Contract OI history
Back to CSCONov 20, 2026 EXPIRATION
CSCO $145.00 Call
CSCO261120C00145000
Latest saved OI715Oct 23, 2026
Last change-27vs 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 | 715 | -27 |
| Oct 21, 2026 | 742 | +410 |
| Oct 16, 2026 | 332 | -4 |
| Oct 15, 2026 | 336 | 0 |
| Oct 14, 2026 | 336 | 0 |
| Oct 13, 2026 | 336 | -34 |
| Oct 09, 2026 | 370 | No prior observation |