Contract OI history
Back to VSTDec 18, 2026 EXPIRATION
VST $190.00 Call
VST261218C00190000
Latest saved OI581Oct 23, 2026
Last change+52vs 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, 2026 | 581 | +52 |
| Oct 21, 2026Viewing | 529 | +9 |
| Oct 16, 2026 | 520 | 0 |
| Oct 15, 2026 | 520 | +14 |
| Oct 14, 2026 | 506 | +49 |
| Oct 09, 2026 | 457 | +38 |
| Oct 08, 2026 | 419 | 0 |
| Oct 07, 2026 | 419 | +14 |
| Oct 06, 2026 | 405 | +24 |
| Oct 05, 2026 | 381 | +1 |
| Oct 02, 2026 | 380 | No prior observation |