Contract OI history
Back to BTBTJan 15, 2027 EXPIRATION
BTBT $4.00 Put
BTBT270115P00004000
Latest saved OI11Oct 23, 2026
Last change-482vs 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 | 11 | -482 |
| Oct 21, 2026 | 493 | 0 |
| Oct 16, 2026 | 493 | 0 |
| Oct 15, 2026 | 493 | 0 |
| Oct 14, 2026 | 493 | 0 |
| Oct 13, 2026 | 493 | -294 |
| Oct 09, 2026 | 787 | No prior observation |