OITracker Cboe delayed data

Contract OI history

Back to CSCO

Jan 21, 2028 EXPIRATION

CSCO $45.00 Put

CSCO280121P00045000

Latest saved OI879Oct 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 $45.00 put open interest history 7 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 8794390 2026-10-09: 879 OI2026-10-13: 879 OI2026-10-14: 879 OI2026-10-15: 879 OI2026-10-16: 879 OI2026-10-21: 879 OI2026-10-23: 879 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, 2026Viewing8790
Oct 21, 20268790
Oct 16, 20268790
Oct 15, 20268790
Oct 14, 20268790
Oct 13, 20268790
Oct 09, 2026879No prior observation