OITracker Cboe delayed data

Contract OI history

Back to CSCO

Jun 17, 2027 EXPIRATION

CSCO $82.50 Put

CSCO270617P00082500

Latest saved OI819Oct 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 $82.50 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. 8194090 2026-10-09: 539 OI2026-10-13: 540 OI2026-10-14: 540 OI2026-10-15: 819 OI2026-10-16: 819 OI2026-10-21: 819 OI2026-10-23: 819 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, 2026Viewing8190
Oct 21, 20268190
Oct 16, 20268190
Oct 15, 2026819+279
Oct 14, 20265400
Oct 13, 2026540+1
Oct 09, 2026539No prior observation