Contract OI history
Back to ASPIJan 21, 2028 EXPIRATION
ASPI $20.00 Call
ASPI280121C00020000
Latest saved OI17,722Oct 23, 2026
Last change+512vs previous saved observation
Saved market days6Oct 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 23, 2026Viewing | 17,722 | +512 |
| Oct 20, 2026 | 17,210 | +2 |
| Oct 16, 2026 | 17,208 | 0 |
| Oct 14, 2026 | 17,208 | -17 |
| Oct 13, 2026 | 17,225 | +290 |
| Oct 09, 2026 | 16,935 | No prior observation |