23	put	1,036	1,317	+281
835	10/23	call	24	24	0
835	10/23	put	550	813	+263
840	10/23	call	135	145	+10
840	10/23	put	1,720	2,294	+574
845	10/23	call	37	40	+3
845	10/23	put	496	713	+217
850	10/23	call	134	235	+101
850	10/23	put	5,180	5,380	+200
855	10/23	call	38	38	0
855	10/23	put	463	688	+225
860	10/23	call	132	142	+10
860	10/23	put	1,225	1,502	+277
865	10/23	call	103	94	-9
865	10/23	put	950	1,239	+289
870	10/23	call	1,117	1,100	-17
870	10/23	put	978	1,052	+74
875	10/23	call	375	408	+33
875	10/23	put	948	1,197	+249
880	10/23	call	1,756	1,799	+43
880	10/23	put	1,800	1,905	+105
885	10/23	call	213	198	-15
885	10/23	put	592	935	+343
890	10/23	call	511	599	+88
890	10/23	put	1,415	1,942	+527
895	10/23	call	606	604	-2
895	10/23	put	1,501	1,662	+161
900	10/23	call	1,999	1,904	-95
900	10/23	put	4,777	5,605	+828
905	10/23	call	847	822	-25
905	10/23	put	612	888	+276
910	10/23	call	1,153	1,267	+114
910	10/23	put	1,131	1,661	+530
915	10/23	call	1,553	1,698	+145
915	10/23	put	420	917	+497
920	10/23	call	1,654	1,962	+308
920	10/23	put	943	1,317	+374
925	10/23	call	1,450	1,678	+228
925	10/23	put	668	735	+67
930	10/23	call	1,049	1,824	+775
930	10/23	put	938	969	+31
935	10/23	call	1,261	2,267	+1,006
935	10/23	put	677	727	+50
940	10/23	call	2,364	2,741	+377
940	10/23	put	943	798	-145
945	10/23	call	780	1,253	+473
945	10/23	put	363	359	-4
950	10/23	call	5,208	5,670	+462
950	10/23	put	2,378	2,288	-90
955	10/23	call	2,012	2,252	+240
955	10/23	put	303	295	-8
960	10/23	call	2,095	2,525	+430
960	10/23	put	905	878	-27
965	10/23	call	1,172	1,570	+398
965	10/23	put	257	249	-8
970	10/23	call	3,378	3,710	+332
970	10/23	put	720	708	-12
975	10/23	call	1,297	1,634	+337
975	10/23	put	452	439	-13
980	10/23	call	3,087	3,301	+214
980	10/23	put	496	516	+20

Expiration 2026-10-26

MU open interest, settled 2026-10-21, expiration 2026-10-26, strikes 785 to 980

Strike	Expiry	Type	Prior OI	Settled OI	Change
785	10/26	put	83	84	+1
790	10/26	call	3	3	0
790	10/26	put	72	117	+45
795	10/26	put	169	174	+5
800	10/26	call	4	4	0
800	10/26	put	356	353	-3
805	10/26	put	132	140	+8
810	10/26	call	5	6	+1
810	10/26	put	124	133	+9
815	10/26	put	126	127	+1
820	10/26	put	387	463	+76
825	10/26	call	5	5	0
825	10/26	put	104	156	+52
830	10/26	call	4	4	0
830	10/26	put	83	89	+6
835	10/26	call	7	8	+1
835	10/26	put	61	116	+55
840	10/26	call	12	13	+1
840	10/26	put	409	423	+14
845	10/26	call	12	12	0
845	10/26	put	287	302	+15
850	10/26	call	15	16	+1
850	10/26	put	683	757	+74
855	10/26	call	4	5	+1
855	10/26	put	83	97	+14
860	10/26	call	32	32	0
860	10/26	put	127	241	+114
865	10/26	call	32	31	-1
865	10/26	put	197	213	+16
870	10/26	call	73	75	+2
870	10/26	put	128	131	+3
875	10/26	call	63	70	+7
875	10/26	put	97	213	+116
880	10/26	call	68	65	-3
880	10/26	put	333	325	-8
885	10/26	call	61	39	-22
885	10/26	put	188	191	+3
890	10/26	call	93	108	+15
890	10/26	put	139	163	+24
895	10/26	call	91	122	+31
895	10/26	put	115	139	+24
900	10/26	call	330	286	-44
900	10/26	put	462	525	+63
905	10/26	call	145	206	+61
905	10/26	put	122	208	+86
910	10/26	call	235	287	+52
910	10/26	put	208	353	+145
915	10/26	call	161	174	+13
915	10/26	put	62	385	+323
920	10/26	call	373	509	+136
920	10/26	put	117	144	+27
925	10/26	call	254	315	+61
925	10/26	put	169	286	+117
930	10/26	call	899	947	+48
930	10/26	put	129	143	+14
935	10/26	call	122	124	+2
935	10/26	put	84	89	+5
940	10/26	call	357	379	+22
940	10/26	put	68	62	-6
945	10/26	call	65	323	+258
945	10/26	put	30	60	+30
950	10/26	call	507	564	+57
950	10/26	put	144	144	0
955	10/26	call	151	189	+38
955	10/26	put	54	65	+11
960	10/26	call	336	421	+85
960	10/26	put	75	71	-4
965	10/26	call	852	901	+49
965	10/26	put	17	18	+1
970	10/26	call	688	689	+1
970	10/26	put	87	91	+4
975	10/26	call	111	196	+85
975	10/26	put	40	39	-1
980	10/26	call	353	393	+40
980	10/26	put	52	51	-1

Expiration 2026-10-28

MU open interest, settled 2026-10-21, expiration 2026-10-28, strikes 785 to 980

Strike	Expiry	Type	Prior OI	Settled OI	Change
785	10/28	call	1	2	+1
785	10/28	put	49	49	0
790	10/28	call	0	1	+1
790	10/28	put	30	30	0
795	10/28	call	7	9	+2
795	10/28	put	19	23	+4
800	10/28	call	12	12	0
800	10/28	put	255	237	-18
805	10/28	put	70	73	+3
810	10/28	call	0	1	+1
810	10/28	put	28	30	+2
815	10/28	call	0	11	+11
815	10/28	put	64	69	+5
820	10/28	put	275	282	+7
825	10/28	call	0	1	+1
825	10/28	put	53	122	+69
830	10/28	put	120	137	+17
835	10/28	call	5	5	0
835	10/28	put	10	13	+3
840	10/28	call	10	12	+2
840	10/28	put	51	70	+19
845	10/28	call	2	3	+1
845	10/28	put	50	52	+2
850	10/28	call	17	18	+1
850	10/28	put	65	126	+61
855	10/28	call	23	25	+2
855	10/28	put	75	80	+5
860	10/28	call	16	17	+1
860	10/28	put	83	94	+11
865	10/28	call	7	35	+28
865	10/28	put	39	72	+33
870	10/28	call	20	23	+3
870	10/28	put	82	109	+27
875	10/28	call	16	16	0
875	10/28	put	28	63	+35
880	10/28	call	34	39	+5
880	10/28	put	37	60	+23
885	10/28	call	16	18	+2
885	10/28	put	34	40	+6
890	10/28	call	179	180	+1
890	10/28	put	119	131	+12
895	10/28	call	20	340	+320
895	10/28	put	53	64	+11
900	10/28	call	192	468	+276
900	10/28	put	124	314	+190
905	10/28	call	61	64	+3
905	10/28	put	66	121	+55
910	10/28	call	127	148	+21
910	10/28	put	271	316	+45
915	10/28	call	59	263	+204
915	10/28	put	115	142	+27
920	10/28	call	66	492	+426
920	10/28	put	65	83	+18
925	10/28	call	82	156	+74
925	10/28	put	55	76	+21
930	10/28	call	173	181	+8
930	10/28	put	43	50	+7
935	10/28	call	110	115	+5
935	10/28	put	57	66	+9
940	10/28	call	82	134	+52
940	10/28	put	32	42	+10
945	10/28	call	90	108	+18
945	10/28	put	62	64	+2
950	10/28	call	200	236	+36
950	10/28	put	43	51	+8
955	10/28	call	52	87	+35
955	10/28	put	9	9	0
960	10/28	call	69	94	+25
960	10/28	put	64	77	+13
965	10/28	call	39	61	+22
965	10/28	put	6	6	0
970	10/28	call	61	93	+32
970	10/28	put	27	40	+13
975	10/28	call	102	105	+3
975	10/28	put	5	10	+5
980	10/28	call	155	240	+85
980	10/28	put	46	48	+2

Expiration 2026-10-30

MU open interest, settled 2026-10-21, expiration 2026-10-30, strikes 785 to 980

Strike	Expiry	Type	Prior OI	Settled OI	Change
785	10/30	call	0	1	+1
785	10/30	put	35	56	+21
790	10/30	call	3	3	0
790	10/30	put	278	390	+112
795	10/30	call	4	4	0
795	10/30	put	1,647	1,666	+19
800	10/30	call	99	110	+11
800	10/30	put	1,507	2,252	+745
805	10/30	call	11	10	-1
805	10/30	put	366	360	-6
810	10/30	call	33	35	+2
810	10/30	put	472	511	+39
815	10/30	call	26	26	0
815	10/30	put	490	520	+30
820	10/30	call	10	12	+2
820	10/30	put	1,696	1,752	+56
825	10/30	call	118	118	0
825	10/30	put	637	644	+7
830	10/30	call	79	80	+1
830	10/30	put	712	744	+32
835	10/30	call	12	12	0
835	10/30	put	691	719	+28
840	10/30	call	56	58	+2
840	10/30	put	900	934	+34
845	10/30	call	11	16	+5
845	10/30	put	364	350	-14
850	10/30	call	71	79	+8
850	10/30	put	1,831	2,141	+310
855	10/30	call	31	31	0
855	10/30	put	277	265	-12
860	10/30	call	77	77	0
860	10/30	put	669	705	+36
865	10/30	call	72	72	0
865	10/30	put	651	690	+39
870	10/30	call	138	138	0
870	10/30	put	571	570	-1
875	10/30	call	78	70	-8
875	10/30	put	554	565	+11
880	10/30	call	237	232	-5
880	10/30	put	1,382	1,266	-116
885	10/30	call	228	221	-7
885	10/30	put	354	371	+17
890	10/30	call	266	353	+87
890	10/30	put	1,137	1,147	+10
895	10/30	call	184	212	+28
895	10/30	put	1,109	1,121	+12
900	10/30	call	1,791	2,213	+422
900	10/30	put	1,979	2,486	+507
905	10/30	call	686	727	+41
905	10/30	put	919	954	+35
910	10/30	call	678	710	+32
910	10/30	put	620	696	+76
915	10/30	call	261	309	+48
915	10/30	put	474	415	-59
920	10/30	call	704	714	+10
920	10/30	put	1,023	1,085	+62
925	10/30	call	267	304	+37
925	10/30	put	582	631	+49
930	10/30	call	629	810	+181
930	10/30	put	1,915	2,319	+404
935	10/30	call	350	353	+3
935	10/30	put	926	933	+7
940	10/30	call	767	826	+59
940	10/30	put	856	847	-9
945	10/30	call	286	298	+12
945	10/30	put	217	216	-1
950	10/30	call	2,715	2,590	-125
950	10/30	put	2,419	2,421	+2
955	10/30	call	261	412	+151
955	10/30	put	313	315	+2
960	10/30	call	464	602	+138
960	10/30	put	582	578	-4
965	10/30	call	211	217	+6
965	10/30	put	638	653	+15
970	10/30	call	873	894	+21
970	10/30	put	595	599	+4
975	10/30	call	1,442	1,596	+154
975	10/30	put	328	321	-7
980	10/30	call	733	836	+103
980	10/30	put	508	499	-9

Expiration 2026-11-02

MU open interest, settled 2026-10-21, expiration 2026-11-02, strikes 785 to 980

Strike	Expiry	Type	Prior OI	Settled OI	Change
785	11/02	put	0	2	+2
790	11/02	put	1	1	0
795	11/02	put	0	1	+1
800	11/02	call	0	5	+5
800	11/02	put	2	7	+5
805	11/02	call	0	1	+1
805	11/02	put	0	1	+1
810	11/02	call	0	1	+1
810	11/02	put	0	7	+7
815	11/02	call	0	1	+1
815	11/02	put	63	66	+3
820	11/02	put	21	25	+4
825	11/02	put	2	8	+6
830	11/02	put	0	12	+12
835	11/02	call	1	1	0
835	11/02	put	169	176	+7
840	11/02	call	3	3	0
840	11/02	put	50	58	+8
845	11/02	put	6	8	+2
850	11/02	call	0	15	+15
850	11/02	put	16	22	+6
855	11/02	call	0	13	+13
855	11/02	put	36	36	0
860	11/02	call	6	20	+14
860	11/02	put	4	4	0
865	11/02	call	0	1	+1
865	11/02	put	1	13	+12
870	11/02	call	50	50	0
870	11/02	put	45	39	-6
875	11/02	call	25	2	-23
875	11/02	put	6	6	0
880	11/02	call	13	13	0
880	11/02	put	93	103	+10
885	11/02	call	34	33	-1
885	11/02	put	5	9	+4
890	11/02	call	29	28	-1
890	11/02	put	833	844	+11
895	11/02	call	31	31	0
895	11/02	put	15	62	+47
900	11/02	call	44	41	-3
900	11/02	put	76	104	+28
905	11/02	call	43	44	+1
905	11/02	put	22	38	+16
910	11/02	call	37	41	+4
910	11/02	put	11	18	+7
915	11/02	call	32	48	+16
915	11/02	put	39	35	-4
920	11/02	call	11	46	+35
920	11/02	put	8	33	+25
925	11/02	call	5	12	+7
925	11/02	put	6	9	+3
930	11/02	call	10	19	+9
930	11/02	put	3	115	+112
935	11/02	call	7	13	+6
935	11/02	put	1	2	+1
940	11/02	call	18	26	+8
940	11/02	put	3	5	+2
945	11/02	call	1	2	+1
950	11/02	call	35	32	-3
950	11/02	put	6	11	+5
955	11/02	call	7	18	+11
955	11/02	put	1	1	0
960	11/02	call	8	8	0
960	11/02	put	2	5	+3
965	11/02	call	8	10	+2
965	11/02	put	2	2	0
970	11/02	call	41	118	+77
975	11/02	call	36	35	-1
980	11/02	call	29	32	+3
980	11/02	put	4	5	+1

Expiration 2026-11-04

MU open interest, settled 2026-10-21, expiration 2026-11-04, strikes 780 to 995

Strike	Expiry	Type	Prior OI	Settled OI	Change
780	11/04	call	0	1	+1
800	11/04	call	0	3	+3
800	11/04	put	0	5	+5
805	11/04	call	0	3	+3
810	11/04	put	0	2	+2
815	11/04	put	0	2	+2
820	11/04	put	0	1	+1
825	11/04	put	0	3	+3
830	11/04	put	0	3	+3
835	11/04	put	0	1	+1
845	11/04	put	1	1	0
850	11/04	call	0	26	+26
850	11/04	put	2	8	+6
855	11/04	call	0	1	+1
855	11/04	put	2	3	+1
860	11/04	call	0	1	+1
860	11/04	put	6	81	+75
865	11/04	call	4	721	+717
865	11/04	put	0	1	+1
870	11/04	call	0	2	+2
870	11/04	put	0	4	+4
875	11/04	call	0	52	+52
880	11/04	call	0	4	+4
880	11/04	put	5	6	+1
885	11/04	call	1	2	+1
885	11/04	put	5	6	+1
890	11/04	call	1	4	+3
890	11/04	put	0	4	+4
895	11/04	call	1	2	+1
895	11/04	put	2	3	+1
900	11/04	call	11	33	+22
900	11/04	put	1	21	+20
905	11/04	call	3	84	+81
905	11/04	put	2	31	+29
910	11/04	call	1	5	+4
910	11/04	put	1	7	+6
915	11/04	call	4	11	+7
915	11/04	put	12	17	+5
920	11/04	call	2	8	+6
920	11/04	put	2	6	+4
925	11/04	call	0	4	+4
925	11/04	put	0	5	+5
930	11/04	call	0	11	+11
930	11/04	put	0	36	+36
935	11/04	call	1	1	0
935	11/04	put	0	13	+13
940	11/04	call	0	3	+3
945	11/04	call	2	5	+3
950	11/04	call	5	9	+4
950	11/04	put	0	1	+1
955	11/04	call	0	3	+3
960	11/04	call	0	4	+4
965	11/04	call	0	9	+9
965	11/04	put	0	1	+1
970	11/04	call	3	6	+3
970	11/04	put	0	4	+4
975	11/04	call	2	11	+9
975	11/04	put	0	1	+1
980	11/04	call	5	10	+5
980	11/04	put	0	1	+1
985	11/04	call	8	11	+3
990	11/04	call	0	2	+2
995	11/04	call	0	5	+5

Later expirations (2026-11-06, 2026-11-13, 2026-11-20, 2026-11-27, 2026-12-18, 2027-01-15, 2027-02-19, 2027-03-19, 2027-04-16, 2027-05-21, 2027-06-17, 2027-07-16, 2027-08-20, 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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