SNDK Options Open Interest by Strike, Oct 21 Settlement

SNDK 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 21 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, 9,612 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 1,079 to 1,618. Source: SquawkFlow's archive of settled open interest. Counts are contracts, not trades; they do not identify which side opened or closed a position.

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

Strike	Expiry	Type	Prior OI	Settled OI	Change
1,380	10/23	put	353	988	+635
1,700	10/23	call	1,220	1,753	+533
1,500	10/23	call	3,221	3,683	+462
1,800	10/30	call	569	1,023	+454
1,350	10/23	put	734	1,155	+421
1,360	10/23	put	179	590	+411
1,370	10/23	put	324	637	+313
800	12/15	put	214	515	+301
920	11/20	put	180	456	+276
1,470	10/23	call	153	369	+216
1,300	10/30	put	627	843	+216
1,340	01/15	put	304	516	+212
800	10/30	put	57	259	+202
2,510	01/21	call	59	258	+199
1,350	01/15	put	877	1,062	+185

Expiration 2026-10-23

SNDK open interest, settled 2026-10-21, expiration 2026-10-23, strikes 1,250 to 1,445

Strike	Expiry	Type	Prior OI	Settled OI	Change
1,250	10/23	call	74	53	-21
1,250	10/23	put	1,243	1,377	+134
1,255	10/23	call	32	31	-1
1,255	10/23	put	130	173	+43
1,260	10/23	call	24	24	0
1,260	10/23	put	323	357	+34
1,265	10/23	call	1	1	0
1,265	10/23	put	106	154	+48
1,270	10/23	call	141	147	+6
1,270	10/23	put	324	319	-5
1,275	10/23	call	107	108	+1
1,275	10/23	put	183	189	+6
1,280	10/23	call	44	60	+16
1,280	10/23	put	223	236	+13
1,285	10/23	call	125	126	+1
1,285	10/23	put	229	237	+8
1,290	10/23	call	55	54	-1
1,290	10/23	put	340	332	-8
1,295	10/23	call	64	66	+2
1,295	10/23	put	210	223	+13
1,300	10/23	call	420	459	+39
1,300	10/23	put	1,071	1,192	+121
1,305	10/23	call	87	88	+1
1,305	10/23	put	138	130	-8
1,310	10/23	call	130	132	+2
1,310	10/23	put	145	190	+45
1,315	10/23	call	143	138	-5
1,315	10/23	put	511	568	+57
1,320	10/23	call	208	204	-4
1,320	10/23	put	270	273	+3
1,325	10/23	call	89	175	+86
1,325	10/23	put	259	289	+30
1,330	10/23	call	260	253	-7
1,330	10/23	put	306	340	+34
1,335	10/23	call	90	89	-1
1,335	10/23	put	189	188	-1
1,340	10/23	call	274	271	-3
1,340	10/23	put	401	449	+48
1,345	10/23	call	123	136	+13
1,345	10/23	put	219	214	-5
1,350	10/23	call	578	653	+75
1,350	10/23	put	734	1,155	+421
1,355	10/23	call	145	189	+44
1,355	10/23	put	122	157	+35
1,360	10/23	call	368	550	+182
1,360	10/23	put	179	590	+411
1,365	10/23	call	148	149	+1
1,365	10/23	put	245	253	+8
1,370	10/23	call	151	195	+44
1,370	10/23	put	324	637	+313
1,375	10/23	call	346	391	+45
1,375	10/23	put	281	389	+108
1,380	10/23	call	383	398	+15
1,380	10/23	put	353	988	+635
1,385	10/23	call	523	605	+82
1,385	10/23	put	329	290	-39
1,390	10/23	call	472	383	-89
1,390	10/23	put	203	242	+39
1,395	10/23	call	145	203	+58
1,395	10/23	put	192	297	+105
1,400	10/23	call	1,119	1,107	-12
1,400	10/23	put	502	544	+42
1,405	10/23	call	116	141	+25
1,405	10/23	put	128	157	+29
1,410	10/23	call	247	389	+142
1,410	10/23	put	144	211	+67
1,415	10/23	call	64	146	+82
1,415	10/23	put	96	104	+8
1,420	10/23	call	175	184	+9
1,420	10/23	put	416	403	-13
1,425	10/23	call	208	253	+45
1,425	10/23	put	130	127	-3
1,430	10/23	call	170	232	+62
1,430	10/23	put	101	113	+12
1,435	10/23	call	185	258	+73
1,435	10/23	put	98	96	-2
1,440	10/23	call	418	312	-106
1,440	10/23	put	89	147	+58
1,445	10/23	call	164	190	+26
1,445	10/23	put	148	153	+5

Expiration 2026-10-30

SNDK open interest, settled 2026-10-21, expiration 2026-10-30, strikes 1,250 to 1,445

Strike	Expiry	Type	Prior OI	Settled OI	Change
1,250	10/30	call	36	117	+81
1,250	10/30	put	440	536	+96
1,255	10/30	call	0	1	+1
1,255	10/30	put	28	27	-1
1,260	10/30	call	14	15	+1
1,260	10/30	put	106	117	+11
1,265	10/30	put	26	25	-1
1,270	10/30	call	11	11	0
1,270	10/30	put	115	124	+9
1,275	10/30	put	3	15	+12
1,280	10/30	call	20	20	0
1,280	10/30	put	158	194	+36
1,285	10/30	call	0	1	+1
1,285	10/30	put	1	3	+2
1,290	10/30	call	40	41	+1
1,290	10/30	put	110	194	+84
1,295	10/30	call	0	1	+1
1,295	10/30	put	8	12	+4
1,300	10/30	call	393	501	+108
1,300	10/30	put	627	843	+216
1,305	10/30	call	1	4	+3
1,305	10/30	put	21	23	+2
1,310	10/30	call	54	55	+1
1,310	10/30	put	76	77	+1
1,315	10/30	put	19	20	+1
1,320	10/30	call	138	141	+3
1,320	10/30	put	107	107	0
1,325	10/30	call	1	2	+1
1,325	10/30	put	25	33	+8
1,330	10/30	call	27	28	+1
1,330	10/30	put	253	260	+7
1,335	10/30	call	0	2	+2
1,335	10/30	put	8	14	+6
1,340	10/30	call	44	42	-2
1,340	10/30	put	199	201	+2
1,345	10/30	call	35	39	+4
1,345	10/30	put	96	99	+3
1,350	10/30	call	630	672	+42
1,350	10/30	put	709	861	+152
1,355	10/30	call	58	72	+14
1,355	10/30	put	28	31	+3
1,360	10/30	call	64	74	+10
1,360	10/30	put	122	118	-4
1,365	10/30	call	15	50	+35
1,365	10/30	put	11	17	+6
1,370	10/30	call	94	97	+3
1,370	10/30	put	177	205	+28
1,375	10/30	call	81	93	+12
1,375	10/30	put	142	147	+5
1,380	10/30	call	115	150	+35
1,380	10/30	put	348	345	-3
1,385	10/30	call	35	52	+17
1,385	10/30	put	24	66	+42
1,390	10/30	call	148	203	+55
1,390	10/30	put	299	293	-6
1,395	10/30	call	125	134	+9
1,395	10/30	put	4	22	+18
1,400	10/30	call	757	800	+43
1,400	10/30	put	713	721	+8
1,405	10/30	call	18	20	+2
1,405	10/30	put	2	4	+2
1,410	10/30	call	40	42	+2
1,410	10/30	put	91	92	+1
1,415	10/30	call	8	11	+3
1,415	10/30	put	14	16	+2
1,420	10/30	call	76	90	+14
1,420	10/30	put	182	185	+3
1,425	10/30	call	29	50	+21
1,425	10/30	put	135	135	0
1,430	10/30	call	143	148	+5
1,430	10/30	put	91	91	0
1,435	10/30	call	3	6	+3
1,435	10/30	put	31	36	+5
1,440	10/30	call	78	77	-1
1,440	10/30	put	82	81	-1
1,445	10/30	call	79	82	+3
1,445	10/30	put	3	3	0

Expiration 2026-11-06

SNDK open interest, settled 2026-10-21, expiration 2026-11-06, strikes 1,240 to 1,460

Strike	Expiry	Type	Prior OI	Settled OI	Change
1,240	11/06	put	37	39	+2
1,250	11/06	call	24	25	+1
1,250	11/06	put	131	139	+8
1,260	11/06	put	42	50	+8
1,270	11/06	call	1	4	+3
1,270	11/06	put	70	78	+8
1,280	11/06	call	6	11	+5
1,280	11/06	put	99	100	+1
1,290	11/06	call	11	38	+27
1,290	11/06	put	111	111	0
1,295	11/06	call	0	4	+4
1,295	11/06	put	1	1	0
1,300	11/06	call	66	78	+12
1,300	11/06	put	142	147	+5
1,305	11/06	call	4	4	0
1,305	11/06	put	1	2	+1
1,310	11/06	call	9	9	0
1,310	11/06	put	57	59	+2
1,315	11/06	call	2	2	0
1,315	11/06	put	2	2	0
1,320	11/06	call	25	25	0
1,320	11/06	put	31	32	+1
1,325	11/06	call	28	26	-2
1,325	11/06	put	0	2	+2
1,330	11/06	call	11	19	+8
1,330	11/06	put	45	44	-1
1,335	11/06	put	1	2	+1
1,340	11/06	call	25	25	0
1,340	11/06	put	128	138	+10
1,345	11/06	call	7	7	0
1,345	11/06	put	15	18	+3
1,350	11/06	call	57	59	+2
1,350	11/06	put	149	160	+11
1,355	11/06	call	4	7	+3
1,355	11/06	put	5	12	+7
1,360	11/06	call	21	63	+42
1,360	11/06	put	43	48	+5
1,365	11/06	call	13	17	+4
1,365	11/06	put	53	53	0
1,370	11/06	call	15	16	+1
1,370	11/06	put	111	106	-5
1,375	11/06	call	13	15	+2
1,375	11/06	put	18	18	0
1,380	11/06	call	38	56	+18
1,380	11/06	put	103	107	+4
1,385	11/06	call	113	117	+4
1,385	11/06	put	11	13	+2
1,390	11/06	call	8	9	+1
1,390	11/06	put	77	85	+8
1,395	11/06	call	35	36	+1
1,395	11/06	put	2	2	0
1,400	11/06	call	650	648	-2
1,400	11/06	put	407	415	+8
1,405	11/06	call	14	14	0
1,405	11/06	put	5	5	0
1,410	11/06	call	34	47	+13
1,410	11/06	put	51	51	0
1,415	11/06	call	4	8	+4
1,415	11/06	put	14	14	0
1,420	11/06	call	52	57	+5
1,420	11/06	put	55	55	0
1,425	11/06	call	74	75	+1
1,425	11/06	put	1	1	0
1,430	11/06	call	31	35	+4
1,430	11/06	put	34	34	0
1,435	11/06	put	0	1	+1
1,440	11/06	call	13	13	0
1,440	11/06	put	37	37	0
1,445	11/06	call	3	3	0
1,445	11/06	put	1	1	0
1,450	11/06	call	79	86	+7
1,450	11/06	put	121	106	-15
1,455	11/06	call	8	8	0
1,455	11/06	put	2	2	0
1,460	11/06	call	22	37	+15
1,460	11/06	put	51	47	-4

Expiration 2026-11-13

SNDK open interest, settled 2026-10-21, expiration 2026-11-13, strikes 1,220 to 1,475

Strike	Expiry	Type	Prior OI	Settled OI	Change
1,220	11/13	call	1	1	0
1,220	11/13	put	37	43	+6
1,230	11/13	put	12	12	0
1,240	11/13	put	18	22	+4
1,250	11/13	put	70	76	+6
1,260	11/13	call	1	1	0
1,260	11/13	put	21	41	+20
1,270	11/13	call	2	2	0
1,270	11/13	put	29	54	+25
1,280	11/13	call	7	7	0
1,280	11/13	put	98	97	-1
1,290	11/13	put	25	29	+4
1,300	11/13	call	30	29	-1
1,300	11/13	put	150	144	-6
1,310	11/13	call	1	1	0
1,310	11/13	put	44	45	+1
1,320	11/13	call	8	59	+51
1,320	11/13	put	78	78	0
1,330	11/13	call	13	20	+7
1,330	11/13	put	52	64	+12
1,340	11/13	call	49	49	0
1,340	11/13	put	63	78	+15
1,345	11/13	call	1	1	0
1,345	11/13	put	10	10	0
1,350	11/13	call	6	11	+5
1,350	11/13	put	87	87	0
1,355	11/13	call	6	8	+2
1,355	11/13	put	32	33	+1
1,360	11/13	call	19	19	0
1,360	11/13	put	72	72	0
1,365	11/13	call	9	10	+1
1,365	11/13	put	29	32	+3
1,370	11/13	call	7	7	0
1,370	11/13	put	124	124	0
1,375	11/13	call	16	16	0
1,375	11/13	put	26	27	+1
1,380	11/13	call	44	40	-4
1,380	11/13	put	62	61	-1
1,385	11/13	call	4	4	0
1,390	11/13	call	11	15	+4
1,390	11/13	put	11	11	0
1,395	11/13	call	7	12	+5
1,395	11/13	put	2	2	0
1,400	11/13	call	33	32	-1
1,400	11/13	put	105	106	+1
1,405	11/13	call	1	1	0
1,405	11/13	put	10	10	0
1,410	11/13	call	20	27	+7
1,410	11/13	put	26	26	0
1,415	11/13	call	5	6	+1
1,415	11/13	put	3	3	0
1,420	11/13	call	147	151	+4
1,420	11/13	put	29	31	+2
1,425	11/13	call	0	5	+5
1,425	11/13	put	4	4	0
1,430	11/13	call	108	109	+1
1,430	11/13	put	30	30	0
1,435	11/13	call	1	1	0
1,435	11/13	put	1	2	+1
1,440	11/13	call	5	6	+1
1,440	11/13	put	42	42	0
1,445	11/13	call	2	2	0
1,445	11/13	put	5	5	0
1,450	11/13	call	69	69	0
1,450	11/13	put	63	62	-1
1,455	11/13	call	1	3	+2
1,455	11/13	put	9	10	+1
1,460	11/13	call	9	18	+9
1,460	11/13	put	71	71	0
1,465	11/13	call	11	11	0
1,465	11/13	put	33	34	+1
1,470	11/13	call	24	24	0
1,470	11/13	put	18	18	0
1,475	11/13	call	5	5	0
1,475	11/13	put	25	24	-1

Expiration 2026-11-20

SNDK open interest, settled 2026-10-21, expiration 2026-11-20, strikes 1,200 to 1,490

Strike	Expiry	Type	Prior OI	Settled OI	Change
1,200	11/20	call	124	124	0
1,200	11/20	put	1,265	1,260	-5
1,210	11/20	call	147	147	0
1,210	11/20	put	208	203	-5
1,220	11/20	call	14	14	0
1,220	11/20	put	271	291	+20
1,230	11/20	call	122	122	0
1,230	11/20	put	161	164	+3
1,240	11/20	call	29	29	0
1,240	11/20	put	389	389	0
1,250	11/20	call	276	276	0
1,250	11/20	put	1,136	1,142	+6
1,260	11/20	call	42	45	+3
1,260	11/20	put	188	188	0
1,270	11/20	call	51	51	0
1,270	11/20	put	119	133	+14
1,280	11/20	call	111	111	0
1,280	11/20	put	454	453	-1
1,290	11/20	call	72	72	0
1,290	11/20	put	344	346	+2
1,295	11/20	put	62	62	0
1,300	11/20	call	342	343	+1
1,300	11/20	put	755	759	+4
1,305	11/20	call	4	4	0
1,305	11/20	put	4	4	0
1,310	11/20	call	69	65	-4
1,310	11/20	put	250	255	+5
1,315	11/20	put	17	17	0
1,320	11/20	call	37	35	-2
1,320	11/20	put	166	180	+14
1,325	11/20	call	1	1	0
1,325	11/20	put	6	6	0
1,330	11/20	call	59	60	+1
1,330	11/20	put	161	161	0
1,335	11/20	call	10	47	+37
1,335	11/20	put	24	24	0
1,340	11/20	call	93	95	+2
1,340	11/20	put	506	506	0
1,345	11/20	call	1	5	+4
1,345	11/20	put	32	32	0
1,350	11/20	call	310	320	+10
1,350	11/20	put	923	923	0
1,355	11/20	call	43	43	0
1,355	11/20	put	43	43	0
1,360	11/20	call	126	126	0
1,360	11/20	put	245	239	-6
1,365	11/20	call	6	5	-1
1,365	11/20	put	32	31	-1
1,370	11/20	call	141	141	0
1,370	11/20	put	375	363	-12
1,375	11/20	call	32	37	+5
1,375	11/20	put	16	57	+41
1,380	11/20	call	75	79	+4
1,380	11/20	put	231	231	0
1,385	11/20	call	44	70	+26
1,385	11/20	put	83	87	+4
1,390	11/20	call	107	109	+2
1,390	11/20	put	254	253	-1
1,400	11/20	call	205	207	+2
1,400	11/20	put	1,068	1,077	+9
1,410	11/20	call	95	86	-9
1,410	11/20	put	82	92	+10
1,420	11/20	call	133	122	-11
1,420	11/20	put	243	244	+1
1,430	11/20	call	145	202	+57
1,430	11/20	put	193	254	+61
1,440	11/20	call	314	320	+6
1,440	11/20	put	181	173	-8
1,450	11/20	call	343	293	-50
1,450	11/20	put	1,250	1,218	-32
1,460	11/20	call	101	112	+11
1,460	11/20	put	149	146	-3
1,470	11/20	call	79	79	0
1,470	11/20	put	516	471	-45
1,480	11/20	call	154	156	+2
1,480	11/20	put	225	223	-2
1,490	11/20	call	120	119	-1
1,490	11/20	put	182	180	-2

Expiration 2026-11-27

SNDK open interest, settled 2026-10-21, expiration 2026-11-27, strikes 1,220 to 1,475

Strike	Expiry	Type	Prior OI	Settled OI	Change
1,220	11/27	put	31	32	+1
1,230	11/27	call	7	7	0
1,230	11/27	put	49	47	-2
1,240	11/27	call	6	6	0
1,240	11/27	put	21	19	-2
1,250	11/27	call	5	5	0
1,250	11/27	put	89	90	+1
1,260	11/27	call	2	2	0
1,260	11/27	put	29	31	+2
1,270	11/27	put	16	16	0
1,280	11/27	put	60	60	0
1,290	11/27	put	67	69	+2
1,300	11/27	call	15	15	0
1,300	11/27	put	83	85	+2
1,310	11/27	call	9	9	0
1,310	11/27	put	27	30	+3
1,320	11/27	put	49	65	+16
1,330	11/27	call	10	10	0
1,330	11/27	put	15	21	+6
1,340	11/27	call	2	2	0
1,340	11/27	put	80	76	-4
1,345	11/27	call	5	5	0
1,345	11/27	put	4	4	0
1,350	11/27	call	7	8	+1
1,350	11/27	put	53	58	+5
1,355	11/27	call	5	7	+2
1,355	11/27	put	2	2	0
1,360	11/27	call	18	19	+1
1,360	11/27	put	18	20	+2
1,365	11/27	call	3	4	+1
1,365	11/27	put	17	16	-1
1,370	11/27	call	19	19	0
1,370	11/27	put	18	14	-4
1,375	11/27	call	8	14	+6
1,375	11/27	put	2	30	+28
1,380	11/27	call	12	10	-2
1,380	11/27	put	87	88	+1
1,385	11/27	call	9	10	+1
1,385	11/27	put	5	4	-1
1,390	11/27	call	1	3	+2
1,390	11/27	put	29	29	0
1,395	11/27	call	2	4	+2
1,395	11/27	put	5	5	0
1,400	11/27	call	37	41	+4
1,400	11/27	put	86	85	-1
1,405	11/27	call	3	3	0
1,405	11/27	put	3	3	0
1,410	11/27	call	0	2	+2
1,410	11/27	put	27	27	0
1,415	11/27	call	0	2	+2
1,415	11/27	put	0	1	+1
1,420	11/27	call	32	32	0
1,420	11/27	put	4	4	0
1,425	11/27	put	2	2	0
1,430	11/27	call	24	24	0
1,430	11/27	put	8	15	+7
1,435	11/27	call	6	6	0
1,435	11/27	put	0	1	+1
1,440	11/27	call	14	14	0
1,440	11/27	put	90	90	0
1,445	11/27	put	6	6	0
1,450	11/27	call	42	42	0
1,450	11/27	put	41	42	+1
1,455	11/27	put	3	3	0
1,460	11/27	call	3	4	+1
1,460	11/27	put	76	77	+1
1,465	11/27	call	1	1	0
1,465	11/27	put	4	4	0
1,470	11/27	call	4	4	0
1,470	11/27	put	4	4	0
1,475	11/27	call	2	1	-1
1,475	11/27	put	12	12	0

Later expirations (2026-12-18, 2027-01-15, 2027-02-19, 2027-03-19, 2027-05-21, 2027-06-17, 2027-07-16, 2027-08-20, 2027-09-17, 2027-12-17, 2028-01-21, 2028-06-16, 2028-09-15, 2028-12-15, 2029-01-19) and all other strikes are in the Markdown table.

Markdown table | Open interest changes across symbols

TODAY

TOOLS

LEARN

SITE