DHR Options Open Interest by Strike, Oct 21 Settlement

DHR 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 13 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, 623 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 187 to 281. Source: SquawkFlow's archive of settled open interest. Counts are contracts, not trades; they do not identify which side opened or closed a position.

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

Strike	Expiry	Type	Prior OI	Settled OI	Change
200	11/20	put	489	3,961	+3,472
205	10/23	put	816	385	-431
215	10/23	put	1,026	639	-387
235	10/23	call	1,551	1,165	-386
227.5	10/30	call	6	252	+246
232.5	10/23	call	327	473	+146
210	12/18	call	994	1,136	+142
230	10/23	call	588	467	-121
220	10/23	put	1,108	992	-116
240	12/18	call	858	745	-113
227.5	10/23	call	145	253	+108
250	10/23	call	680	577	-103
210	10/23	put	576	483	-93
200	10/23	put	559	468	-91
270	12/18	call	528	441	-87

Expiration 2026-10-23

DHR open interest, settled 2026-10-21, expiration 2026-10-23, strikes 175 to 285

Strike	Expiry	Type	Prior OI	Settled OI	Change
175	10/23	call	3	3	0
175	10/23	put	20	20	0
180	10/23	call	0	1	+1
180	10/23	put	52	52	0
182.5	10/23	call	0	4	+4
182.5	10/23	put	20	20	0
185	10/23	call	1	1	0
185	10/23	put	36	36	0
187.5	10/23	put	5	4	-1
190	10/23	call	1	1	0
190	10/23	put	203	190	-13
192.5	10/23	put	5	5	0
195	10/23	put	152	154	+2
197.5	10/23	put	65	65	0
200	10/23	call	3	3	0
200	10/23	put	559	468	-91
202.5	10/23	call	2	2	0
202.5	10/23	put	95	73	-22
205	10/23	call	2	2	0
205	10/23	put	816	385	-431
207.5	10/23	call	8	13	+5
207.5	10/23	put	126	93	-33
210	10/23	call	43	16	-27
210	10/23	put	576	483	-93
212.5	10/23	put	742	743	+1
215	10/23	call	33	32	-1
215	10/23	put	1,026	639	-387
217.5	10/23	call	7	7	0
217.5	10/23	put	154	168	+14
220	10/23	call	43	22	-21
220	10/23	put	1,108	992	-116
222.5	10/23	call	19	16	-3
222.5	10/23	put	128	130	+2
225	10/23	call	213	168	-45
225	10/23	put	557	500	-57
227.5	10/23	call	145	253	+108
227.5	10/23	put	88	86	-2
230	10/23	call	588	467	-121
230	10/23	put	78	100	+22
232.5	10/23	call	327	473	+146
232.5	10/23	put	11	18	+7
235	10/23	call	1,551	1,165	-386
235	10/23	put	2	2	0
237.5	10/23	call	91	87	-4
237.5	10/23	put	0	10	+10
240	10/23	call	592	556	-36
242.5	10/23	call	117	126	+9
245	10/23	call	494	448	-46
247.5	10/23	call	101	115	+14
250	10/23	call	680	577	-103
252.5	10/23	call	24	24	0
255	10/23	call	319	271	-48
257.5	10/23	call	1	1	0
260	10/23	call	622	539	-83
262.5	10/23	call	0	1	+1
265	10/23	call	19	18	-1
267.5	10/23	call	2	2	0
270	10/23	call	114	119	+5
275	10/23	call	954	954	0
285	10/23	call	3	3	0

Expiration 2026-10-30

DHR open interest, settled 2026-10-21, expiration 2026-10-30, strikes 130 to 275

Strike	Expiry	Type	Prior OI	Settled OI	Change
130	10/30	put	0	2	+2
135	10/30	put	0	1	+1
140	10/30	call	8	8	0
175	10/30	put	9	9	0
180	10/30	call	1	1	0
180	10/30	put	7	7	0
185	10/30	call	2	2	0
185	10/30	put	20	20	0
187.5	10/30	put	1	1	0
190	10/30	call	1	1	0
190	10/30	put	22	22	0
192.5	10/30	put	3	3	0
195	10/30	call	2	2	0
195	10/30	put	31	31	0
200	10/30	put	136	109	-27
202.5	10/30	put	1	0	-1
205	10/30	put	25	16	-9
207.5	10/30	put	10	10	0
210	10/30	call	1	29	+28
210	10/30	put	25	23	-2
212.5	10/30	call	1	1	0
212.5	10/30	put	51	51	0
215	10/30	call	2	3	+1
215	10/30	put	9	25	+16
217.5	10/30	call	1	1	0
217.5	10/30	put	23	21	-2
220	10/30	call	26	24	-2
220	10/30	put	157	162	+5
222.5	10/30	call	1	84	+83
222.5	10/30	put	1	6	+5
225	10/30	call	243	259	+16
225	10/30	put	131	93	-38
227.5	10/30	call	6	252	+246
227.5	10/30	put	59	62	+3
230	10/30	call	67	100	+33
230	10/30	put	1	15	+14
232.5	10/30	call	91	88	-3
232.5	10/30	put	0	5	+5
235	10/30	call	240	240	0
235	10/30	put	6	18	+12
237.5	10/30	call	9	10	+1
240	10/30	call	76	83	+7
240	10/30	put	1	1	0
242.5	10/30	call	2	35	+33
245	10/30	call	16	19	+3
247.5	10/30	call	30	30	0
250	10/30	call	73	152	+79
252.5	10/30	call	4	4	0
255	10/30	call	6	6	0
260	10/30	call	9	9	0
262.5	10/30	call	7	7	0
265	10/30	call	4	6	+2
270	10/30	call	38	38	0
275	10/30	call	5	5	0

Expiration 2026-11-06

DHR open interest, settled 2026-10-21, expiration 2026-11-06, strikes 180 to 275

Strike	Expiry	Type	Prior OI	Settled OI	Change
180	11/06	call	2	2	0
180	11/06	put	2	2	0
185	11/06	put	6	6	0
190	11/06	call	1	1	0
190	11/06	put	15	15	0
195	11/06	put	6	5	-1
200	11/06	call	1	1	0
200	11/06	put	43	42	-1
205	11/06	put	8	8	0
207.5	11/06	put	10	10	0
210	11/06	call	0	27	+27
210	11/06	put	12	12	0
212.5	11/06	call	0	1	+1
215	11/06	call	0	1	+1
215	11/06	put	24	26	+2
220	11/06	call	5	5	0
220	11/06	put	3	3	0
222.5	11/06	call	2	2	0
225	11/06	call	13	31	+18
225	11/06	put	20	22	+2
227.5	11/06	call	0	24	+24
227.5	11/06	put	0	12	+12
230	11/06	call	2	16	+14
230	11/06	put	6	11	+5
232.5	11/06	put	25	26	+1
235	11/06	call	34	34	0
235	11/06	put	1	1	0
240	11/06	call	8	9	+1
245	11/06	call	16	16	0
250	11/06	call	5	5	0
260	11/06	call	1	1	0
265	11/06	call	2	2	0
275	11/06	call	1	1	0

Expiration 2026-11-13

DHR open interest, settled 2026-10-21, expiration 2026-11-13, strikes 175 to 275

Strike	Expiry	Type	Prior OI	Settled OI	Change
175	11/13	put	1	1	0
180	11/13	call	3	3	0
180	11/13	put	1	1	0
185	11/13	put	6	1	-5
190	11/13	put	15	10	-5
200	11/13	put	4	4	0
205	11/13	call	2	2	0
205	11/13	put	12	13	+1
210	11/13	call	1	1	0
210	11/13	put	3	3	0
215	11/13	call	6	6	0
215	11/13	put	16	16	0
220	11/13	call	18	18	0
220	11/13	put	2	2	0
225	11/13	call	18	21	+3
225	11/13	put	2	22	+20
230	11/13	call	4	17	+13
230	11/13	put	1	3	+2
235	11/13	call	1	8	+7
235	11/13	put	1	1	0
240	11/13	call	5	5	0
245	11/13	call	49	49	0
250	11/13	call	82	83	+1
255	11/13	call	6	6	0
260	11/13	call	1	1	0
265	11/13	call	0	1	+1
275	11/13	put	0	1	+1

Expiration 2026-11-20

DHR open interest, settled 2026-10-21, expiration 2026-11-20, strikes 150 to 290

Strike	Expiry	Type	Prior OI	Settled OI	Change
150	11/20	call	1	1	0
150	11/20	put	3	3	0
155	11/20	put	4	4	0
160	11/20	put	2	2	0
165	11/20	put	6	6	0
170	11/20	call	2	2	0
170	11/20	put	45	45	0
175	11/20	put	50	60	+10
180	11/20	put	181	180	-1
185	11/20	put	292	292	0
190	11/20	call	45	45	0
190	11/20	put	473	463	-10
195	11/20	call	83	83	0
195	11/20	put	638	633	-5
200	11/20	call	90	90	0
200	11/20	put	489	3,961	+3,472
205	11/20	put	14	13	-1
207.5	11/20	put	20	21	+1
210	11/20	call	160	144	-16
210	11/20	put	567	544	-23
212.5	11/20	put	1	3	+2
215	11/20	put	74	159	+85
217.5	11/20	put	122	167	+45
220	11/20	call	426	419	-7
220	11/20	put	343	314	-29
222.5	11/20	call	0	1	+1
222.5	11/20	put	3	4	+1
225	11/20	call	268	272	+4
225	11/20	put	17	26	+9
227.5	11/20	call	810	814	+4
227.5	11/20	put	23	33	+10
230	11/20	call	1,012	1,013	+1
230	11/20	put	35	72	+37
232.5	11/20	call	189	201	+12
232.5	11/20	put	0	3	+3
235	11/20	call	1	51	+50
235	11/20	put	0	1	+1
237.5	11/20	call	201	207	+6
240	11/20	call	833	834	+1
240	11/20	put	9	9	0
242.5	11/20	call	2	2	0
245	11/20	call	13	25	+12
247.5	11/20	call	5	2	-3
250	11/20	call	871	866	-5
250	11/20	put	4	4	0
252.5	11/20	call	0	10	+10
255	11/20	call	8	9	+1
260	11/20	call	683	697	+14
265	11/20	call	3	3	0
270	11/20	call	235	239	+4
280	11/20	call	33	33	0
290	11/20	call	54	54	0

Expiration 2026-11-27

DHR open interest, settled 2026-10-21, expiration 2026-11-27, strikes 170 to 285

Strike	Expiry	Type	Prior OI	Settled OI	Change
170	11/27	put	1	1	0
185	11/27	put	145	98	-47
190	11/27	put	3	2	-1
195	11/27	put	5	10	+5
200	11/27	put	2	6	+4
205	11/27	put	2	2	0
210	11/27	put	144	98	-46
215	11/27	put	2	1	-1
220	11/27	call	2	2	0
220	11/27	put	15	15	0
225	11/27	call	1	1	0
225	11/27	put	2	1	-1
230	11/27	call	1	3	+2
230	11/27	put	1	2	+1
235	11/27	put	0	1	+1
240	11/27	call	142	98	-44
245	11/27	call	0	1	+1
250	11/27	call	18	19	+1
255	11/27	call	2	2	0
260	11/27	call	2	11	+9
265	11/27	call	143	98	-45
285	11/27	call	1	1	0

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