Contract OI history
Back to WHRDec 18, 2026 EXPIRATION
WHR $27.50 Put
WHR261218P00027500
Latest saved OI541Oct 23, 2026
Last change+107vs 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 | 541 | +107 |
| Oct 21, 2026Viewing | 434 | +101 |
| Oct 16, 2026 | 333 | 0 |
| Oct 15, 2026 | 333 | +16 |
| Oct 14, 2026 | 317 | +1 |
| Oct 12, 2026 | 316 | +5 |
| Oct 09, 2026 | 311 | +52 |
| Oct 08, 2026 | 259 | +108 |
| Oct 07, 2026 | 151 | 0 |
| Oct 06, 2026 | 151 | +1 |
| Oct 05, 2026 | 150 | +7 |
| Oct 02, 2026 | 143 | No prior observation |