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Contract OI history

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Jan 15, 2027 EXPIRATION

CSCO $55.00 Call

CSCO270115C00055000

Latest saved OI722Oct 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 $55.00 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. 7463730 2026-10-09: 746 OI2026-10-13: 746 OI2026-10-14: 746 OI2026-10-15: 746 OI2026-10-16: 726 OI2026-10-21: 722 OI2026-10-23: 722 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, 2026Viewing7220
Oct 21, 2026722-4
Oct 16, 2026726-20
Oct 15, 20267460
Oct 14, 20267460
Oct 13, 20267460
Oct 09, 2026746No prior observation