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Contract OI history

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Jan 21, 2028 EXPIRATION

CSCO $165.00 Call

CSCO280121C00165000

Latest saved OI307Oct 23, 2026
Last change0vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
CSCO $165.00 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. 3151570 2026-10-09: 315 OI2026-10-13: 313 OI2026-10-14: 313 OI2026-10-15: 313 OI2026-10-16: 313 OI2026-10-21: 307 OI2026-10-23: 307 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, 2026Viewing3070
Oct 21, 2026307-6
Oct 16, 20263130
Oct 15, 20263130
Oct 14, 20263130
Oct 13, 2026313-2
Oct 09, 2026315No prior observation