Contract OI history
Back to NIOJan 21, 2028 EXPIRATION
NIO $7.00 Put
NIO280121P00007000
Latest saved OI18,122Oct 23, 2026
Last change-2vs 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 | 18,122 | -2 |
| Oct 21, 2026 | 18,124 | +1 |
| Oct 16, 2026 | 18,123 | 0 |
| Oct 15, 2026 | 18,123 | 0 |
| Oct 14, 2026 | 18,123 | 0 |
| Oct 13, 2026 | 18,123 | 0 |
| Oct 09, 2026 | 18,123 | +2 |
| Oct 08, 2026 | 18,121 | 0 |
| Oct 07, 2026 | 18,121 | 0 |
| Oct 06, 2026 | 18,121 | 0 |
| Oct 05, 2026 | 18,121 | -7 |
| Oct 02, 2026 | 18,128 | No prior observation |