Contract OI history
Back to BSYJan 21, 2028 EXPIRATION
BSY $50.00 Call
BSY280121C00050000
Latest saved OI2,106Oct 23, 2026
Last change+199vs 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 | 2,106 | +199 |
| Oct 21, 2026 | 1,907 | -2 |
| Oct 16, 2026 | 1,909 | 0 |
| Oct 15, 2026 | 1,909 | 0 |
| Oct 14, 2026 | 1,909 | 0 |
| Oct 13, 2026 | 1,909 | 0 |
| Oct 09, 2026 | 1,909 | No prior observation |