Contract OI history
Back to BTIJan 21, 2028 EXPIRATION
BTI $70.00 Call
BTI280121C00070000
Latest saved OI1,009Oct 23, 2026
Last change+5vs previous saved observation
Saved market days10Oct 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 | 1,009 | +5 |
| Oct 21, 2026 | 1,004 | -4 |
| Oct 16, 2026 | 1,008 | -1 |
| Oct 15, 2026 | 1,009 | 0 |
| Oct 13, 2026 | 1,009 | 0 |
| Oct 09, 2026 | 1,009 | 0 |
| Oct 07, 2026 | 1,009 | 0 |
| Oct 06, 2026 | 1,009 | -1 |
| Oct 05, 2026 | 1,010 | +37 |
| Oct 02, 2026 | 973 | No prior observation |