Contract OI history
Back to WMBNov 06, 2026 EXPIRATION
WMB $70.00 Put
WMB261106P00070000
Latest saved OI66Oct 23, 2026
Last change+9vs 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 | 66 | +9 |
| Oct 21, 2026Viewing | 57 | +25 |
| Oct 16, 2026 | 32 | 0 |
| Oct 15, 2026 | 32 | 0 |
| Oct 14, 2026 | 32 | +2 |
| Oct 12, 2026 | 30 | 0 |
| Oct 09, 2026 | 30 | 0 |
| Oct 08, 2026 | 30 | +15 |
| Oct 07, 2026 | 15 | +5 |
| Oct 06, 2026 | 10 | +5 |
| Oct 05, 2026 | 5 | 0 |
| Oct 02, 2026 | 5 | No prior observation |