OITracker Cboe delayed data

Contract OI history

Back to CSCO

Jan 21, 2028 EXPIRATION

CSCO $65.00 Call

CSCO280121C00065000

Latest saved OI306Oct 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 $65.00 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. 3061530 2026-10-09: 298 OI2026-10-13: 298 OI2026-10-14: 298 OI2026-10-15: 298 OI2026-10-16: 298 OI2026-10-21: 306 OI2026-10-23: 306 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, 2026Viewing3060
Oct 21, 2026306+8
Oct 16, 20262980
Oct 15, 20262980
Oct 14, 20262980
Oct 13, 20262980
Oct 09, 2026298No prior observation