OITracker Cboe delayed data

Contract OI history

Back to CSCO

Jan 21, 2028 EXPIRATION

CSCO $185.00 Call

CSCO280121C00185000

Latest saved OI41Oct 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 $185.00 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. 43210 2026-10-09: 43 OI2026-10-13: 38 OI2026-10-14: 38 OI2026-10-15: 38 OI2026-10-16: 38 OI2026-10-21: 41 OI2026-10-23: 41 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, 2026Viewing410
Oct 21, 202641+3
Oct 16, 2026380
Oct 15, 2026380
Oct 14, 2026380
Oct 13, 202638-5
Oct 09, 202643No prior observation