Contract OI history
Back to ASOJan 21, 2028 EXPIRATION
ASO $45.00 Put
ASO280121P00045000
Latest saved OI18Oct 20, 2026
Last change-38vs previous saved observation
Saved market days5Oct 09, 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 20, 2026Viewing | 18 | -38 |
| Oct 16, 2026 | 56 | 0 |
| Oct 14, 2026 | 56 | 0 |
| Oct 13, 2026 | 56 | 0 |
| Oct 09, 2026 | 56 | No prior observation |