Contract OI history
Back to ASTHNov 20, 2026 EXPIRATION
ASTH $50.00 Call
ASTH261120C00050000
Latest saved OI647Oct 20, 2026
Last change+1vs previous saved observation
Saved market days6Oct 08, 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 | 647 | +1 |
| Oct 16, 2026 | 646 | -1 |
| Oct 14, 2026 | 647 | 0 |
| Oct 13, 2026 | 647 | -5 |
| Oct 09, 2026 | 652 | 0 |
| Oct 08, 2026 | 652 | No prior observation |