Contract OI history
Back to NIONov 20, 2026 EXPIRATION
NIO $4.00 Call
NIO261120C00004000
Latest saved OI61,359Oct 23, 2026
Last change-113vs 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 | 61,359 | -113 |
| Oct 21, 2026 | 61,472 | +1,296 |
| Oct 16, 2026 | 60,176 | +1,099 |
| Oct 15, 2026 | 59,077 | -345 |
| Oct 14, 2026 | 59,422 | 0 |
| Oct 13, 2026 | 59,422 | +861 |
| Oct 09, 2026 | 58,561 | -256 |
| Oct 08, 2026 | 58,817 | 0 |
| Oct 07, 2026 | 58,817 | +275 |
| Oct 06, 2026 | 58,542 | +1,921 |
| Oct 05, 2026 | 56,621 | +497 |
| Oct 02, 2026 | 56,124 | No prior observation |