OITracker Cboe delayed data

Contract OI history

Back to ISRG

Jan 21, 2028 EXPIRATION

ISRG $640.00 Call

ISRG280121C00640000

Latest saved OI722Oct 23, 2026
Last change-1vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
ISRG $640.00 call open interest history 7 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 7323660 2026-10-09: 732 OI2026-10-13: 729 OI2026-10-14: 729 OI2026-10-15: 729 OI2026-10-16: 729 OI2026-10-21: 723 OI2026-10-23: 722 OI Oct 09, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

ISRG contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing722-1
Oct 21, 2026723-6
Oct 16, 20267290
Oct 15, 20267290
Oct 14, 20267290
Oct 13, 2026729-3
Oct 09, 2026732No prior observation