Contract OI history
Back to BKRNov 20, 2026 EXPIRATION
BKR $50.00 Put
BKR261120P00050000
Latest saved OI484Oct 23, 2026
Last change+17vs previous saved observation
Saved market days7Oct 09, 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 | 484 | +17 |
| Oct 21, 2026 | 467 | +158 |
| Oct 16, 2026 | 309 | +61 |
| Oct 15, 2026 | 248 | +5 |
| Oct 14, 2026 | 243 | +21 |
| Oct 13, 2026 | 222 | +44 |
| Oct 09, 2026 | 178 | No prior observation |