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Contract OI history

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Dec 18, 2026 EXPIRATION

CSCO $190.00 Call

CSCO261218C00190000

Latest saved OI177Oct 23, 2026
Last change+5vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
CSCO $190.00 call open interest history 7 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 177880 2026-10-09: 164 OI2026-10-13: 164 OI2026-10-14: 164 OI2026-10-15: 164 OI2026-10-16: 172 OI2026-10-21: 172 OI2026-10-23: 177 OI Oct 09, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

CSCO contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing177+5
Oct 21, 20261720
Oct 16, 2026172+8
Oct 15, 20261640
Oct 14, 20261640
Oct 13, 20261640
Oct 09, 2026164No prior observation