Contract OI history
Back to CSCOJan 21, 2028 EXPIRATION
CSCO $100.00 Call
CSCO280121C00100000
Latest saved OI1,614Oct 23, 2026
Last change+9vs 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 | 1,614 | +9 |
| Oct 21, 2026 | 1,605 | +20 |
| Oct 16, 2026 | 1,585 | 0 |
| Oct 15, 2026 | 1,585 | -6 |
| Oct 14, 2026 | 1,591 | 0 |
| Oct 13, 2026 | 1,591 | -4 |
| Oct 09, 2026 | 1,595 | No prior observation |