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Contract OI history

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Dec 18, 2026 EXPIRATION

CSCO $90.00 Call

CSCO261218C00090000

Latest saved OI1,471Oct 23, 2026
Last change-3vs 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. 1,5147570 2026-10-09: 1,514 OI2026-10-13: 1,514 OI2026-10-14: 1,514 OI2026-10-15: 1,514 OI2026-10-16: 1,514 OI2026-10-21: 1,474 OI2026-10-23: 1,471 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, 2026Viewing1,471-3
Oct 21, 20261,474-40
Oct 16, 20261,5140
Oct 15, 20261,5140
Oct 14, 20261,5140
Oct 13, 20261,5140
Oct 09, 20261,514No prior observation