OITracker Cboe delayed data

Contract OI history

Back to ISRG

Dec 18, 2026 EXPIRATION

ISRG $450.00 Call

ISRG261218C00450000

Latest saved OI319Oct 23, 2026
Last change+14vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
ISRG $450.00 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. 3191590 2026-10-09: 264 OI2026-10-13: 269 OI2026-10-14: 269 OI2026-10-15: 274 OI2026-10-16: 274 OI2026-10-21: 305 OI2026-10-23: 319 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, 2026Viewing319+14
Oct 21, 2026305+31
Oct 16, 20262740
Oct 15, 2026274+5
Oct 14, 20262690
Oct 13, 2026269+5
Oct 09, 2026264No prior observation