Contract OI history
Back to BTIJan 15, 2027 EXPIRATION
BTI $55.00 Put
BTI270115P00055000
Latest saved OI1,059Oct 23, 2026
Last change-18vs 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 | 1,059 | -18 |
| Oct 21, 2026 | 1,077 | +22 |
| Oct 16, 2026 | 1,055 | +2 |
| Oct 15, 2026 | 1,053 | +4 |
| Oct 13, 2026 | 1,049 | +52 |
| Oct 09, 2026 | 997 | -13 |
| Oct 07, 2026 | 1,010 | 0 |
| Oct 06, 2026 | 1,010 | -1 |
| Oct 05, 2026 | 1,011 | 0 |
| Oct 02, 2026 | 1,011 | No prior observation |