Contract OI history
Back to BASep 17, 2027 EXPIRATION
BA $190.00 Put
BA270917P00190000
Latest saved OI270Oct 23, 2026
Last change+8vs 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 | 270 | +8 |
| Oct 21, 2026 | 262 | 0 |
| Oct 16, 2026 | 262 | -1 |
| Oct 15, 2026 | 263 | 0 |
| Oct 14, 2026 | 263 | 0 |
| Oct 13, 2026 | 263 | +6 |
| Oct 09, 2026 | 257 | +2 |
| Oct 08, 2026 | 255 | 0 |
| Oct 07, 2026 | 255 | +2 |
| Oct 06, 2026 | 253 | +1 |
| Oct 05, 2026 | 252 | +5 |
| Oct 02, 2026 | 247 | No prior observation |