RF Options Open Interest by Strike, Oct 21 Settlement
RF 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 10 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, 224 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 22 to 34. Source: SquawkFlow's archive of settled open interest. Counts are contracts, not trades; they do not identify which side opened or closed a position.
RF: largest changes in the full book, settled 2026-10-21 vs 2026-10-20
Strike
Expiry
Type
Prior OI
Settled OI
Change
29
11/20
call
258
344
+86
30
01/15
call
2,546
2,595
+49
33
11/20
call
575
533
-42
28
11/20
call
1,314
1,344
+30
28
02/19
call
19
35
+16
32
03/19
call
415
430
+15
26
11/20
put
359
350
-9
34
01/15
call
23
31
+8
30
11/20
call
3,250
3,256
+6
29
12/18
call
235
241
+6
29
11/20
put
87
83
-4
30
12/18
call
760
756
-4
31
11/20
call
183
186
+3
34
11/20
call
284
281
-3
31
12/18
call
555
557
+2
Expiration 2026-11-20
RF open interest, settled 2026-10-21, expiration 2026-11-20, strikes 15 to 38
Strike
Expiry
Type
Prior OI
Settled OI
Change
15
11/20
put
1
1
0
17
11/20
put
1
1
0
18
11/20
put
42
42
0
19
11/20
put
11
11
0
20
11/20
put
2
2
0
21
11/20
call
2
2
0
21
11/20
put
3
3
0
22
11/20
call
1
1
0
22
11/20
put
29
29
0
23
11/20
put
35
35
0
24
11/20
call
36
36
0
24
11/20
put
72
73
+1
25
11/20
call
5
5
0
25
11/20
put
8,934
8,933
-1
26
11/20
call
4
4
0
26
11/20
put
359
350
-9
27
11/20
call
734
734
0
27
11/20
put
1,096
1,096
0
28
11/20
call
1,314
1,344
+30
28
11/20
put
49
49
0
29
11/20
call
258
344
+86
29
11/20
put
87
83
-4
30
11/20
call
3,250
3,256
+6
30
11/20
put
38
38
0
31
11/20
call
183
186
+3
32
11/20
call
482
482
0
33
11/20
call
575
533
-42
34
11/20
call
284
281
-3
35
11/20
call
432
432
0
36
11/20
call
108
108
0
37
11/20
call
13
13
0
38
11/20
call
5
5
0
Expiration 2026-12-18
RF open interest, settled 2026-10-21, expiration 2026-12-18, strikes 13 to 40
Strike
Expiry
Type
Prior OI
Settled OI
Change
13
12/18
put
57
57
0
15
12/18
put
5
5
0
18
12/18
put
41
41
0
20
12/18
call
1
1
0
20
12/18
put
5
5
0
21
12/18
call
10
10
0
21
12/18
put
10
10
0
22
12/18
call
4
4
0
22
12/18
put
152
152
0
23
12/18
call
17
17
0
23
12/18
put
25
25
0
24
12/18
put
25
25
0
25
12/18
call
80
80
0
25
12/18
put
65
66
+1
26
12/18
call
3
3
0
26
12/18
put
99
100
+1
27
12/18
call
136
135
-1
27
12/18
put
122
122
0
28
12/18
call
292
293
+1
28
12/18
put
152
152
0
29
12/18
call
235
241
+6
29
12/18
put
78
78
0
30
12/18
call
760
756
-4
30
12/18
put
63
63
0
31
12/18
call
555
557
+2
31
12/18
put
8
8
0
32
12/18
call
537
537
0
32
12/18
put
24
24
0
33
12/18
call
322
322
0
34
12/18
call
45
45
0
35
12/18
call
604
604
0
36
12/18
call
80
80
0
37
12/18
call
1
1
0
38
12/18
call
14
14
0
39
12/18
call
1
1
0
40
12/18
call
16
16
0
Expiration 2027-01-15
RF open interest, settled 2026-10-21, expiration 2027-01-15, strikes 10 to 40
Strike
Expiry
Type
Prior OI
Settled OI
Change
10
01/15
put
44
44
0
13
01/15
call
1
1
0
13
01/15
put
72
72
0
15
01/15
call
3
3
0
15
01/15
put
72
72
0
18
01/15
call
26
26
0
18
01/15
put
785
785
0
20
01/15
call
102
102
0
20
01/15
put
2,215
2,215
0
22
01/15
call
88
88
0
22
01/15
put
4,284
4,284
0
23
01/15
call
4
4
0
23
01/15
put
8
8
0
24
01/15
call
5
5
0
24
01/15
put
8
8
0
25
01/15
call
622
622
0
25
01/15
put
8,897
8,897
0
26
01/15
call
5
5
0
26
01/15
put
9
9
0
27
01/15
call
2,893
2,893
0
27
01/15
put
3,032
3,032
0
28
01/15
call
210
210
0
28
01/15
put
729
729
0
29
01/15
call
59
59
0
29
01/15
put
88
88
0
30
01/15
call
2,546
2,595
+49
30
01/15
put
609
609
0
31
01/15
call
105
105
0
31
01/15
put
14
14
0
32
01/15
call
2,760
2,760
0
32
01/15
put
10
10
0
33
01/15
call
402
402
0
33
01/15
put
4
4
0
34
01/15
call
23
31
+8
35
01/15
call
1,802
1,802
0
35
01/15
put
7
7
0
36
01/15
call
13
13
0
37
01/15
call
1
1
0
40
01/15
call
283
283
0
Expiration 2027-02-19
RF open interest, settled 2026-10-21, expiration 2027-02-19, strikes 15 to 39
Strike
Expiry
Type
Prior OI
Settled OI
Change
15
02/19
put
1
1
0
20
02/19
put
1
1
0
21
02/19
call
15
15
0
21
02/19
put
2
2
0
22
02/19
put
1
1
0
24
02/19
put
127
127
0
25
02/19
put
2
2
0
26
02/19
put
110
110
0
27
02/19
call
1
2
+1
27
02/19
put
32
32
0
28
02/19
call
19
35
+16
28
02/19
put
35
35
0
29
02/19
call
3
3
0
29
02/19
put
15
15
0
30
02/19
call
419
419
0
30
02/19
put
15
15
0
31
02/19
call
36
36
0
31
02/19
put
1
1
0
32
02/19
call
49
49
0
32
02/19
put
15
15
0
33
02/19
call
107
107
0
34
02/19
call
11
11
0
35
02/19
call
10
10
0
39
02/19
call
1
1
0
Expiration 2027-03-19
RF open interest, settled 2026-10-21, expiration 2027-03-19, strikes 15 to 40
Strike
Expiry
Type
Prior OI
Settled OI
Change
15
03/19
put
96
96
0
18
03/19
put
4,062
4,062
0
20
03/19
put
28
28
0
23
03/19
call
5
5
0
23
03/19
put
100
100
0
25
03/19
call
101
101
0
25
03/19
put
517
517
0
26
03/19
call
5
5
0
26
03/19
put
10
10
0
27
03/19
call
95
95
0
27
03/19
put
631
631
0
28
03/19
call
401
401
0
28
03/19
put
12
12
0
29
03/19
call
82
82
0
29
03/19
put
16
16
0
30
03/19
call
2,534
2,534
0
30
03/19
put
496
496
0
31
03/19
call
20
20
0
31
03/19
put
1
1
0
32
03/19
call
415
430
+15
32
03/19
put
1
1
0
33
03/19
put
2
2
0
34
03/19
call
1
1
0
35
03/19
call
29
29
0
40
03/19
call
3
3
0
Expiration 2027-05-21
RF open interest, settled 2026-10-21, expiration 2027-05-21, strikes 22 to 29
Strike
Expiry
Type
Prior OI
Settled OI
Change
22
05/21
put
0
2
+2
25
05/21
put
10
10
0
27
05/21
call
2
2
0
27
05/21
put
4
4
0
29
05/21
call
1
1
0
29
05/21
put
10
10
0
Later expirations (2027-06-17, 2027-09-17, 2028-01-21, 2029-01-19) and all other strikes are in the Markdown table.