SYK Options Open Interest by Strike, Oct 21 Settlement

SYK 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 8 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, 396 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 238 to 357. Source: SquawkFlow's archive of settled open interest. Counts are contracts, not trades; they do not identify which side opened or closed a position.

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

Strike	Expiry	Type	Prior OI	Settled OI	Change
330	11/20	call	313	1,220	+907
360	12/18	call	194	245	+51
350	12/18	call	293	336	+43
300	11/20	put	80	113	+33
290	11/20	put	105	137	+32
310	11/20	call	5,567	5,536	-31
320	11/20	call	405	436	+31
350	11/20	call	93	119	+26
340	11/20	call	66	79	+13
280	11/20	put	98	106	+8
350	01/15	call	132	140	+8
340	12/18	call	190	197	+7
280	12/18	put	371	377	+6
180	12/18	put	8	13	+5
190	12/18	put	12	17	+5

Expiration 2026-11-20

SYK open interest, settled 2026-10-21, expiration 2026-11-20, strikes 185 to 380

Strike	Expiry	Type	Prior OI	Settled OI	Change
185	11/20	put	4	4	0
190	11/20	put	3	3	0
200	11/20	put	6	6	0
220	11/20	put	815	815	0
230	11/20	put	28	26	-2
240	11/20	put	144	144	0
250	11/20	call	1	2	+1
250	11/20	put	362	361	-1
260	11/20	call	2	1	-1
260	11/20	put	259	261	+2
270	11/20	call	31	31	0
270	11/20	put	212	213	+1
280	11/20	call	53	52	-1
280	11/20	put	98	106	+8
290	11/20	call	219	221	+2
290	11/20	put	105	137	+32
300	11/20	call	386	386	0
300	11/20	put	80	113	+33
310	11/20	call	5,567	5,536	-31
310	11/20	put	75	77	+2
320	11/20	call	405	436	+31
320	11/20	put	12	14	+2
330	11/20	call	313	1,220	+907
330	11/20	put	2	2	0
340	11/20	call	66	79	+13
350	11/20	call	93	119	+26
350	11/20	put	0	1	+1
360	11/20	call	13	13	0
370	11/20	call	2	2	0
380	11/20	call	61	62	+1

Expiration 2026-12-18

SYK open interest, settled 2026-10-21, expiration 2026-12-18, strikes 180 to 560

Strike	Expiry	Type	Prior OI	Settled OI	Change
180	12/18	put	8	13	+5
185	12/18	put	13	16	+3
190	12/18	put	12	17	+5
195	12/18	put	4	4	0
200	12/18	put	9	9	0
210	12/18	call	2	2	0
210	12/18	put	32	32	0
220	12/18	call	2	2	0
220	12/18	put	366	366	0
230	12/18	call	2	2	0
230	12/18	put	87	87	0
240	12/18	call	2	2	0
240	12/18	put	132	132	0
250	12/18	call	18	18	0
250	12/18	put	745	743	-2
260	12/18	call	6	6	0
260	12/18	put	333	335	+2
270	12/18	call	43	43	0
270	12/18	put	208	209	+1
280	12/18	call	59	59	0
280	12/18	put	371	377	+6
290	12/18	call	133	133	0
290	12/18	put	372	373	+1
300	12/18	call	346	346	0
300	12/18	put	262	262	0
310	12/18	call	154	154	0
310	12/18	put	141	141	0
320	12/18	call	296	299	+3
320	12/18	put	112	112	0
330	12/18	call	2,385	2,388	+3
330	12/18	put	101	101	0
340	12/18	call	190	197	+7
340	12/18	put	77	77	0
350	12/18	call	293	336	+43
350	12/18	put	78	78	0
360	12/18	call	194	245	+51
360	12/18	put	0	1	+1
370	12/18	call	297	297	0
380	12/18	call	182	181	-1
390	12/18	call	981	983	+2
400	12/18	call	171	171	0
410	12/18	call	55	55	0
420	12/18	call	11	11	0
430	12/18	call	23	23	0
440	12/18	call	35	35	0
450	12/18	call	162	162	0
460	12/18	call	35	35	0
470	12/18	call	3	3	0
490	12/18	call	4	4	0
510	12/18	call	4	4	0
520	12/18	call	3	3	0
540	12/18	call	1	1	0
560	12/18	call	6	6	0

Expiration 2027-01-15

SYK open interest, settled 2026-10-21, expiration 2027-01-15, strikes 175 to 560

Strike	Expiry	Type	Prior OI	Settled OI	Change
175	01/15	call	14	14	0
175	01/15	put	51	51	0
180	01/15	put	1	1	0
185	01/15	put	6	6	0
190	01/15	call	1	1	0
190	01/15	put	7	7	0
195	01/15	put	46	46	0
200	01/15	call	16	16	0
200	01/15	put	35	35	0
210	01/15	call	2	2	0
210	01/15	put	108	108	0
220	01/15	call	1	1	0
220	01/15	put	203	203	0
230	01/15	call	1	1	0
230	01/15	put	24	24	0
240	01/15	call	7	7	0
240	01/15	put	95	95	0
250	01/15	call	12	12	0
250	01/15	put	545	546	+1
260	01/15	call	7	7	0
260	01/15	put	72	73	+1
270	01/15	call	101	101	0
270	01/15	put	181	180	-1
280	01/15	call	217	216	-1
280	01/15	put	162	162	0
290	01/15	call	155	155	0
290	01/15	put	128	127	-1
300	01/15	call	266	265	-1
300	01/15	put	298	299	+1
310	01/15	call	168	167	-1
310	01/15	put	134	134	0
320	01/15	call	324	326	+2
320	01/15	put	802	802	0
330	01/15	call	400	404	+4
330	01/15	put	59	59	0
340	01/15	call	268	268	0
340	01/15	put	560	560	0
350	01/15	call	132	140	+8
350	01/15	put	656	656	0
360	01/15	call	290	290	0
360	01/15	put	58	58	0
370	01/15	call	2,799	2,802	+3
370	01/15	put	45	45	0
380	01/15	call	843	843	0
380	01/15	put	32	32	0
390	01/15	call	404	399	-5
390	01/15	put	32	32	0
400	01/15	call	583	583	0
400	01/15	put	49	49	0
410	01/15	call	226	226	0
410	01/15	put	12	12	0
420	01/15	call	377	377	0
420	01/15	put	40	40	0
430	01/15	call	138	138	0
440	01/15	call	164	164	0
450	01/15	call	169	169	0
460	01/15	call	883	883	0
470	01/15	call	72	72	0
480	01/15	call	27	27	0
490	01/15	call	12	12	0
500	01/15	call	44	44	0
510	01/15	call	16	16	0
520	01/15	call	10	10	0
540	01/15	call	74	74	0
560	01/15	call	6	6	0

Expiration 2027-03-19

SYK open interest, settled 2026-10-21, expiration 2027-03-19, strikes 170 to 560

Strike	Expiry	Type	Prior OI	Settled OI	Change
170	03/19	put	5	5	0
175	03/19	put	1	2	+1
180	03/19	put	7	7	0
185	03/19	call	1	1	0
185	03/19	put	5	5	0
190	03/19	put	5	5	0
195	03/19	put	11	11	0
200	03/19	call	5	5	0
200	03/19	put	36	35	-1
210	03/19	call	22	22	0
210	03/19	put	61	61	0
220	03/19	call	1	1	0
220	03/19	put	51	51	0
230	03/19	call	4	4	0
230	03/19	put	38	38	0
240	03/19	call	23	23	0
240	03/19	put	52	52	0
250	03/19	call	13	13	0
250	03/19	put	52	52	0
260	03/19	call	10	10	0
260	03/19	put	43	44	+1
270	03/19	call	19	19	0
270	03/19	put	75	75	0
280	03/19	call	25	25	0
280	03/19	put	119	119	0
290	03/19	call	80	82	+2
290	03/19	put	80	82	+2
300	03/19	call	123	122	-1
300	03/19	put	224	224	0
310	03/19	call	70	69	-1
310	03/19	put	62	62	0
320	03/19	call	92	92	0
320	03/19	put	81	81	0
330	03/19	call	128	128	0
330	03/19	put	119	119	0
340	03/19	call	115	115	0
340	03/19	put	65	65	0
350	03/19	call	121	123	+2
350	03/19	put	5	5	0
360	03/19	call	48	48	0
360	03/19	put	1	1	0
370	03/19	call	108	111	+3
380	03/19	call	59	59	0
390	03/19	call	205	205	0
400	03/19	call	221	221	0
410	03/19	call	8	8	0
420	03/19	call	27	27	0
430	03/19	call	5	5	0
440	03/19	call	9	9	0
450	03/19	call	15	15	0
460	03/19	call	20	20	0
470	03/19	call	9	9	0
480	03/19	call	11	11	0
490	03/19	call	9	9	0
500	03/19	call	7	7	0
510	03/19	call	8	8	0
520	03/19	call	3	3	0
560	03/19	call	1	1	0

Expiration 2027-06-17

SYK open interest, settled 2026-10-21, expiration 2027-06-17, strikes 170 to 490

Strike	Expiry	Type	Prior OI	Settled OI	Change
170	06/17	call	2	2	0
170	06/17	put	5	5	0
175	06/17	call	3	3	0
175	06/17	put	8	8	0
180	06/17	put	1	1	0
185	06/17	put	3	3	0
190	06/17	put	4	4	0
195	06/17	put	1	1	0
200	06/17	call	4	4	0
200	06/17	put	4	4	0
210	06/17	put	16	16	0
220	06/17	call	4	4	0
220	06/17	put	17	17	0
230	06/17	call	2	2	0
230	06/17	put	32	32	0
240	06/17	put	43	43	0
250	06/17	call	5	5	0
250	06/17	put	14	14	0
260	06/17	call	1	1	0
260	06/17	put	25	25	0
270	06/17	call	1	1	0
270	06/17	put	16	14	-2
280	06/17	call	9	9	0
280	06/17	put	5	5	0
290	06/17	call	3	3	0
290	06/17	put	7	8	+1
300	06/17	call	4	4	0
300	06/17	put	20	20	0
310	06/17	call	7	7	0
310	06/17	put	358	360	+2
320	06/17	call	23	23	0
320	06/17	put	17	18	+1
330	06/17	call	18	19	+1
330	06/17	put	9	9	0
340	06/17	call	117	117	0
340	06/17	put	9	9	0
350	06/17	call	29	29	0
350	06/17	put	327	327	0
360	06/17	call	23	23	0
360	06/17	put	2	2	0
370	06/17	call	3	3	0
380	06/17	call	13	13	0
400	06/17	call	18	18	0
410	06/17	call	3	3	0
420	06/17	call	7	7	0
430	06/17	call	6	6	0
440	06/17	call	2	2	0
460	06/17	call	2	2	0
490	06/17	call	10	10	0

Expiration 2027-09-17

SYK open interest, settled 2026-10-21, expiration 2027-09-17, strikes 160 to 460

Strike	Expiry	Type	Prior OI	Settled OI
160	09/17	put	5	5
170	09/17	put	25	25
175	09/17	put	70	70
180	09/17	put	19	19
185	09/17	put	2	2
190	09/17	put	1	1
200	09/17	put	7	7
210	09/17	put	7	7
220	09/17	call	5	5
220	09/17	put	68	68
230	09/17	call	1	1
230	09/17	put	3	3
240	09/17	put	3	3
250	09/17	call	7	7
250	09/17	put	4	4
260	09/17	put	6	6
270	09/17	call	1	1
270	09/17	put	40	40
280	09/17	call	11	11
280	09/17	put	22	22
290	09/17	put	8	8
300	09/17	call	4	4
300	09/17	put	22	22
310	09/17	call	13	13
310	09/17	put	250	250
320	09/17	call	112	112
320	09/17	put	5	5
330	09/17	call	137	137
340	09/17	call	1	1
340	09/17	put	3	3
350	09/17	call	15	15
350	09/17	put	5	5
360	09/17	call	7	7
360	09/17	put	3	3
370	09/17	call	9	9
380	09/17	call	1	1
380	09/17	put	55	55
390	09/17	call	2	2
400	09/17	call	1	1
420	09/17	call	8	8
430	09/17	call	5	5
460	09/17	call	5	5

Later expirations (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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