OITracker Cboe delayed data

Contract OI history

Back to ISRG

Jan 21, 2028 EXPIRATION

ISRG $520.00 Call

ISRG280121C00520000

Latest saved OI2,559Oct 23, 2026
Last change-40vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
ISRG $520.00 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. 2,6031,3010 2026-10-09: 2,603 OI2026-10-13: 2,602 OI2026-10-14: 2,602 OI2026-10-15: 2,601 OI2026-10-16: 2,599 OI2026-10-21: 2,599 OI2026-10-23: 2,559 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, 2026Viewing2,559-40
Oct 21, 20262,5990
Oct 16, 20262,599-2
Oct 15, 20262,601-1
Oct 14, 20262,6020
Oct 13, 20262,602-1
Oct 09, 20262,603No prior observation