Contract OI history
Back to ACHRJan 21, 2028 EXPIRATION
ACHR $27.00 Call
ACHR280121C00027000
Latest saved OI17,004Oct 23, 2026
Last change+187vs previous saved observation
Saved market days12Oct 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, 2026Viewing | 17,004 | +187 |
| Oct 21, 2026 | 16,817 | +183 |
| Oct 16, 2026 | 16,634 | -108 |
| Oct 15, 2026 | 16,742 | +31 |
| Oct 14, 2026 | 16,711 | 0 |
| Oct 13, 2026 | 16,711 | +1 |
| Oct 09, 2026 | 16,710 | -5 |
| Oct 08, 2026 | 16,715 | 0 |
| Oct 07, 2026 | 16,715 | -12 |
| Oct 06, 2026 | 16,727 | -31 |
| Oct 05, 2026 | 16,758 | +44 |
| Oct 02, 2026 | 16,714 | No prior observation |