Contract OI history
Back to NIONov 27, 2026 EXPIRATION
NIO $3.50 Put
NIO261127P00003500
Latest saved OI371Oct 23, 2026
Last change+38vs previous saved observation
Saved market days9Oct 07, 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 | 371 | +38 |
| Oct 21, 2026 | 333 | +88 |
| Oct 16, 2026 | 245 | +101 |
| Oct 15, 2026 | 144 | +55 |
| Oct 14, 2026 | 89 | 0 |
| Oct 13, 2026 | 89 | +89 |
| Oct 09, 2026 | 0 | 0 |
| Oct 08, 2026 | 0 | 0 |
| Oct 07, 2026 | 0 | No prior observation |