OITracker Cboe delayed data

Contract OI history

Back to CSCO

Dec 18, 2026 EXPIRATION

CSCO $165.00 Call

CSCO261218C00165000

Latest saved OI894Oct 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 $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. 8964480 2026-10-09: 895 OI2026-10-13: 896 OI2026-10-14: 896 OI2026-10-15: 896 OI2026-10-16: 893 OI2026-10-21: 893 OI2026-10-23: 894 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, 2026Viewing894+1
Oct 21, 20268930
Oct 16, 2026893-3
Oct 15, 20268960
Oct 14, 20268960
Oct 13, 2026896+1
Oct 09, 2026895No prior observation