Contract OI history
Back to CLSKJan 21, 2028 EXPIRATION
CLSK $8.00 Put
CLSK280121P00008000
Latest saved OI2,631Oct 23, 2026
Last change+19vs 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 | 2,631 | +19 |
| Oct 21, 2026 | 2,612 | +34 |
| Oct 16, 2026 | 2,578 | +5 |
| Oct 15, 2026 | 2,573 | +224 |
| Oct 14, 2026 | 2,349 | 0 |
| Oct 13, 2026 | 2,349 | -10 |
| Oct 09, 2026 | 2,359 | No prior observation |