Contract OI history
Back to BZAINov 20, 2026 EXPIRATION
BZAI $1000.00 Put
BZAI261120P00001000
Latest saved OI76Oct 23, 2026
Last change+1vs previous saved observation
Saved market days6Oct 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 | 76 | +1 |
| Oct 20, 2026 | 75 | +1 |
| Oct 16, 2026 | 74 | 0 |
| Oct 15, 2026 | 74 | +5 |
| Oct 13, 2026 | 69 | +1 |
| Oct 09, 2026 | 68 | No prior observation |