Contract OI history
Back to CPBJan 15, 2027 EXPIRATION
CPB $18.00 Put
CPB270115P00018000
Latest saved OI1,488Oct 23, 2026
Last change+15vs previous saved observation
Saved market days7Oct 09, 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 | 1,488 | +15 |
| Oct 21, 2026 | 1,473 | +20 |
| Oct 16, 2026 | 1,453 | -188 |
| Oct 15, 2026 | 1,641 | +30 |
| Oct 14, 2026 | 1,611 | +14 |
| Oct 13, 2026 | 1,597 | 0 |
| Oct 09, 2026 | 1,597 | No prior observation |