Contract OI history
Back to RSNov 20, 2026 EXPIRATION
RS $400.00 Put
RS261120P00400000
Latest saved OI362Oct 23, 2026
Last change+355vs 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 | 362 | +355 |
| Oct 21, 2026 | 7 | 0 |
| Oct 16, 2026 | 7 | +4 |
| Oct 15, 2026 | 3 | 0 |
| Oct 14, 2026 | 3 | 0 |
| Oct 13, 2026 | 3 | 0 |
| Oct 09, 2026 | 3 | +2 |
| Oct 08, 2026 | 1 | 0 |
| Oct 07, 2026 | 1 | 0 |
| Oct 06, 2026 | 1 | 0 |
| Oct 05, 2026 | 1 | 0 |
| Oct 02, 2026 | 1 | No prior observation |