Contract OI history
Back to CSCOSep 17, 2027 EXPIRATION
CSCO $135.00 Call
CSCO270917C00135000
Latest saved OI2,783Oct 23, 2026
Last change-3vs 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 | 2,783 | -3 |
| Oct 21, 2026 | 2,786 | +2 |
| Oct 16, 2026 | 2,784 | -128 |
| Oct 15, 2026 | 2,912 | +31 |
| Oct 14, 2026 | 2,881 | 0 |
| Oct 13, 2026 | 2,881 | +522 |
| Oct 09, 2026 | 2,359 | No prior observation |