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Contract OI history

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Dec 18, 2026 EXPIRATION

CSCO $145.00 Call

CSCO261218C00145000

Latest saved OI3,599Oct 23, 2026
Last change+12vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
CSCO $145.00 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. 3,5991,7990 2026-10-09: 3,548 OI2026-10-13: 3,551 OI2026-10-14: 3,551 OI2026-10-15: 3,557 OI2026-10-16: 3,579 OI2026-10-21: 3,587 OI2026-10-23: 3,599 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, 2026Viewing3,599+12
Oct 21, 20263,587+8
Oct 16, 20263,579+22
Oct 15, 20263,557+6
Oct 14, 20263,5510
Oct 13, 20263,551+3
Oct 09, 20263,548No prior observation