Contract OI history
Back to BANov 20, 2026 EXPIRATION
BA $220.00 Put
BA261120P00220000
Latest saved OI3,807Oct 23, 2026
Last change-3vs 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 | 3,807 | -3 |
| Oct 21, 2026 | 3,810 | 0 |
| Oct 16, 2026 | 3,810 | 0 |
| Oct 15, 2026 | 3,810 | +7 |
| Oct 14, 2026 | 3,803 | 0 |
| Oct 13, 2026 | 3,803 | +15 |
| Oct 09, 2026 | 3,788 | 0 |
| Oct 08, 2026 | 3,788 | 0 |
| Oct 07, 2026 | 3,788 | 0 |
| Oct 06, 2026 | 3,788 | -5 |
| Oct 05, 2026 | 3,793 | 0 |
| Oct 02, 2026 | 3,793 | No prior observation |