Contract OI history
Back to CPBOct 23, 2026 EXPIRATION
CPB $20.00 Put
CPB261023P00020000
Latest saved OI338Oct 23, 2026
Last change+7vs 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 | 338 | +7 |
| Oct 21, 2026 | 331 | +12 |
| Oct 16, 2026 | 319 | +20 |
| Oct 15, 2026 | 299 | -59 |
| Oct 14, 2026 | 358 | -1 |
| Oct 13, 2026 | 359 | +2 |
| Oct 09, 2026 | 357 | No prior observation |