Contract OI history
Back to BANov 20, 2026 EXPIRATION
BA $215.00 Put
BA261120P00215000
Latest saved OI2,762Oct 23, 2026
Last change-51vs 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 | 2,762 | -51 |
| Oct 21, 2026 | 2,813 | -5 |
| Oct 16, 2026 | 2,818 | 0 |
| Oct 15, 2026 | 2,818 | -11 |
| Oct 14, 2026 | 2,829 | 0 |
| Oct 13, 2026 | 2,829 | 0 |
| Oct 09, 2026 | 2,829 | -197 |
| Oct 08, 2026 | 3,026 | 0 |
| Oct 07, 2026 | 3,026 | 0 |
| Oct 06, 2026 | 3,026 | +1 |
| Oct 05, 2026 | 3,025 | -15 |
| Oct 02, 2026 | 3,040 | No prior observation |