AMGN Options Open Interest by Strike, Oct 21 Settlement

AMGN 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 14 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, 1,077 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 350 to 526. Source: SquawkFlow's archive of settled open interest. Counts are contracts, not trades; they do not identify which side opened or closed a position.

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

Strike	Expiry	Type	Prior OI	Settled OI	Change
415	10/23	put	90	348	+258
470	11/20	call	224	470	+246
475	11/20	call	71	218	+147
600	04/16	call	2	108	+106
490	04/16	call	8	108	+100
487.5	10/30	call	0	66	+66
450	01/15	call	598	650	+52
375	01/15	put	169	217	+48
390	04/16	put	21	68	+47
430	10/23	put	93	126	+33
420	11/20	put	136	166	+30
400	01/15	put	1,451	1,481	+30
490	01/15	call	1,313	1,338	+25
465	11/20	call	1,222	1,246	+24
450	01/21	put	6	29	+23

Expiration 2026-10-23

AMGN open interest, settled 2026-10-21, expiration 2026-10-23, strikes 382.5 to 490

Strike	Expiry	Type	Prior OI	Settled OI	Change
382.5	10/23	put	3	3	0
385	10/23	call	4	4	0
385	10/23	put	27	37	+10
387.5	10/23	call	8	8	0
390	10/23	call	10	10	0
390	10/23	put	117	117	0
392.5	10/23	put	3	3	0
395	10/23	call	27	25	-2
395	10/23	put	30	30	0
397.5	10/23	put	8	8	0
400	10/23	call	24	24	0
400	10/23	put	23	23	0
402.5	10/23	call	5	5	0
402.5	10/23	put	125	125	0
405	10/23	call	28	28	0
405	10/23	put	33	33	0
407.5	10/23	call	3	3	0
407.5	10/23	put	124	124	0
410	10/23	call	38	38	0
410	10/23	put	91	91	0
412.5	10/23	call	6	6	0
412.5	10/23	put	87	87	0
415	10/23	call	42	40	-2
415	10/23	put	90	348	+258
417.5	10/23	call	63	63	0
417.5	10/23	put	13	13	0
420	10/23	call	245	245	0
420	10/23	put	74	91	+17
422.5	10/23	call	14	14	0
422.5	10/23	put	108	108	0
425	10/23	call	297	296	-1
425	10/23	put	53	56	+3
427.5	10/23	call	19	19	0
427.5	10/23	put	18	24	+6
430	10/23	call	99	97	-2
430	10/23	put	93	126	+33
432.5	10/23	call	48	47	-1
432.5	10/23	put	16	18	+2
435	10/23	call	65	71	+6
435	10/23	put	19	23	+4
437.5	10/23	call	16	17	+1
437.5	10/23	put	6	7	+1
440	10/23	call	138	139	+1
440	10/23	put	20	24	+4
442.5	10/23	call	17	17	0
442.5	10/23	put	1	1	0
445	10/23	call	105	106	+1
447.5	10/23	call	9	12	+3
447.5	10/23	put	1	1	0
450	10/23	call	88	98	+10
450	10/23	put	10	10	0
452.5	10/23	call	11	11	0
455	10/23	call	23	23	0
457.5	10/23	call	4	4	0
460	10/23	call	39	40	+1
465	10/23	call	139	136	-3
470	10/23	call	32	32	0
475	10/23	call	43	43	0
480	10/23	call	10	12	+2
482.5	10/23	call	0	10	+10
485	10/23	call	21	26	+5
487.5	10/23	call	0	4	+4
490	10/23	call	35	36	+1

Expiration 2026-10-30

AMGN open interest, settled 2026-10-21, expiration 2026-10-30, strikes 380 to 500

Strike	Expiry	Type	Prior OI	Settled OI	Change
380	10/30	call	8	8	0
380	10/30	put	26	27	+1
385	10/30	call	7	7	0
385	10/30	put	33	31	-2
390	10/30	call	2	2	0
390	10/30	put	29	28	-1
392.5	10/30	put	8	8	0
395	10/30	call	49	49	0
395	10/30	put	24	24	0
400	10/30	call	97	96	-1
400	10/30	put	37	36	-1
402.5	10/30	call	16	16	0
402.5	10/30	put	6	7	+1
405	10/30	call	159	159	0
405	10/30	put	55	55	0
407.5	10/30	call	1	1	0
407.5	10/30	put	6	6	0
410	10/30	call	61	61	0
410	10/30	put	43	44	+1
412.5	10/30	call	11	11	0
412.5	10/30	put	11	10	-1
415	10/30	call	181	183	+2
415	10/30	put	31	30	-1
417.5	10/30	call	10	10	0
417.5	10/30	put	3	5	+2
420	10/30	call	44	44	0
420	10/30	put	53	54	+1
422.5	10/30	call	5	5	0
422.5	10/30	put	5	3	-2
425	10/30	call	87	87	0
425	10/30	put	10	14	+4
427.5	10/30	call	8	8	0
427.5	10/30	put	7	8	+1
430	10/30	call	67	63	-4
430	10/30	put	36	38	+2
432.5	10/30	call	8	8	0
432.5	10/30	put	13	12	-1
435	10/30	call	86	85	-1
435	10/30	put	25	30	+5
437.5	10/30	call	5	6	+1
437.5	10/30	put	14	14	0
440	10/30	call	127	130	+3
440	10/30	put	13	13	0
442.5	10/30	call	3	3	0
442.5	10/30	put	2	3	+1
445	10/30	call	40	43	+3
447.5	10/30	call	2	2	0
447.5	10/30	put	4	4	0
450	10/30	call	90	94	+4
450	10/30	put	2	2	0
452.5	10/30	call	7	7	0
455	10/30	call	27	27	0
457.5	10/30	call	9	11	+2
460	10/30	call	137	139	+2
460	10/30	put	7	7	0
462.5	10/30	call	37	37	0
465	10/30	call	247	247	0
470	10/30	call	38	37	-1
475	10/30	call	161	161	0
480	10/30	call	55	55	0
487.5	10/30	call	0	66	+66
490	10/30	call	1	1	0
492.5	10/30	call	1	1	0
495	10/30	call	2	2	0
500	10/30	call	2	2	0

Expiration 2026-11-06

AMGN open interest, settled 2026-10-21, expiration 2026-11-06, strikes 335 to 540

Strike	Expiry	Type	Prior OI	Settled OI	Change
335	11/06	put	54	54	0
340	11/06	put	9	9	0
345	11/06	put	1	1	0
350	11/06	call	8	8	0
350	11/06	put	2	2	0
360	11/06	put	6	6	0
365	11/06	put	9	9	0
370	11/06	call	1	1	0
370	11/06	put	17	17	0
375	11/06	call	1	1	0
375	11/06	put	7	7	0
380	11/06	call	1	1	0
380	11/06	put	9	9	0
385	11/06	call	4	4	0
385	11/06	put	11	11	0
390	11/06	call	3	3	0
390	11/06	put	13	13	0
395	11/06	call	1	2	+1
395	11/06	put	8	9	+1
400	11/06	call	4	4	0
400	11/06	put	16	19	+3
405	11/06	call	47	47	0
405	11/06	put	4	4	0
410	11/06	call	14	14	0
410	11/06	put	32	32	0
415	11/06	call	23	22	-1
415	11/06	put	18	18	0
417.5	11/06	put	1	1	0
420	11/06	call	39	39	0
420	11/06	put	7	8	+1
422.5	11/06	put	1	1	0
425	11/06	call	189	189	0
425	11/06	put	9	9	0
427.5	11/06	call	185	185	0
427.5	11/06	put	0	1	+1
430	11/06	call	13	14	+1
430	11/06	put	8	9	+1
432.5	11/06	call	5	5	0
435	11/06	call	28	28	0
435	11/06	put	1	1	0
437.5	11/06	call	6	6	0
440	11/06	call	58	58	0
440	11/06	put	5	6	+1
445	11/06	call	84	84	0
450	11/06	call	29	34	+5
450	11/06	put	4	4	0
455	11/06	call	7	7	0
460	11/06	call	18	18	0
465	11/06	call	14	14	0
470	11/06	call	36	36	0
475	11/06	call	39	39	0
480	11/06	call	1	1	0
490	11/06	call	4	4	0
495	11/06	call	36	36	0
500	11/06	call	31	31	0
505	11/06	call	1	1	0
510	11/06	call	2	2	0
540	11/06	call	1	1	0

Expiration 2026-11-13

AMGN open interest, settled 2026-10-21, expiration 2026-11-13, strikes 360 to 540

Strike	Expiry	Type	Prior OI	Settled OI	Change
360	11/13	put	1	1	0
365	11/13	put	6	6	0
370	11/13	put	2	2	0
375	11/13	put	11	11	0
385	11/13	put	1	1	0
390	11/13	call	3	3	0
390	11/13	put	4	4	0
395	11/13	put	3	3	0
400	11/13	call	7	7	0
400	11/13	put	5	5	0
405	11/13	put	4	4	0
410	11/13	call	1	1	0
410	11/13	put	11	11	0
415	11/13	call	3	3	0
415	11/13	put	2	3	+1
420	11/13	call	3	3	0
420	11/13	put	9	9	0
425	11/13	call	6	6	0
430	11/13	call	10	10	0
430	11/13	put	3	3	0
435	11/13	call	7	7	0
435	11/13	put	5	6	+1
440	11/13	call	10	11	+1
440	11/13	put	38	38	0
445	11/13	call	6	6	0
450	11/13	call	70	70	0
455	11/13	call	8	13	+5
460	11/13	call	10	10	0
470	11/13	call	129	129	0
475	11/13	call	8	12	+4
480	11/13	call	16	16	0
490	11/13	call	1	1	0
495	11/13	call	2	2	0
540	11/13	call	1	1	0

Expiration 2026-11-20

AMGN open interest, settled 2026-10-21, expiration 2026-11-20, strikes 360 to 515

Strike	Expiry	Type	Prior OI	Settled OI	Change
360	11/20	call	9	9	0
360	11/20	put	1,146	1,146	0
365	11/20	call	22	22	0
365	11/20	put	75	75	0
370	11/20	call	159	159	0
370	11/20	put	194	193	-1
375	11/20	call	17	17	0
375	11/20	put	162	162	0
380	11/20	call	28	28	0
380	11/20	put	638	639	+1
385	11/20	call	195	195	0
385	11/20	put	436	436	0
390	11/20	call	97	97	0
390	11/20	put	375	383	+8
395	11/20	call	34	34	0
395	11/20	put	156	157	+1
400	11/20	call	1,072	1,072	0
400	11/20	put	304	305	+1
405	11/20	call	61	61	0
405	11/20	put	1,068	1,068	0
410	11/20	call	273	273	0
410	11/20	put	1,119	1,116	-3
415	11/20	call	168	168	0
415	11/20	put	402	402	0
417.5	11/20	put	3	3	0
420	11/20	call	1,544	1,536	-8
420	11/20	put	136	166	+30
422.5	11/20	call	27	29	+2
422.5	11/20	put	1	1	0
425	11/20	call	1,524	1,524	0
425	11/20	put	85	88	+3
427.5	11/20	call	1	1	0
430	11/20	call	1,027	1,027	0
430	11/20	put	74	94	+20
432.5	11/20	put	6	6	0
435	11/20	call	306	301	-5
435	11/20	put	75	96	+21
437.5	11/20	call	13	13	0
437.5	11/20	put	2	3	+1
440	11/20	call	551	554	+3
440	11/20	put	44	44	0
442.5	11/20	call	0	1	+1
445	11/20	call	416	417	+1
445	11/20	put	13	13	0
447.5	11/20	call	3	3	0
450	11/20	call	926	926	0
450	11/20	put	19	19	0
455	11/20	call	488	490	+2
455	11/20	put	1	1	0
460	11/20	call	624	622	-2
460	11/20	put	0	1	+1
462.5	11/20	call	2	2	0
465	11/20	call	1,222	1,246	+24
465	11/20	put	1	1	0
470	11/20	call	224	470	+246
470	11/20	put	2	2	0
475	11/20	call	71	218	+147
475	11/20	put	1	1	0
480	11/20	call	74	75	+1
485	11/20	call	39	59	+20
490	11/20	call	44	44	0
495	11/20	call	68	68	0
500	11/20	call	351	351	0
505	11/20	call	10	12	+2
510	11/20	call	5	5	0
515	11/20	call	11	11	0

Expiration 2026-11-27

AMGN open interest, settled 2026-10-21, expiration 2026-11-27, strikes 320 to 510

Strike	Expiry	Type	Prior OI	Settled OI	Change
320	11/27	put	69	69	0
330	11/27	put	2	2	0
340	11/27	put	11	11	0
345	11/27	put	24	24	0
365	11/27	put	1	1	0
370	11/27	put	1	1	0
375	11/27	put	2	2	0
380	11/27	put	16	16	0
385	11/27	put	14	14	0
390	11/27	put	3	3	0
395	11/27	put	1	1	0
400	11/27	call	2	2	0
400	11/27	put	10	11	+1
405	11/27	call	1	1	0
405	11/27	put	2	2	0
410	11/27	call	1	2	+1
410	11/27	put	3	2	-1
415	11/27	call	2	3	+1
420	11/27	call	10	10	0
420	11/27	put	4	4	0
425	11/27	call	1	1	0
425	11/27	put	3	3	0
435	11/27	call	1	1	0
440	11/27	call	5	5	0
445	11/27	call	2	3	+1
450	11/27	call	12	12	0
455	11/27	call	2	2	0
460	11/27	call	3	3	0
465	11/27	call	8	8	0
470	11/27	call	9	9	0
475	11/27	call	1	1	0
485	11/27	call	3	3	0
510	11/27	call	1	1	0

Later expirations (2026-12-18, 2027-01-15, 2027-03-19, 2027-04-16, 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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