Contract OI history
Back to VSTJan 21, 2028 EXPIRATION
VST $310.00 Call
VST280121C00310000
Latest saved OI149Oct 23, 2026
Last change-4vs 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 | 149 | -4 |
| Oct 21, 2026Viewing | 153 | 0 |
| Oct 16, 2026 | 153 | 0 |
| Oct 15, 2026 | 153 | +1 |
| Oct 14, 2026 | 152 | +1 |
| Oct 09, 2026 | 151 | +5 |
| Oct 08, 2026 | 146 | 0 |
| Oct 07, 2026 | 146 | +3 |
| Oct 06, 2026 | 143 | +5 |
| Oct 05, 2026 | 138 | +1 |
| Oct 02, 2026 | 137 | No prior observation |