AMAT Options Open Interest by Strike, Oct 21 Settlement
AMAT 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, 2,432 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 312 to 468. Source: SquawkFlow's archive of settled open interest. Counts are contracts, not trades; they do not identify which side opened or closed a position.
AMAT: largest changes in the full book, settled 2026-10-21 vs 2026-10-20
Strike
Expiry
Type
Prior OI
Settled OI
Change
385
11/06
put
208
1,223
+1,015
400
11/06
put
142
643
+501
440
10/30
call
2,064
2,508
+444
395
10/30
call
1
351
+350
390
10/30
call
6
353
+347
470
10/23
put
429
112
-317
800
01/19
call
87
398
+311
322.5
10/30
put
17
287
+270
397.5
10/23
put
810
583
-227
350
10/23
put
140
343
+203
660
01/21
call
130
329
+199
450
10/23
call
723
919
+196
422.5
10/23
call
74
262
+188
680
01/15
put
269
86
-183
340
01/15
put
1,982
2,144
+162
Expiration 2026-10-23
AMAT open interest, settled 2026-10-21, expiration 2026-10-23, strikes 342.5 to 440
Strike
Expiry
Type
Prior OI
Settled OI
Change
342.5
10/23
put
281
294
+13
345
10/23
put
79
85
+6
347.5
10/23
put
33
38
+5
350
10/23
call
3
3
0
350
10/23
put
140
343
+203
352.5
10/23
call
1
1
0
352.5
10/23
put
22
23
+1
355
10/23
call
3
3
0
355
10/23
put
101
106
+5
357.5
10/23
put
24
38
+14
360
10/23
call
3
3
0
360
10/23
put
165
164
-1
362.5
10/23
put
33
37
+4
365
10/23
call
1
1
0
365
10/23
put
169
182
+13
367.5
10/23
put
53
64
+11
370
10/23
call
3
3
0
370
10/23
put
270
315
+45
372.5
10/23
call
1
1
0
372.5
10/23
put
89
115
+26
375
10/23
put
195
222
+27
377.5
10/23
put
87
115
+28
380
10/23
call
2
3
+1
380
10/23
put
364
417
+53
382.5
10/23
call
2
2
0
382.5
10/23
put
281
300
+19
385
10/23
call
2
2
0
385
10/23
put
163
192
+29
387.5
10/23
call
14
14
0
387.5
10/23
put
165
176
+11
390
10/23
call
15
17
+2
390
10/23
put
184
194
+10
392.5
10/23
call
63
105
+42
392.5
10/23
put
92
90
-2
395
10/23
call
31
92
+61
395
10/23
put
466
528
+62
397.5
10/23
call
42
47
+5
397.5
10/23
put
810
583
-227
400
10/23
call
474
472
-2
400
10/23
put
424
490
+66
402.5
10/23
call
41
64
+23
402.5
10/23
put
104
101
-3
405
10/23
call
526
535
+9
405
10/23
put
223
209
-14
407.5
10/23
call
27
41
+14
407.5
10/23
put
149
172
+23
410
10/23
call
64
135
+71
410
10/23
put
448
462
+14
412.5
10/23
call
61
119
+58
412.5
10/23
put
54
52
-2
415
10/23
call
227
247
+20
415
10/23
put
433
433
0
417.5
10/23
call
67
170
+103
417.5
10/23
put
59
72
+13
420
10/23
call
507
488
-19
420
10/23
put
693
677
-16
422.5
10/23
call
74
262
+188
422.5
10/23
put
71
65
-6
425
10/23
call
321
427
+106
425
10/23
put
223
219
-4
427.5
10/23
call
99
130
+31
427.5
10/23
put
78
77
-1
430
10/23
call
1,685
1,666
-19
430
10/23
put
175
227
+52
432.5
10/23
call
146
194
+48
432.5
10/23
put
27
28
+1
435
10/23
call
497
526
+29
435
10/23
put
138
136
-2
437.5
10/23
call
60
75
+15
437.5
10/23
put
37
37
0
440
10/23
call
1,488
1,500
+12
440
10/23
put
151
133
-18
Expiration 2026-10-30
AMAT open interest, settled 2026-10-21, expiration 2026-10-30, strikes 342.5 to 440
Strike
Expiry
Type
Prior OI
Settled OI
Change
342.5
10/30
put
8
7
-1
345
10/30
put
50
55
+5
347.5
10/30
put
9
10
+1
350
10/30
call
8
8
0
350
10/30
put
89
89
0
352.5
10/30
put
11
11
0
355
10/30
call
2
2
0
355
10/30
put
273
261
-12
357.5
10/30
put
33
34
+1
360
10/30
put
80
87
+7
362.5
10/30
put
25
26
+1
365
10/30
put
193
226
+33
367.5
10/30
put
185
192
+7
370
10/30
call
15
15
0
370
10/30
put
97
124
+27
372.5
10/30
put
52
54
+2
375
10/30
call
2
2
0
375
10/30
put
285
311
+26
377.5
10/30
call
1
1
0
377.5
10/30
put
8
39
+31
380
10/30
call
3
3
0
380
10/30
put
98
120
+22
382.5
10/30
put
22
41
+19
385
10/30
call
1
1
0
385
10/30
put
109
112
+3
387.5
10/30
call
1
1
0
387.5
10/30
put
16
16
0
390
10/30
call
6
353
+347
390
10/30
put
96
147
+51
392.5
10/30
put
72
75
+3
395
10/30
call
1
351
+350
395
10/30
put
127
128
+1
397.5
10/30
put
25
26
+1
400
10/30
call
276
278
+2
400
10/30
put
292
313
+21
402.5
10/30
call
3
3
0
402.5
10/30
put
160
160
0
405
10/30
call
11
10
-1
405
10/30
put
163
173
+10
407.5
10/30
call
7
10
+3
407.5
10/30
put
45
49
+4
410
10/30
call
45
55
+10
410
10/30
put
390
376
-14
412.5
10/30
call
26
41
+15
412.5
10/30
put
16
15
-1
415
10/30
call
53
117
+64
415
10/30
put
111
112
+1
417.5
10/30
call
36
57
+21
417.5
10/30
put
27
27
0
420
10/30
call
94
140
+46
420
10/30
put
331
336
+5
422.5
10/30
call
55
60
+5
422.5
10/30
put
27
27
0
425
10/30
call
95
96
+1
425
10/30
put
202
208
+6
427.5
10/30
call
21
21
0
427.5
10/30
put
40
40
0
430
10/30
call
71
167
+96
430
10/30
put
278
302
+24
432.5
10/30
call
19
23
+4
432.5
10/30
put
23
23
0
435
10/30
call
47
65
+18
435
10/30
put
118
117
-1
437.5
10/30
call
53
53
0
437.5
10/30
put
16
23
+7
440
10/30
call
2,064
2,508
+444
440
10/30
put
139
150
+11
Expiration 2026-11-06
AMAT open interest, settled 2026-10-21, expiration 2026-11-06, strikes 315 to 470
Strike
Expiry
Type
Prior OI
Settled OI
Change
315
11/06
put
53
53
0
320
11/06
call
20
20
0
320
11/06
put
41
43
+2
325
11/06
put
13
13
0
330
11/06
put
29
31
+2
335
11/06
put
74
74
0
340
11/06
call
2
2
0
340
11/06
put
29
29
0
345
11/06
put
16
17
+1
350
11/06
put
90
140
+50
355
11/06
put
170
187
+17
360
11/06
call
2
2
0
360
11/06
put
151
170
+19
365
11/06
put
163
207
+44
370
11/06
call
1
1
0
370
11/06
put
95
105
+10
375
11/06
call
1
1
0
375
11/06
put
271
310
+39
380
11/06
call
4
5
+1
380
11/06
put
146
154
+8
385
11/06
call
17
17
0
385
11/06
put
208
1,223
+1,015
390
11/06
call
7
7
0
390
11/06
put
162
171
+9
392.5
11/06
call
7
7
0
395
11/06
put
1,168
1,169
+1
397.5
11/06
call
1
1
0
397.5
11/06
put
19
19
0
400
11/06
call
184
189
+5
400
11/06
put
142
643
+501
402.5
11/06
call
1
1
0
402.5
11/06
put
91
91
0
405
11/06
call
1
11
+10
405
11/06
put
78
79
+1
407.5
11/06
call
6
6
0
407.5
11/06
put
3
3
0
410
11/06
call
10
64
+54
410
11/06
put
104
105
+1
412.5
11/06
call
0
4
+4
412.5
11/06
put
22
22
0
415
11/06
call
12
16
+4
415
11/06
put
192
196
+4
420
11/06
call
39
43
+4
420
11/06
put
131
133
+2
422.5
11/06
call
10
11
+1
422.5
11/06
put
0
1
+1
425
11/06
call
39
39
0
425
11/06
put
126
126
0
427.5
11/06
call
15
16
+1
427.5
11/06
put
2
12
+10
430
11/06
call
36
48
+12
430
11/06
put
214
228
+14
432.5
11/06
call
6
6
0
435
11/06
call
14
15
+1
435
11/06
put
105
105
0
440
11/06
call
36
37
+1
440
11/06
put
203
199
-4
445
11/06
call
14
14
0
445
11/06
put
105
99
-6
450
11/06
call
119
128
+9
450
11/06
put
408
407
-1
455
11/06
call
196
197
+1
455
11/06
put
83
83
0
460
11/06
call
41
43
+2
460
11/06
put
75
73
-2
465
11/06
call
139
139
0
465
11/06
put
82
82
0
470
11/06
call
47
50
+3
470
11/06
put
93
91
-2
Expiration 2026-11-13
AMAT open interest, settled 2026-10-21, expiration 2026-11-13, strikes 295 to 490
Strike
Expiry
Type
Prior OI
Settled OI
Change
295
11/13
put
91
91
0
300
11/13
put
78
78
0
305
11/13
put
6
6
0
310
11/13
put
5
5
0
315
11/13
put
26
26
0
320
11/13
put
5
5
0
325
11/13
put
109
109
0
330
11/13
put
28
32
+4
335
11/13
call
1
1
0
335
11/13
put
25
25
0
340
11/13
put
16
16
0
345
11/13
put
100
100
0
350
11/13
call
1
1
0
350
11/13
put
111
122
+11
355
11/13
put
4
5
+1
360
11/13
put
54
70
+16
365
11/13
put
1,925
1,945
+20
370
11/13
call
11
11
0
370
11/13
put
31
44
+13
375
11/13
call
1
1
0
375
11/13
put
50
58
+8
380
11/13
call
1
1
0
380
11/13
put
103
103
0
385
11/13
call
2
5
+3
385
11/13
put
47
67
+20
390
11/13
call
3
3
0
390
11/13
put
112
112
0
395
11/13
call
26
26
0
395
11/13
put
75
96
+21
400
11/13
call
28
28
0
400
11/13
put
262
262
0
405
11/13
call
7
8
+1
405
11/13
put
96
96
0
410
11/13
call
17
23
+6
410
11/13
put
93
110
+17
415
11/13
call
54
56
+2
415
11/13
put
24
26
+2
420
11/13
call
60
64
+4
420
11/13
put
136
135
-1
425
11/13
call
58
65
+7
425
11/13
put
82
82
0
430
11/13
call
107
114
+7
430
11/13
put
333
333
0
435
11/13
call
97
102
+5
435
11/13
put
161
170
+9
440
11/13
call
27
28
+1
440
11/13
put
86
86
0
445
11/13
call
30
31
+1
445
11/13
put
119
119
0
450
11/13
call
80
88
+8
450
11/13
put
91
91
0
455
11/13
call
31
35
+4
455
11/13
put
235
235
0
460
11/13
call
17
19
+2
460
11/13
put
97
95
-2
465
11/13
call
61
66
+5
465
11/13
put
36
36
0
470
11/13
call
20
25
+5
470
11/13
put
60
60
0
475
11/13
call
83
85
+2
475
11/13
put
39
39
0
480
11/13
call
22
22
0
480
11/13
put
58
58
0
485
11/13
call
59
59
0
485
11/13
put
40
40
0
490
11/13
call
22
27
+5
490
11/13
put
53
53
0
Expiration 2026-11-20
AMAT open interest, settled 2026-10-21, expiration 2026-11-20, strikes 300 to 490
Strike
Expiry
Type
Prior OI
Settled OI
Change
300
11/20
call
90
90
0
300
11/20
put
1,664
1,668
+4
310
11/20
call
63
63
0
310
11/20
put
449
466
+17
320
11/20
call
18
18
0
320
11/20
put
856
839
-17
330
11/20
call
39
39
0
330
11/20
put
1,238
1,245
+7
340
11/20
call
51
51
0
340
11/20
put
555
563
+8
350
11/20
call
167
167
0
350
11/20
put
1,503
1,523
+20
360
11/20
call
38
38
0
360
11/20
put
1,226
1,224
-2
370
11/20
call
254
256
+2
370
11/20
put
3,927
3,933
+6
375
11/20
put
36
67
+31
380
11/20
call
186
173
-13
380
11/20
put
2,460
2,453
-7
385
11/20
put
13
13
0
390
11/20
call
328
328
0
390
11/20
put
1,060
1,061
+1
392.5
11/20
call
0
2
+2
392.5
11/20
put
0
2
+2
395
11/20
call
0
1
+1
395
11/20
put
27
28
+1
397.5
11/20
call
0
2
+2
397.5
11/20
put
1
21
+20
400
11/20
call
294
327
+33
400
11/20
put
3,294
3,322
+28
402.5
11/20
call
2
2
0
402.5
11/20
put
220
215
-5
405
11/20
call
10
10
0
405
11/20
put
30
31
+1
407.5
11/20
call
3
10
+7
407.5
11/20
put
68
69
+1
410
11/20
call
269
291
+22
410
11/20
put
2,580
2,578
-2
412.5
11/20
call
30
50
+20
412.5
11/20
put
53
82
+29
415
11/20
call
14
32
+18
415
11/20
put
24
180
+156
417.5
11/20
call
33
37
+4
417.5
11/20
put
2
14
+12
420
11/20
call
487
492
+5
420
11/20
put
1,362
1,357
-5
422.5
11/20
call
104
108
+4
422.5
11/20
put
3
8
+5
425
11/20
call
72
73
+1
425
11/20
put
15
15
0
427.5
11/20
call
3
4
+1
427.5
11/20
put
4
6
+2
430
11/20
call
637
665
+28
430
11/20
put
1,215
1,220
+5
432.5
11/20
call
0
2
+2
432.5
11/20
put
0
18
+18
435
11/20
call
0
4
+4
435
11/20
put
3
6
+3
437.5
11/20
call
2
9
+7
440
11/20
call
1,543
1,549
+6
440
11/20
put
1,518
1,518
0
445
11/20
call
10
11
+1
445
11/20
put
8
49
+41
450
11/20
call
1,155
1,145
-10
450
11/20
put
2,180
2,181
+1
455
11/20
call
25
27
+2
455
11/20
put
7
5
-2
460
11/20
call
518
525
+7
460
11/20
put
630
628
-2
465
11/20
call
7
8
+1
465
11/20
put
13
23
+10
470
11/20
call
518
520
+2
470
11/20
put
736
718
-18
480
11/20
call
833
836
+3
480
11/20
put
1,749
1,751
+2
490
11/20
call
1,569
1,544
-25
490
11/20
put
668
666
-2
Expiration 2026-11-27
AMAT open interest, settled 2026-10-21, expiration 2026-11-27, strikes 290 to 495
Strike
Expiry
Type
Prior OI
Settled OI
Change
290
11/27
put
2
2
0
295
11/27
put
1
1
0
300
11/27
put
10
10
0
315
11/27
put
1
1
0
320
11/27
put
17
19
+2
325
11/27
put
1
1
0
330
11/27
put
26
26
0
335
11/27
put
11
11
0
340
11/27
put
16
16
0
345
11/27
put
6
7
+1
350
11/27
put
20
20
0
355
11/27
put
207
212
+5
360
11/27
put
39
37
-2
365
11/27
put
18
18
0
370
11/27
put
30
37
+7
375
11/27
put
15
15
0
380
11/27
put
38
53
+15
385
11/27
call
3
3
0
385
11/27
put
54
54
0
390
11/27
call
1
1
0
390
11/27
put
31
32
+1
395
11/27
call
1
1
0
395
11/27
put
1,533
1,533
0
400
11/27
call
23
23
0
400
11/27
put
77
77
0
405
11/27
call
12
12
0
405
11/27
put
13
13
0
410
11/27
call
5
9
+4
410
11/27
put
24
25
+1
415
11/27
call
20
21
+1
415
11/27
put
35
36
+1
420
11/27
call
43
45
+2
420
11/27
put
34
34
0
425
11/27
call
6
6
0
425
11/27
put
93
93
0
430
11/27
call
19
19
0
430
11/27
put
63
63
0
435
11/27
call
2
5
+3
435
11/27
put
6
7
+1
440
11/27
call
44
49
+5
440
11/27
put
31
31
0
445
11/27
call
12
12
0
445
11/27
put
8
8
0
450
11/27
call
16
16
0
450
11/27
put
29
30
+1
455
11/27
call
13
15
+2
455
11/27
put
4
5
+1
460
11/27
call
8
12
+4
460
11/27
put
16
18
+2
465
11/27
call
4
4
0
465
11/27
put
7
8
+1
470
11/27
call
16
19
+3
470
11/27
put
218
219
+1
475
11/27
call
216
215
-1
475
11/27
put
15
15
0
480
11/27
call
16
16
0
480
11/27
put
34
36
+2
485
11/27
call
4
5
+1
485
11/27
put
4
7
+3
490
11/27
call
13
13
0
490
11/27
put
9
9
0
495
11/27
call
5
8
+3
495
11/27
put
31
31
0
Later expirations (2026-12-18, 2027-01-15, 2027-02-19, 2027-03-19, 2027-04-16, 2027-06-17, 2027-09-17, 2027-12-17, 2028-01-21, 2028-12-15, 2029-01-19) and all other strikes are in the Markdown table.