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Contract OI history

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Jan 21, 2028 EXPIRATION

CSCO $180.00 Call

CSCO280121C00180000

Latest saved OI210Oct 23, 2026
Last change-1vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
CSCO $180.00 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. 2131060 2026-10-09: 198 OI2026-10-13: 206 OI2026-10-14: 206 OI2026-10-15: 213 OI2026-10-16: 213 OI2026-10-21: 211 OI2026-10-23: 210 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, 2026Viewing210-1
Oct 21, 2026211-2
Oct 16, 20262130
Oct 15, 2026213+7
Oct 14, 20262060
Oct 13, 2026206+8
Oct 09, 2026198No prior observation