Contract OI history
Back to CLSKJan 21, 2028 EXPIRATION
CLSK $20.00 Call
CLSK280121C00020000
Latest saved OI8,490Oct 23, 2026
Last change+136vs 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 | 8,490 | +136 |
| Oct 21, 2026 | 8,354 | +642 |
| Oct 16, 2026 | 7,712 | +25 |
| Oct 15, 2026 | 7,687 | -1 |
| Oct 14, 2026 | 7,688 | 0 |
| Oct 13, 2026 | 7,688 | +40 |
| Oct 09, 2026 | 7,648 | No prior observation |