OITracker Cboe delayed data

Contract OI history

Back to CSCO

Sep 17, 2027 EXPIRATION

CSCO $155.00 Call

CSCO270917C00155000

Latest saved OI193Oct 23, 2026
Last change+7vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
CSCO $155.00 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. 193960 2026-10-09: 182 OI2026-10-13: 182 OI2026-10-14: 182 OI2026-10-15: 182 OI2026-10-16: 182 OI2026-10-21: 186 OI2026-10-23: 193 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, 2026Viewing193+7
Oct 21, 2026186+4
Oct 16, 20261820
Oct 15, 20261820
Oct 14, 20261820
Oct 13, 20261820
Oct 09, 2026182No prior observation