Contract OI history
Back to BTDRJan 21, 2028 EXPIRATION
BTDR $20.00 Call
BTDR280121C00020000
Latest saved OI2,487Oct 23, 2026
Last change-13vs 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 | 2,487 | -13 |
| Oct 21, 2026 | 2,500 | +105 |
| Oct 16, 2026 | 2,395 | -7 |
| Oct 15, 2026 | 2,402 | +15 |
| Oct 14, 2026 | 2,387 | +27 |
| Oct 13, 2026 | 2,360 | +32 |
| Oct 09, 2026 | 2,328 | No prior observation |