Contract OI history
Back to BANov 20, 2026 EXPIRATION
BA $185.00 Put
BA261120P00185000
Latest saved OI4,922Oct 23, 2026
Last change-74vs 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 | 4,922 | -74 |
| Oct 21, 2026 | 4,996 | +82 |
| Oct 16, 2026 | 4,914 | -1 |
| Oct 15, 2026 | 4,915 | -8 |
| Oct 14, 2026 | 4,923 | 0 |
| Oct 13, 2026 | 4,923 | +176 |
| Oct 09, 2026 | 4,747 | -138 |
| Oct 08, 2026 | 4,885 | 0 |
| Oct 07, 2026 | 4,885 | +353 |
| Oct 06, 2026 | 4,532 | +180 |
| Oct 05, 2026 | 4,352 | +181 |
| Oct 02, 2026 | 4,171 | No prior observation |