OITracker Cboe delayed data

Contract OI history

Back to CSCO

Dec 17, 2027 EXPIRATION

CSCO $90.00 Call

CSCO271217C00090000

Latest saved OI265Oct 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 $90.00 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. 2661330 2026-10-09: 266 OI2026-10-13: 266 OI2026-10-14: 266 OI2026-10-15: 266 OI2026-10-16: 266 OI2026-10-21: 265 OI2026-10-23: 265 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, 2026Viewing2650
Oct 21, 2026265-1
Oct 16, 20262660
Oct 15, 20262660
Oct 14, 20262660
Oct 13, 20262660
Oct 09, 2026266No prior observation