Contract OI history
Back to CSCONov 20, 2026 EXPIRATION
CSCO $135.00 Call
CSCO261120C00135000
Latest saved OI3,251Oct 23, 2026
Last change-199vs 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 | 3,251 | -199 |
| Oct 21, 2026 | 3,450 | -48 |
| Oct 16, 2026 | 3,498 | -15 |
| Oct 15, 2026 | 3,513 | 0 |
| Oct 14, 2026 | 3,513 | 0 |
| Oct 13, 2026 | 3,513 | +23 |
| Oct 09, 2026 | 3,490 | No prior observation |