OITracker Cboe delayed data

Contract OI history

Back to ISRG

Jun 17, 2027 EXPIRATION

ISRG $250.00 Put

ISRG270617P00250000

Latest saved OI389Oct 23, 2026
Last change0vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
ISRG $250.00 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. 3891940 2026-10-09: 388 OI2026-10-13: 388 OI2026-10-14: 388 OI2026-10-15: 389 OI2026-10-16: 389 OI2026-10-21: 389 OI2026-10-23: 389 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, 2026Viewing3890
Oct 21, 20263890
Oct 16, 20263890
Oct 15, 2026389+1
Oct 14, 20263880
Oct 13, 20263880
Oct 09, 2026388No prior observation