OITracker Cboe delayed data

Contract OI history

Back to CSCO

Dec 17, 2027 EXPIRATION

CSCO $97.50 Put

CSCO271217P00097500

Latest saved OI307Oct 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 $97.50 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. 3071530 2026-10-09: 300 OI2026-10-13: 303 OI2026-10-14: 303 OI2026-10-15: 303 OI2026-10-16: 303 OI2026-10-21: 307 OI2026-10-23: 307 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, 2026Viewing3070
Oct 21, 2026307+4
Oct 16, 20263030
Oct 15, 20263030
Oct 14, 20263030
Oct 13, 2026303+3
Oct 09, 2026300No prior observation