Contract OI history
Back to VSTOct 23, 2026 EXPIRATION
VST $175.00 Call
VST261023C00175000
Latest saved OI539Oct 23, 2026
Last change-5vs 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 | 539 | -5 |
| Oct 21, 2026 | 544 | +52 |
| Oct 16, 2026 | 492 | -37 |
| Oct 15, 2026 | 529 | -111 |
| Oct 14, 2026 | 640 | +128 |
| Oct 09, 2026 | 512 | +142 |
| Oct 08, 2026 | 370 | 0 |
| Oct 07, 2026 | 370 | +142 |
| Oct 06, 2026 | 228 | +195 |
| Oct 05, 2026 | 33 | 0 |
| Oct 02, 2026 | 33 | No prior observation |