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Contract OI history

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Jan 21, 2028 EXPIRATION

CSCO $90.00 Call

CSCO280121C00090000

Latest saved OI1,608Oct 23, 2026
Last change-6vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
CSCO $90.00 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. 1,6268130 2026-10-09: 1,626 OI2026-10-13: 1,617 OI2026-10-14: 1,617 OI2026-10-15: 1,617 OI2026-10-16: 1,617 OI2026-10-21: 1,614 OI2026-10-23: 1,608 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, 2026Viewing1,608-6
Oct 21, 20261,614-3
Oct 16, 20261,6170
Oct 15, 20261,6170
Oct 14, 20261,6170
Oct 13, 20261,617-9
Oct 09, 20261,626No prior observation