OITracker Cboe delayed data

Contract OI history

Back to CSCO

Jan 15, 2027 EXPIRATION

CSCO $67.50 Put

CSCO270115P00067500

Latest saved OI3,661Oct 23, 2026
Last change+129vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
CSCO $67.50 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. 3,6611,8300 2026-10-09: 3,571 OI2026-10-13: 3,560 OI2026-10-14: 3,560 OI2026-10-15: 3,560 OI2026-10-16: 3,552 OI2026-10-21: 3,532 OI2026-10-23: 3,661 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, 2026Viewing3,661+129
Oct 21, 20263,532-20
Oct 16, 20263,552-8
Oct 15, 20263,5600
Oct 14, 20263,5600
Oct 13, 20263,560-11
Oct 09, 20263,571No prior observation