Contract OI history
Back to BKRJan 21, 2028 EXPIRATION
BKR $70.00 Call
BKR280121C00070000
Latest saved OI528Oct 23, 2026
Last change+18vs 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 | 528 | +18 |
| Oct 21, 2026 | 510 | 0 |
| Oct 16, 2026 | 510 | +1 |
| Oct 15, 2026 | 509 | 0 |
| Oct 14, 2026 | 509 | +11 |
| Oct 13, 2026 | 498 | +4 |
| Oct 09, 2026 | 494 | No prior observation |