Contract OI history
Back to BTDRJan 21, 2028 EXPIRATION
BTDR $40.00 Call
BTDR280121C00040000
Latest saved OI25,839Oct 23, 2026
Last change-16vs 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 | 25,839 | -16 |
| Oct 21, 2026 | 25,855 | -170 |
| Oct 16, 2026 | 26,025 | -36 |
| Oct 15, 2026 | 26,061 | +1 |
| Oct 14, 2026 | 26,060 | +2,328 |
| Oct 13, 2026 | 23,732 | +9 |
| Oct 09, 2026 | 23,723 | No prior observation |