NOC Options Open Interest by Strike, Oct 21 Settlement

NOC 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 10 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, 816 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 434 to 651. Source: SquawkFlow's archive of settled open interest. Counts are contracts, not trades; they do not identify which side opened or closed a position.

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

Strike	Expiry	Type	Prior OI	Settled OI	Change
510	11/20	call	328	266	-62
520	11/20	call	238	182	-56
500	11/20	call	74	127	+53
465	12/18	put	24	70	+46
580	06/17	call	6	38	+32
600	11/20	call	362	334	-28
400	09/17	put	13	38	+25
450	11/20	put	278	254	-24
580	11/20	call	58	82	+24
415	11/20	put	10	31	+21
560	11/20	call	362	382	+20
580	06/17	put	1	21	+20
500	11/20	put	361	344	-17
565	11/20	call	16	33	+17
435	11/20	put	45	61	+16

Expiration 2026-11-20

NOC open interest, settled 2026-10-21, expiration 2026-11-20, strikes 445 to 640

Strike	Expiry	Type	Prior OI	Settled OI	Change
445	11/20	put	33	33	0
450	11/20	call	3	3	0
450	11/20	put	278	254	-24
455	11/20	put	203	201	-2
460	11/20	call	4	4	0
460	11/20	put	246	237	-9
465	11/20	put	52	43	-9
470	11/20	call	4	4	0
470	11/20	put	196	195	-1
475	11/20	call	37	37	0
475	11/20	put	200	194	-6
480	11/20	call	85	85	0
480	11/20	put	435	423	-12
485	11/20	call	34	33	-1
485	11/20	put	17	20	+3
490	11/20	call	34	31	-3
490	11/20	put	84	92	+8
495	11/20	call	10	10	0
495	11/20	put	47	41	-6
500	11/20	call	74	127	+53
500	11/20	put	361	344	-17
505	11/20	call	26	25	-1
505	11/20	put	289	290	+1
510	11/20	call	328	266	-62
510	11/20	put	36	35	-1
515	11/20	call	79	71	-8
515	11/20	put	48	49	+1
520	11/20	call	238	182	-56
520	11/20	put	97	98	+1
525	11/20	call	194	183	-11
525	11/20	put	53	56	+3
530	11/20	call	97	89	-8
530	11/20	put	14	23	+9
535	11/20	call	88	88	0
535	11/20	put	2	18	+16
540	11/20	call	102	95	-7
540	11/20	put	151	153	+2
545	11/20	call	39	45	+6
545	11/20	put	9	9	0
550	11/20	call	159	167	+8
550	11/20	put	10	16	+6
555	11/20	call	15	31	+16
555	11/20	put	0	1	+1
560	11/20	call	362	382	+20
560	11/20	put	157	153	-4
565	11/20	call	16	33	+17
570	11/20	call	233	222	-11
575	11/20	call	74	88	+14
580	11/20	call	58	82	+24
585	11/20	call	14	24	+10
590	11/20	call	36	49	+13
595	11/20	call	35	24	-11
600	11/20	call	362	334	-28
605	11/20	call	17	26	+9
610	11/20	call	15	19	+4
610	11/20	put	0	1	+1
615	11/20	call	6	7	+1
615	11/20	put	0	1	+1
620	11/20	call	48	51	+3
625	11/20	call	71	70	-1
630	11/20	call	52	56	+4
635	11/20	call	18	18	0
640	11/20	call	62	62	0

Expiration 2026-12-18

NOC open interest, settled 2026-10-21, expiration 2026-12-18, strikes 440 to 640

Strike	Expiry	Type	Prior OI	Settled OI	Change
440	12/18	call	3	3	0
440	12/18	put	37	37	0
445	12/18	call	3	3	0
445	12/18	put	28	29	+1
450	12/18	call	5	1	-4
450	12/18	put	148	149	+1
455	12/18	call	6	6	0
455	12/18	put	54	55	+1
460	12/18	call	4	4	0
460	12/18	put	208	205	-3
465	12/18	call	4	4	0
465	12/18	put	24	70	+46
470	12/18	call	4	4	0
470	12/18	put	35	35	0
475	12/18	call	17	17	0
475	12/18	put	29	31	+2
480	12/18	call	44	41	-3
480	12/18	put	58	62	+4
485	12/18	call	27	24	-3
485	12/18	put	44	44	0
490	12/18	call	16	16	0
490	12/18	put	45	46	+1
495	12/18	call	4	4	0
495	12/18	put	67	68	+1
500	12/18	call	9	8	-1
500	12/18	put	41	40	-1
505	12/18	call	15	15	0
505	12/18	put	37	36	-1
510	12/18	call	73	72	-1
510	12/18	put	33	33	0
515	12/18	call	22	22	0
515	12/18	put	22	22	0
520	12/18	call	61	53	-8
520	12/18	put	68	68	0
525	12/18	call	38	38	0
525	12/18	put	106	106	0
530	12/18	call	69	69	0
530	12/18	put	181	181	0
535	12/18	call	15	19	+4
535	12/18	put	44	38	-6
540	12/18	call	134	134	0
540	12/18	put	15	15	0
545	12/18	call	102	104	+2
545	12/18	put	23	23	0
550	12/18	call	52	58	+6
550	12/18	put	194	194	0
555	12/18	call	27	25	-2
555	12/18	put	42	42	0
560	12/18	call	59	62	+3
560	12/18	put	25	25	0
565	12/18	call	5	13	+8
565	12/18	put	4	4	0
570	12/18	call	48	50	+2
570	12/18	put	7	7	0
575	12/18	call	12	12	0
575	12/18	put	17	17	0
580	12/18	call	100	104	+4
580	12/18	put	15	15	0
585	12/18	call	54	54	0
585	12/18	put	2	2	0
590	12/18	call	24	24	0
590	12/18	put	1	1	0
595	12/18	call	5	11	+6
600	12/18	call	62	78	+16
605	12/18	call	12	23	+11
610	12/18	call	14	14	0
615	12/18	call	12	12	0
620	12/18	call	22	17	-5
625	12/18	call	1	5	+4
635	12/18	call	1	1	0
640	12/18	call	104	105	+1

Expiration 2027-01-15

NOC open interest, settled 2026-10-21, expiration 2027-01-15, strikes 310 to 780

Strike	Expiry	Type	Prior OI	Settled OI	Change
310	01/15	put	16	16	0
320	01/15	call	1	1	0
320	01/15	put	36	36	0
330	01/15	call	1	1	0
330	01/15	put	14	14	0
340	01/15	call	1	1	0
340	01/15	put	7	7	0
350	01/15	call	5	5	0
350	01/15	put	47	47	0
360	01/15	call	3	3	0
360	01/15	put	23	23	0
370	01/15	put	31	31	0
380	01/15	call	1	1	0
380	01/15	put	43	46	+3
390	01/15	call	3	3	0
390	01/15	put	46	46	0
400	01/15	call	39	37	-2
400	01/15	put	408	408	0
410	01/15	call	2	2	0
410	01/15	put	83	85	+2
420	01/15	call	29	29	0
420	01/15	put	45	45	0
430	01/15	call	22	22	0
430	01/15	put	59	58	-1
440	01/15	call	21	21	0
440	01/15	put	55	55	0
450	01/15	call	22	22	0
450	01/15	put	134	133	-1
460	01/15	call	12	12	0
460	01/15	put	141	141	0
470	01/15	call	40	40	0
470	01/15	put	101	96	-5
480	01/15	call	13	13	0
480	01/15	put	120	119	-1
490	01/15	call	112	110	-2
490	01/15	put	127	130	+3
500	01/15	call	86	90	+4
500	01/15	put	353	351	-2
510	01/15	call	247	246	-1
510	01/15	put	37	39	+2
520	01/15	call	67	60	-7
520	01/15	put	155	141	-14
530	01/15	call	75	75	0
530	01/15	put	1,535	1,536	+1
540	01/15	call	36	32	-4
540	01/15	put	29	42	+13
550	01/15	call	90	91	+1
550	01/15	put	86	87	+1
560	01/15	call	74	88	+14
560	01/15	put	27	33	+6
570	01/15	call	63	67	+4
570	01/15	put	35	35	0
580	01/15	call	205	205	0
580	01/15	put	25	25	0
590	01/15	call	60	56	-4
590	01/15	put	16	16	0
600	01/15	call	177	177	0
600	01/15	put	34	34	0
610	01/15	call	146	146	0
610	01/15	put	4	4	0
620	01/15	call	208	205	-3
620	01/15	put	2	2	0
640	01/15	call	202	198	-4
640	01/15	put	37	37	0
660	01/15	call	99	99	0
680	01/15	call	87	87	0
680	01/15	put	10	10	0
700	01/15	call	106	106	0
720	01/15	call	76	83	+7
740	01/15	call	27	26	-1
760	01/15	call	70	70	0
780	01/15	call	21	21	0
780	01/15	put	250	250	0

Expiration 2027-02-19

NOC open interest, settled 2026-10-21, expiration 2027-02-19, strikes 440 to 640

Strike	Expiry	Type	Prior OI	Settled OI	Change
440	02/19	put	9	9	0
450	02/19	put	31	31	0
455	02/19	put	3	3	0
460	02/19	put	17	17	0
465	02/19	call	1	1	0
465	02/19	put	9	13	+4
470	02/19	call	1	1	0
470	02/19	put	21	23	+2
475	02/19	call	8	8	0
475	02/19	put	29	29	0
480	02/19	call	8	8	0
480	02/19	put	31	31	0
485	02/19	put	8	8	0
490	02/19	put	8	8	0
495	02/19	put	12	12	0
500	02/19	call	18	19	+1
500	02/19	put	58	57	-1
505	02/19	call	8	8	0
505	02/19	put	7	7	0
510	02/19	call	14	5	-9
510	02/19	put	10	10	0
515	02/19	call	10	10	0
515	02/19	put	10	10	0
520	02/19	call	8	8	0
520	02/19	put	22	22	0
525	02/19	call	4	4	0
525	02/19	put	2	2	0
530	02/19	call	2	2	0
530	02/19	put	4	4	0
535	02/19	call	16	16	0
540	02/19	call	17	17	0
540	02/19	put	4	4	0
545	02/19	call	6	7	+1
545	02/19	put	35	35	0
550	02/19	call	11	9	-2
550	02/19	put	4	5	+1
555	02/19	call	2	2	0
560	02/19	call	6	10	+4
565	02/19	call	2	2	0
565	02/19	put	0	1	+1
570	02/19	call	3	4	+1
575	02/19	call	7	7	0
575	02/19	put	3	3	0
580	02/19	call	12	12	0
580	02/19	put	3	5	+2
585	02/19	call	1	1	0
590	02/19	call	8	8	0
590	02/19	put	2	2	0
595	02/19	call	8	9	+1
600	02/19	call	5	6	+1
605	02/19	call	11	11	0
610	02/19	call	15	15	0
615	02/19	call	1	1	0
620	02/19	call	3	4	+1
625	02/19	call	2	2	0
630	02/19	call	38	38	0
635	02/19	call	11	13	+2
640	02/19	call	6	6	0

Expiration 2027-03-19

NOC open interest, settled 2026-10-21, expiration 2027-03-19, strikes 310 to 780

Strike	Expiry	Type	Prior OI	Settled OI	Change
310	03/19	put	1	1	0
320	03/19	call	1	1	0
330	03/19	call	1	1	0
330	03/19	put	1	1	0
340	03/19	put	6	6	0
350	03/19	put	40	52	+12
360	03/19	call	10	10	0
360	03/19	put	17	17	0
370	03/19	call	7	7	0
370	03/19	put	23	24	+1
380	03/19	put	2	1	-1
390	03/19	put	6	7	+1
400	03/19	call	2	2	0
400	03/19	put	327	328	+1
410	03/19	put	44	44	0
420	03/19	call	5	5	0
420	03/19	put	22	22	0
430	03/19	call	13	13	0
430	03/19	put	28	28	0
440	03/19	call	2	2	0
440	03/19	put	62	62	0
450	03/19	call	16	16	0
450	03/19	put	82	81	-1
460	03/19	call	5	5	0
460	03/19	put	43	40	-3
470	03/19	call	13	13	0
470	03/19	put	47	52	+5
480	03/19	call	8	8	0
480	03/19	put	118	118	0
490	03/19	call	16	16	0
490	03/19	put	34	34	0
500	03/19	call	49	48	-1
500	03/19	put	109	109	0
510	03/19	call	25	23	-2
510	03/19	put	10	10	0
520	03/19	call	147	145	-2
520	03/19	put	27	27	0
530	03/19	call	31	31	0
530	03/19	put	52	52	0
540	03/19	call	46	45	-1
540	03/19	put	27	27	0
550	03/19	call	48	46	-2
550	03/19	put	19	19	0
560	03/19	call	20	20	0
560	03/19	put	7	7	0
570	03/19	call	10	10	0
570	03/19	put	22	22	0
580	03/19	call	25	25	0
580	03/19	put	6	6	0
590	03/19	call	10	10	0
590	03/19	put	14	17	+3
600	03/19	call	55	57	+2
600	03/19	put	31	31	0
610	03/19	call	11	11	0
620	03/19	call	72	71	-1
620	03/19	put	30	30	0
640	03/19	call	275	276	+1
640	03/19	put	1	1	0
660	03/19	call	60	60	0
660	03/19	put	8	8	0
680	03/19	call	28	28	0
700	03/19	call	50	50	0
700	03/19	put	1	1	0
720	03/19	call	32	32	0
740	03/19	call	7	7	0
760	03/19	call	30	30	0
780	03/19	call	17	17	0

Expiration 2027-05-21

NOC open interest, settled 2026-10-21, expiration 2027-05-21, strikes 340 to 760

Strike	Expiry	Type	Prior OI	Settled OI	Change
340	05/21	put	3	3	0
390	05/21	put	10	10	0
400	05/21	put	14	14	0
430	05/21	put	2	2	0
435	05/21	put	1	1	0
440	05/21	put	3	3	0
445	05/21	put	8	9	+1
450	05/21	put	2	2	0
465	05/21	put	1	1	0
470	05/21	call	1	1	0
470	05/21	put	5	5	0
475	05/21	call	8	8	0
475	05/21	put	4	4	0
480	05/21	call	5	5	0
480	05/21	put	0	1	+1
485	05/21	call	2	2	0
485	05/21	put	1	1	0
490	05/21	put	5	5	0
495	05/21	call	1	1	0
495	05/21	put	1	1	0
500	05/21	call	2	2	0
500	05/21	put	2	2	0
505	05/21	call	6	6	0
510	05/21	put	1	1	0
515	05/21	call	5	5	0
515	05/21	put	11	11	0
525	05/21	call	15	15	0
530	05/21	call	1	1	0
535	05/21	call	1	1	0
535	05/21	put	5	5	0
545	05/21	call	1	1	0
550	05/21	call	4	4	0
555	05/21	call	1	1	0
585	05/21	put	1	1	0
640	05/21	call	1	1	0
660	05/21	call	3	3	0
760	05/21	call	2	2	0

Later expirations (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

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