OITracker Cboe delayed data

Contract OI history

Back to CSCO

Jun 16, 2028 EXPIRATION

CSCO $100.00 Put

CSCO280616P00100000

Latest saved OI215Oct 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 $100.00 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. 2151070 2026-10-09: 204 OI2026-10-13: 204 OI2026-10-14: 204 OI2026-10-15: 204 OI2026-10-16: 214 OI2026-10-21: 215 OI2026-10-23: 215 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, 2026Viewing2150
Oct 21, 2026215+1
Oct 16, 2026214+10
Oct 15, 20262040
Oct 14, 20262040
Oct 13, 20262040
Oct 09, 2026204No prior observation