Contract OI history
Back to WESNov 20, 2026 EXPIRATION
WES $47.00 Call
WES261120C00047000
Latest saved OI574Oct 23, 2026
Last change+30vs previous saved observation
Saved market days11Oct 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 | 574 | +30 |
| Oct 20, 2026 | 544 | +207 |
| Oct 16, 2026 | 337 | +15 |
| Oct 14, 2026 | 322 | +56 |
| Oct 13, 2026 | 266 | +7 |
| Oct 09, 2026 | 259 | +1 |
| Oct 08, 2026 | 258 | +1 |
| Oct 07, 2026 | 257 | +1 |
| Oct 06, 2026 | 256 | +2 |
| Oct 05, 2026 | 254 | +1 |
| Oct 02, 2026 | 253 | No prior observation |