NIO Options Open Interest by Strike, Oct 21 Settlement
NIO 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 16 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, 322 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 3 to 4. Source: SquawkFlow's archive of settled open interest. Counts are contracts, not trades; they do not identify which side opened or closed a position.
NIO: largest changes in the full book, settled 2026-10-21 vs 2026-10-20
Strike
Expiry
Type
Prior OI
Settled OI
Change
3.5
01/15
call
39,012
41,945
+2,933
3.5
10/23
call
9,268
10,814
+1,546
8
01/15
call
30,793
31,914
+1,121
4
01/15
call
40,780
41,572
+792
4
01/21
call
26,733
27,508
+775
3.5
10/30
put
3,290
4,027
+737
3.5
10/30
call
4,755
5,403
+648
3.5
11/06
call
3,982
4,630
+648
12
01/15
call
44,329
44,959
+630
7
01/15
call
200,309
199,744
-565
11
01/15
call
2,384
1,822
-562
5.5
01/15
put
23,290
22,867
-423
4
11/13
call
1,975
2,329
+354
5
11/20
call
31,827
31,573
-254
4
03/19
call
7,028
7,261
+233
Expiration 2026-10-23
NIO open interest, settled 2026-10-21, expiration 2026-10-23, strikes 0.5 to 7.5
Strike
Expiry
Type
Prior OI
Settled OI
Change
0.5
10/23
call
464
489
+25
0.5
10/23
put
5
5
0
1
10/23
call
206
237
+31
1
10/23
put
2
2
0
1.5
10/23
call
42
75
+33
1.5
10/23
put
2
45
+43
2
10/23
call
43
46
+3
2
10/23
put
1
1
0
2.5
10/23
call
3
7
+4
2.5
10/23
put
6
9
+3
3
10/23
call
414
537
+123
3
10/23
put
945
1,045
+100
3.5
10/23
call
9,268
10,814
+1,546
3.5
10/23
put
3,392
3,363
-29
4
10/23
call
9,366
9,353
-13
4
10/23
put
196
169
-27
4.5
10/23
call
2,074
2,074
0
4.5
10/23
put
107
99
-8
5
10/23
call
795
795
0
5
10/23
put
90
91
+1
5.5
10/23
call
21
21
0
5.5
10/23
put
22
24
+2
6
10/23
call
6
10
+4
6
10/23
put
17
18
+1
6.5
10/23
put
4
8
+4
7
10/23
call
0
28
+28
7
10/23
put
3
30
+27
7.5
10/23
put
1
0
-1
Expiration 2026-10-30
NIO open interest, settled 2026-10-21, expiration 2026-10-30, strikes 0.5 to 7.5
Strike
Expiry
Type
Prior OI
Settled OI
Change
0.5
10/30
call
327
327
0
0.5
10/30
put
1
1
0
1
10/30
call
108
115
+7
1.5
10/30
call
52
52
0
2
10/30
call
28
28
0
2
10/30
put
1
1
0
2.5
10/30
call
36
36
0
2.5
10/30
put
37
37
0
3
10/30
call
348
489
+141
3
10/30
put
1,007
1,064
+57
3.5
10/30
call
4,755
5,403
+648
3.5
10/30
put
3,290
4,027
+737
4
10/30
call
6,985
6,968
-17
4
10/30
put
708
685
-23
4.5
10/30
call
3,647
3,647
0
4.5
10/30
put
87
87
0
5
10/30
call
500
500
0
5
10/30
put
5
5
0
5.5
10/30
call
2
2
0
5.5
10/30
put
2
2
0
6.5
10/30
call
11
12
+1
6.5
10/30
put
0
1
+1
7
10/30
put
3
3
0
7.5
10/30
call
4
4
0
7.5
10/30
put
9
9
0
Expiration 2026-11-06
NIO open interest, settled 2026-10-21, expiration 2026-11-06, strikes 0.5 to 7
Strike
Expiry
Type
Prior OI
Settled OI
Change
0.5
11/06
call
146
146
0
1
11/06
call
74
74
0
1.5
11/06
call
13
13
0
2
11/06
call
14
14
0
2.5
11/06
call
6
6
0
2.5
11/06
put
449
449
0
3
11/06
call
43
66
+23
3
11/06
put
2,549
2,621
+72
3.5
11/06
call
3,982
4,630
+648
3.5
11/06
put
990
1,027
+37
4
11/06
call
3,002
3,035
+33
4
11/06
put
357
367
+10
4.5
11/06
call
1,525
1,702
+177
4.5
11/06
put
46
46
0
5
11/06
call
57
57
0
5
11/06
put
9
9
0
5.5
11/06
put
2
1
-1
6
11/06
call
6
6
0
6
11/06
put
2
2
0
6.5
11/06
call
4
6
+2
6.5
11/06
put
4
4
0
7
11/06
call
12
14
+2
7
11/06
put
0
1
+1
Expiration 2026-11-13
NIO open interest, settled 2026-10-21, expiration 2026-11-13, strikes 0.5 to 6.5
Strike
Expiry
Type
Prior OI
Settled OI
Change
0.5
11/13
call
140
140
0
1
11/13
call
164
169
+5
1.5
11/13
call
10
10
0
2
11/13
call
3
3
0
2.5
11/13
call
3
5
+2
2.5
11/13
put
300
500
+200
3
11/13
call
59
61
+2
3
11/13
put
367
372
+5
3.5
11/13
call
1,837
1,770
-67
3.5
11/13
put
1,676
1,685
+9
4
11/13
call
1,975
2,329
+354
4
11/13
put
191
192
+1
4.5
11/13
call
599
619
+20
4.5
11/13
put
28
29
+1
5
11/13
call
15
15
0
5
11/13
put
6
6
0
5.5
11/13
put
9
8
-1
6
11/13
call
10
10
0
6.5
11/13
call
1
1
0
Expiration 2026-11-20
NIO open interest, settled 2026-10-21, expiration 2026-11-20, strikes 0.5 to 12
Strike
Expiry
Type
Prior OI
Settled OI
Change
0.5
11/20
call
0
1
+1
0.5
11/20
put
0
1
+1
1
11/20
call
152
152
0
1
11/20
put
2
2
0
2
11/20
call
100
102
+2
2
11/20
put
122
124
+2
3
11/20
call
4,187
4,348
+161
3
11/20
put
19,692
19,767
+75
3.5
11/20
call
160
340
+180
3.5
11/20
put
248
317
+69
4
11/20
call
61,472
61,353
-119
4
11/20
put
36,058
36,051
-7
4.5
11/20
call
32
32
0
4.5
11/20
put
0
2
+2
5
11/20
call
31,827
31,573
-254
5
11/20
put
12,083
12,025
-58
5.5
11/20
call
0
1
+1
5.5
11/20
put
2
2
0
6
11/20
call
25,575
25,568
-7
6
11/20
put
3,552
3,552
0
6.5
11/20
put
1
1
0
7
11/20
call
30,236
30,236
0
7
11/20
put
2
2
0
8
11/20
call
10,731
10,731
0
9
11/20
call
7,272
7,272
0
10
11/20
call
6,808
6,808
0
11
11/20
call
2,625
2,624
-1
12
11/20
call
5,682
5,632
-50
Expiration 2026-11-27
NIO open interest, settled 2026-10-21, expiration 2026-11-27, strikes 0.5 to 5.5
Strike
Expiry
Type
Prior OI
Settled OI
Change
0.5
11/27
call
183
183
0
1
11/27
call
38
39
+1
2.5
11/27
call
3
3
0
3
11/27
call
54
54
0
3
11/27
put
148
209
+61
3.5
11/27
call
497
676
+179
3.5
11/27
put
333
350
+17
4
11/27
call
1,858
1,963
+105
4
11/27
put
229
235
+6
4.5
11/27
call
258
258
0
4.5
11/27
put
115
115
0
5
11/27
call
436
436
0
5
11/27
put
4
9
+5
5.5
11/27
put
20
24
+4
Later expirations (2026-12-18, 2027-01-15, 2027-02-19, 2027-03-19, 2027-04-16, 2027-05-21, 2027-12-17, 2028-01-21, 2028-12-15, 2029-01-19) and all other strikes are in the Markdown table.