Contract OI history
Back to VLOMar 19, 2027 EXPIRATION
VLO $580.00 Call
VLO270319C00580000
Latest saved OI333Oct 23, 2026
Last change+1vs 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 | 333 | +1 |
| Oct 21, 2026 | 332 | +63 |
| Oct 16, 2026 | 269 | -2 |
| Oct 15, 2026 | 271 | +2 |
| Oct 14, 2026 | 269 | +228 |
| Oct 09, 2026 | 41 | +2 |
| Oct 08, 2026 | 39 | 0 |
| Oct 07, 2026 | 39 | 0 |
| Oct 06, 2026 | 39 | +6 |
| Oct 05, 2026 | 33 | 0 |
| Oct 02, 2026 | 33 | No prior observation |