Contract OI history
Back to CHPTNov 20, 2026 EXPIRATION
CHPT $9.00 Call
CHPT261120C00009000
Latest saved OI627Oct 23, 2026
Last change+194vs 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 | 627 | +194 |
| Oct 21, 2026 | 433 | +107 |
| Oct 16, 2026 | 326 | +14 |
| Oct 15, 2026 | 312 | -21 |
| Oct 14, 2026 | 333 | 0 |
| Oct 13, 2026 | 333 | +14 |
| Oct 09, 2026 | 319 | -4 |
| Oct 08, 2026 | 323 | 0 |
| Oct 07, 2026 | 323 | +1 |
| Oct 06, 2026 | 322 | 0 |
| Oct 05, 2026 | 322 | +7 |
| Oct 02, 2026 | 315 | No prior observation |