OITracker Cboe delayed data

Contract OI history

Back to CSCO

Apr 16, 2027 EXPIRATION

CSCO $135.00 Put

CSCO270416P00135000

Latest saved OI13Oct 23, 2026
Last change-4vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
CSCO $135.00 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. 1780 2026-10-09: 13 OI2026-10-13: 13 OI2026-10-14: 13 OI2026-10-15: 13 OI2026-10-16: 13 OI2026-10-21: 17 OI2026-10-23: 13 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, 2026Viewing13-4
Oct 21, 202617+4
Oct 16, 2026130
Oct 15, 2026130
Oct 14, 2026130
Oct 13, 2026130
Oct 09, 202613No prior observation