Contract OI history
Back to ASOJan 15, 2027 EXPIRATION
ASO $52.50 Put
ASO270115P00052500
Latest saved OI51Oct 20, 2026
Last change+3vs 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 | 51 | +3 |
| Oct 16, 2026 | 48 | 0 |
| Oct 14, 2026 | 48 | 0 |
| Oct 13, 2026 | 48 | 0 |
| Oct 09, 2026 | 48 | No prior observation |