Contract OI history
Back to ACHRJan 21, 2028 EXPIRATION
ACHR $3.00 Put
ACHR280121P00003000
Latest saved OI3,772Oct 23, 2026
Last change+30vs 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 | 3,772 | +30 |
| Oct 21, 2026 | 3,742 | +42 |
| Oct 16, 2026 | 3,700 | 0 |
| Oct 15, 2026 | 3,700 | +10 |
| Oct 14, 2026 | 3,690 | 0 |
| Oct 13, 2026 | 3,690 | +7 |
| Oct 09, 2026 | 3,683 | +12 |
| Oct 08, 2026 | 3,671 | 0 |
| Oct 07, 2026 | 3,671 | +4 |
| Oct 06, 2026 | 3,667 | +2 |
| Oct 05, 2026 | 3,665 | +3 |
| Oct 02, 2026 | 3,662 | No prior observation |