Contract OI history
Back to BNNov 20, 2026 EXPIRATION
BN $39.00 Put
BN261120P00039000
Latest saved OI250Oct 23, 2026
Last change-116vs 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 | 250 | -116 |
| Oct 21, 2026 | 366 | -260 |
| Oct 16, 2026 | 626 | 0 |
| Oct 15, 2026 | 626 | +80 |
| Oct 14, 2026 | 546 | +30 |
| Oct 13, 2026 | 516 | +36 |
| Oct 09, 2026 | 480 | +20 |
| Oct 08, 2026 | 460 | +40 |
| Oct 07, 2026 | 420 | +40 |
| Oct 06, 2026 | 380 | 0 |
| Oct 05, 2026 | 380 | 0 |
| Oct 02, 2026 | 380 | No prior observation |