NET Options Open Interest by Strike, Oct 21 Settlement
NET 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 17 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, 1,709 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 247 to 371. Source: SquawkFlow's archive of settled open interest. Counts are contracts, not trades; they do not identify which side opened or closed a position.
NET: largest changes in the full book, settled 2026-10-21 vs 2026-10-20
Strike
Expiry
Type
Prior OI
Settled OI
Change
305
10/23
call
5,581
3,248
-2,333
400
01/15
call
260
2,174
+1,914
330
10/30
call
107
1,775
+1,668
490
11/06
call
3
703
+700
330
01/15
put
377
984
+607
335
10/30
call
98
518
+420
320
10/23
call
591
965
+374
330
12/18
call
161
494
+333
300
10/23
put
554
859
+305
200
09/17
put
325
618
+293
270
12/18
put
1,179
948
-231
330
10/23
call
487
713
+226
320
06/17
put
47
273
+226
285
10/23
put
872
647
-225
360
10/30
call
141
308
+167
Expiration 2026-10-23
NET open interest, settled 2026-10-21, expiration 2026-10-23, strikes 260 to 360
Strike
Expiry
Type
Prior OI
Settled OI
Change
260
10/23
call
66
66
0
260
10/23
put
815
847
+32
265
10/23
call
2
2
0
265
10/23
put
227
245
+18
267.5
10/23
put
18
19
+1
270
10/23
call
11
11
0
270
10/23
put
507
541
+34
272.5
10/23
put
31
31
0
275
10/23
call
11
11
0
275
10/23
put
87
121
+34
277.5
10/23
call
1
1
0
277.5
10/23
put
44
49
+5
280
10/23
call
24
24
0
280
10/23
put
609
718
+109
282.5
10/23
call
1
1
0
282.5
10/23
put
52
51
-1
285
10/23
call
14
14
0
285
10/23
put
872
647
-225
287.5
10/23
call
10
11
+1
287.5
10/23
put
74
75
+1
290
10/23
call
23
20
-3
290
10/23
put
410
479
+69
292.5
10/23
call
32
31
-1
292.5
10/23
put
97
98
+1
295
10/23
call
302
223
-79
295
10/23
put
218
260
+42
297.5
10/23
call
168
159
-9
297.5
10/23
put
35
128
+93
300
10/23
call
348
298
-50
300
10/23
put
554
859
+305
302.5
10/23
call
70
47
-23
302.5
10/23
put
8
21
+13
305
10/23
call
5,581
3,248
-2,333
305
10/23
put
97
125
+28
307.5
10/23
call
118
110
-8
307.5
10/23
put
75
77
+2
310
10/23
call
267
291
+24
310
10/23
put
425
464
+39
312.5
10/23
call
12
109
+97
312.5
10/23
put
39
76
+37
315
10/23
call
455
464
+9
315
10/23
put
135
132
-3
317.5
10/23
call
118
151
+33
317.5
10/23
put
60
76
+16
320
10/23
call
591
965
+374
320
10/23
put
181
151
-30
322.5
10/23
call
148
187
+39
322.5
10/23
put
14
12
-2
325
10/23
call
437
487
+50
325
10/23
put
81
80
-1
327.5
10/23
call
68
99
+31
327.5
10/23
put
28
28
0
330
10/23
call
487
713
+226
330
10/23
put
97
96
-1
332.5
10/23
call
64
74
+10
332.5
10/23
put
44
44
0
335
10/23
call
284
313
+29
335
10/23
put
30
30
0
337.5
10/23
call
8
14
+6
337.5
10/23
put
22
22
0
340
10/23
call
159
173
+14
340
10/23
put
259
258
-1
342.5
10/23
call
22
28
+6
342.5
10/23
put
8
8
0
345
10/23
call
84
100
+16
345
10/23
put
70
70
0
347.5
10/23
call
31
31
0
350
10/23
call
295
300
+5
350
10/23
put
5
5
0
352.5
10/23
call
44
42
-2
352.5
10/23
put
1
1
0
355
10/23
call
89
87
-2
355
10/23
put
3
3
0
357.5
10/23
call
45
43
-2
357.5
10/23
put
0
1
+1
360
10/23
call
248
246
-2
360
10/23
put
49
49
0
Expiration 2026-10-30
NET open interest, settled 2026-10-21, expiration 2026-10-30, strikes 257.5 to 360
Strike
Expiry
Type
Prior OI
Settled OI
Change
257.5
10/30
put
2
3
+1
260
10/30
call
9
9
0
260
10/30
put
134
163
+29
265
10/30
call
1
1
0
265
10/30
put
57
55
-2
270
10/30
call
9
9
0
270
10/30
put
180
181
+1
272.5
10/30
call
1
1
0
275
10/30
call
1
1
0
275
10/30
put
171
176
+5
277.5
10/30
call
0
1
+1
277.5
10/30
put
2
52
+50
280
10/30
call
9
10
+1
280
10/30
put
270
269
-1
282.5
10/30
put
2
4
+2
285
10/30
call
24
21
-3
285
10/30
put
93
97
+4
287.5
10/30
call
1
1
0
290
10/30
call
3
3
0
290
10/30
put
58
92
+34
292.5
10/30
call
5
4
-1
292.5
10/30
put
0
3
+3
295
10/30
call
11
15
+4
295
10/30
put
84
85
+1
297.5
10/30
call
38
38
0
297.5
10/30
put
4
6
+2
300
10/30
call
79
80
+1
300
10/30
put
111
121
+10
302.5
10/30
call
8
20
+12
302.5
10/30
put
10
20
+10
305
10/30
call
114
126
+12
305
10/30
put
98
98
0
307.5
10/30
call
50
49
-1
307.5
10/30
put
8
12
+4
310
10/30
call
44
87
+43
310
10/30
put
45
46
+1
312.5
10/30
call
23
36
+13
312.5
10/30
put
0
12
+12
315
10/30
call
35
60
+25
315
10/30
put
32
32
0
317.5
10/30
call
16
39
+23
317.5
10/30
put
3
3
0
320
10/30
call
54
157
+103
320
10/30
put
269
266
-3
322.5
10/30
call
15
44
+29
322.5
10/30
put
1
2
+1
325
10/30
call
44
92
+48
325
10/30
put
173
176
+3
327.5
10/30
call
0
30
+30
327.5
10/30
put
52
52
0
330
10/30
call
107
1,775
+1,668
330
10/30
put
49
49
0
332.5
10/30
call
3
5
+2
332.5
10/30
put
1
1
0
335
10/30
call
98
518
+420
335
10/30
put
113
113
0
337.5
10/30
call
15
64
+49
337.5
10/30
put
6
6
0
340
10/30
call
87
156
+69
340
10/30
put
109
109
0
342.5
10/30
call
7
8
+1
342.5
10/30
put
4
4
0
345
10/30
call
508
608
+100
345
10/30
put
56
56
0
347.5
10/30
call
8
9
+1
347.5
10/30
put
10
10
0
350
10/30
call
162
206
+44
350
10/30
put
105
105
0
352.5
10/30
call
3
19
+16
352.5
10/30
put
2
2
0
355
10/30
call
30
74
+44
355
10/30
put
7
7
0
357.5
10/30
call
12
12
0
357.5
10/30
put
3
3
0
360
10/30
call
141
308
+167
360
10/30
put
11
11
0
Expiration 2026-11-06
NET open interest, settled 2026-10-21, expiration 2026-11-06, strikes 235 to 380
Strike
Expiry
Type
Prior OI
Settled OI
Change
235
11/06
call
8
8
0
235
11/06
put
8
8
0
240
11/06
put
23
23
0
245
11/06
put
16
16
0
250
11/06
put
65
70
+5
255
11/06
call
4
4
0
255
11/06
put
13
18
+5
260
11/06
call
2
2
0
260
11/06
put
67
79
+12
265
11/06
call
1
0
-1
265
11/06
put
48
58
+10
270
11/06
call
7
6
-1
270
11/06
put
65
65
0
272.5
11/06
put
14
14
0
275
11/06
call
2
2
0
275
11/06
put
39
39
0
277.5
11/06
put
30
31
+1
280
11/06
call
13
13
0
280
11/06
put
46
45
-1
282.5
11/06
put
1
1
0
285
11/06
call
3
2
-1
285
11/06
put
33
32
-1
287.5
11/06
put
1
1
0
290
11/06
call
12
12
0
290
11/06
put
61
62
+1
292.5
11/06
call
3
3
0
292.5
11/06
put
2
2
0
295
11/06
call
8
10
+2
295
11/06
put
49
48
-1
297.5
11/06
call
1
1
0
297.5
11/06
put
2
2
0
300
11/06
call
83
86
+3
300
11/06
put
122
126
+4
302.5
11/06
put
6
2
-4
305
11/06
call
41
39
-2
305
11/06
put
48
50
+2
307.5
11/06
put
0
1
+1
310
11/06
call
9
9
0
310
11/06
put
43
58
+15
312.5
11/06
call
8
15
+7
312.5
11/06
put
0
1
+1
315
11/06
call
15
42
+27
315
11/06
put
25
25
0
317.5
11/06
call
8
20
+12
317.5
11/06
put
10
10
0
320
11/06
call
19
24
+5
320
11/06
put
39
39
0
325
11/06
call
22
25
+3
325
11/06
put
31
31
0
330
11/06
call
434
428
-6
330
11/06
put
15
16
+1
335
11/06
call
310
310
0
335
11/06
put
4
4
0
340
11/06
call
25
31
+6
340
11/06
put
28
28
0
345
11/06
call
33
35
+2
345
11/06
put
16
16
0
350
11/06
call
126
145
+19
350
11/06
put
30
30
0
355
11/06
call
40
41
+1
355
11/06
put
11
11
0
360
11/06
call
46
64
+18
360
11/06
put
13
13
0
365
11/06
call
24
26
+2
365
11/06
put
3
3
0
370
11/06
call
73
74
+1
370
11/06
put
29
29
0
375
11/06
call
4
5
+1
380
11/06
call
76
76
0
Expiration 2026-11-13
NET open interest, settled 2026-10-21, expiration 2026-11-13, strikes 210 to 405
Strike
Expiry
Type
Prior OI
Settled OI
Change
210
11/13
call
3
3
0
215
11/13
put
1
2
+1
220
11/13
call
1
1
0
225
11/13
call
2
2
0
225
11/13
put
2
2
0
230
11/13
put
4
4
0
235
11/13
put
1
1
0
240
11/13
call
1
1
0
240
11/13
put
53
53
0
245
11/13
call
1
1
0
245
11/13
put
17
17
0
250
11/13
put
84
84
0
255
11/13
call
1
1
0
255
11/13
put
28
28
0
260
11/13
call
1
1
0
260
11/13
put
7
13
+6
265
11/13
call
1
1
0
265
11/13
put
22
22
0
270
11/13
put
48
48
0
275
11/13
put
39
39
0
280
11/13
call
1
1
0
280
11/13
put
43
41
-2
285
11/13
put
13
13
0
290
11/13
call
2
2
0
290
11/13
put
23
24
+1
295
11/13
call
6
6
0
295
11/13
put
25
24
-1
300
11/13
call
11
11
0
300
11/13
put
62
75
+13
305
11/13
call
2
12
+10
305
11/13
put
13
23
+10
310
11/13
call
9
8
-1
310
11/13
put
26
26
0
315
11/13
call
43
43
0
315
11/13
put
7
7
0
320
11/13
call
17
18
+1
320
11/13
put
17
18
+1
325
11/13
call
4
6
+2
325
11/13
put
6
6
0
330
11/13
call
13
13
0
330
11/13
put
7
7
0
335
11/13
call
4
12
+8
335
11/13
put
7
10
+3
340
11/13
call
10
10
0
340
11/13
put
25
25
0
345
11/13
call
6
15
+9
345
11/13
put
1
1
0
350
11/13
call
10
13
+3
350
11/13
put
3
3
0
355
11/13
call
2
7
+5
355
11/13
put
3
3
0
360
11/13
call
11
25
+14
360
11/13
put
6
6
0
365
11/13
call
3
4
+1
365
11/13
put
2
2
0
370
11/13
call
5
8
+3
375
11/13
call
5
6
+1
380
11/13
call
11
11
0
385
11/13
call
8
8
0
390
11/13
call
6
7
+1
395
11/13
call
3
3
0
400
11/13
call
7
39
+32
405
11/13
call
2
2
0
405
11/13
put
1
1
0
Expiration 2026-11-20
NET open interest, settled 2026-10-21, expiration 2026-11-20, strikes 210 to 410
Strike
Expiry
Type
Prior OI
Settled OI
Change
210
11/20
call
51
51
0
210
11/20
put
563
563
0
220
11/20
call
253
253
0
220
11/20
put
484
484
0
230
11/20
call
69
69
0
230
11/20
put
406
401
-5
240
11/20
call
264
264
0
240
11/20
put
1,586
1,580
-6
245
11/20
put
9
12
+3
250
11/20
call
574
560
-14
250
11/20
put
656
660
+4
255
11/20
put
6
17
+11
260
11/20
call
550
536
-14
260
11/20
put
321
325
+4
265
11/20
put
18
22
+4
270
11/20
call
111
110
-1
270
11/20
put
1,471
1,502
+31
272.5
11/20
put
1
1
0
275
11/20
put
4
4
0
277.5
11/20
call
11
11
0
277.5
11/20
put
1
1
0
280
11/20
call
162
161
-1
280
11/20
put
321
330
+9
285
11/20
put
4
11
+7
287.5
11/20
call
2
2
0
287.5
11/20
put
17
17
0
290
11/20
call
388
384
-4
290
11/20
put
603
611
+8
292.5
11/20
put
7
7
0
295
11/20
put
34
36
+2
297.5
11/20
put
3
3
0
300
11/20
call
387
388
+1
300
11/20
put
445
458
+13
302.5
11/20
call
103
103
0
302.5
11/20
put
20
21
+1
305
11/20
call
6
22
+16
305
11/20
put
3
3
0
307.5
11/20
call
39
40
+1
307.5
11/20
put
3
11
+8
310
11/20
call
420
457
+37
310
11/20
put
243
247
+4
312.5
11/20
call
11
13
+2
312.5
11/20
put
9
10
+1
315
11/20
call
32
37
+5
315
11/20
put
4
5
+1
317.5
11/20
call
16
17
+1
317.5
11/20
put
10
7
-3
320
11/20
call
218
245
+27
320
11/20
put
319
410
+91
325
11/20
call
21
24
+3
325
11/20
put
1
1
0
330
11/20
call
252
259
+7
330
11/20
put
349
349
0
335
11/20
call
12
12
0
335
11/20
put
5
5
0
340
11/20
call
1,157
1,169
+12
340
11/20
put
177
177
0
350
11/20
call
709
713
+4
350
11/20
put
1,989
1,987
-2
360
11/20
call
1,427
1,429
+2
360
11/20
put
111
109
-2
370
11/20
call
824
845
+21
370
11/20
put
451
451
0
380
11/20
call
382
392
+10
380
11/20
put
22
22
0
390
11/20
call
309
307
-2
390
11/20
put
27
27
0
400
11/20
call
3,045
3,061
+16
400
11/20
put
35
35
0
410
11/20
call
455
462
+7
Expiration 2026-11-27
NET open interest, settled 2026-10-21, expiration 2026-11-27, strikes 210 to 410
Strike
Expiry
Type
Prior OI
Settled OI
Change
210
11/27
put
42
42
0
215
11/27
put
1
1
0
220
11/27
put
37
37
0
225
11/27
put
6
7
+1
230
11/27
put
3
3
0
235
11/27
call
2
2
0
235
11/27
put
3
3
0
240
11/27
call
1
1
0
240
11/27
put
17
18
+1
245
11/27
put
5
5
0
250
11/27
put
8
10
+2
255
11/27
call
1
1
0
255
11/27
put
34
40
+6
260
11/27
call
4
4
0
260
11/27
put
26
26
0
265
11/27
call
2
2
0
265
11/27
put
2
7
+5
270
11/27
call
1
1
0
270
11/27
put
12
19
+7
275
11/27
put
19
19
0
280
11/27
call
1
1
0
280
11/27
put
25
28
+3
285
11/27
call
2
2
0
285
11/27
put
12
12
0
290
11/27
put
20
20
0
295
11/27
call
8
4
-4
295
11/27
put
6
6
0
300
11/27
call
3
3
0
300
11/27
put
22
22
0
305
11/27
call
1
4
+3
305
11/27
put
5
5
0
310
11/27
call
4
5
+1
310
11/27
put
5
5
0
315
11/27
call
0
7
+7
315
11/27
put
5
5
0
320
11/27
call
3
6
+3
320
11/27
put
1
1
0
325
11/27
call
4
4
0
330
11/27
call
2
3
+1
330
11/27
put
3
4
+1
335
11/27
call
1
1
0
335
11/27
put
1
1
0
340
11/27
call
16
16
0
340
11/27
put
6
6
0
345
11/27
call
12
12
0
345
11/27
put
1
1
0
350
11/27
call
5
6
+1
350
11/27
put
2
2
0
355
11/27
call
1
1
0
360
11/27
call
7
7
0
365
11/27
call
7
12
+5
370
11/27
call
6
28
+22
375
11/27
call
5
5
0
380
11/27
call
10
10
0
380
11/27
put
1
1
0
385
11/27
call
5
6
+1
390
11/27
call
23
23
0
400
11/27
call
17
17
0
405
11/27
call
1
1
0
410
11/27
call
10
11
+1
Later expirations (2026-12-18, 2027-01-15, 2027-02-19, 2027-03-19, 2027-05-21, 2027-06-17, 2027-09-17, 2028-01-21, 2028-06-16, 2028-12-15, 2029-01-19) and all other strikes are in the Markdown table.