Contract OI history
Back to CSCODec 18, 2026 EXPIRATION
CSCO $100.00 Call
CSCO261218C00100000
Latest saved OI3,647Oct 23, 2026
Last change-74vs 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 | 3,647 | -74 |
| Oct 21, 2026 | 3,721 | +22 |
| Oct 16, 2026 | 3,699 | -2 |
| Oct 15, 2026 | 3,701 | -1 |
| Oct 14, 2026 | 3,702 | 0 |
| Oct 13, 2026 | 3,702 | -5 |
| Oct 09, 2026 | 3,707 | No prior observation |