Contract OI history
Back to ROKNov 20, 2026 EXPIRATION
ROK $410.00 Put
ROK261120P00410000
Latest saved OI84Oct 23, 2026
Last change+13vs 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, 2026 | 84 | +13 |
| Oct 21, 2026Viewing | 71 | +33 |
| Oct 16, 2026 | 38 | 0 |
| Oct 15, 2026 | 38 | -2 |
| Oct 14, 2026 | 40 | 0 |
| Oct 13, 2026 | 40 | +7 |
| Oct 09, 2026 | 33 | +1 |
| Oct 08, 2026 | 32 | 0 |
| Oct 07, 2026 | 32 | +1 |
| Oct 06, 2026 | 31 | 0 |
| Oct 05, 2026 | 31 | 0 |
| Oct 02, 2026 | 31 | No prior observation |