Contract OI history
Back to CSCOSep 17, 2027 EXPIRATION
CSCO $165.00 Call
CSCO270917C00165000
Latest saved OI146Oct 23, 2026
Last change+61vs 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 | 146 | +61 |
| Oct 21, 2026 | 85 | -6 |
| Oct 16, 2026 | 91 | 0 |
| Oct 15, 2026 | 91 | +20 |
| Oct 14, 2026 | 71 | 0 |
| Oct 13, 2026 | 71 | +4 |
| Oct 09, 2026 | 67 | No prior observation |