Contract OI history
Back to ACNNov 20, 2026 EXPIRATION
ACN $215.00 Put
ACN261120P00215000
Latest saved OI273Oct 23, 2026
Last change+12vs 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 | 273 | +12 |
| Oct 21, 2026 | 261 | +31 |
| Oct 16, 2026 | 230 | +5 |
| Oct 15, 2026 | 225 | +3 |
| Oct 14, 2026 | 222 | 0 |
| Oct 13, 2026 | 222 | +58 |
| Oct 09, 2026 | 164 | +19 |
| Oct 08, 2026 | 145 | 0 |
| Oct 07, 2026 | 145 | -3 |
| Oct 06, 2026 | 148 | 0 |
| Oct 05, 2026 | 148 | +5 |
| Oct 02, 2026 | 143 | No prior observation |