Contract OI history
Back to VSTMar 19, 2027 EXPIRATION
VST $165.00 Put
VST270319P00165000
Latest saved OI5,809Oct 23, 2026
Last change-8vs 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 | 5,809 | -8 |
| Oct 21, 2026Viewing | 5,817 | +1 |
| Oct 16, 2026 | 5,816 | 0 |
| Oct 15, 2026 | 5,816 | +25 |
| Oct 14, 2026 | 5,791 | +1 |
| Oct 09, 2026 | 5,790 | +15 |
| Oct 08, 2026 | 5,775 | 0 |
| Oct 07, 2026 | 5,775 | 0 |
| Oct 06, 2026 | 5,775 | -25 |
| Oct 05, 2026 | 5,800 | -56 |
| Oct 02, 2026 | 5,856 | No prior observation |