Contract OI history
Back to NIOJan 15, 2027 EXPIRATION
NIO $5.50 Call
NIO270115C00005500
Latest saved OI35,314Oct 23, 2026
Last change+59vs previous saved observation
Saved market days12Oct 02, 2026 onwards
All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.
| Market date | Open interest | Change vs prior saved day |
|---|---|---|
| Oct 23, 2026Viewing | 35,314 | +59 |
| Oct 21, 2026 | 35,255 | -25 |
| Oct 16, 2026 | 35,280 | -579 |
| Oct 15, 2026 | 35,859 | -74 |
| Oct 14, 2026 | 35,933 | 0 |
| Oct 13, 2026 | 35,933 | +54 |
| Oct 09, 2026 | 35,879 | -199 |
| Oct 08, 2026 | 36,078 | 0 |
| Oct 07, 2026 | 36,078 | +21 |
| Oct 06, 2026 | 36,057 | +1,018 |
| Oct 05, 2026 | 35,039 | +2,244 |
| Oct 02, 2026 | 32,795 | No prior observation |