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Contract OI history

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Nov 20, 2026 EXPIRATION

ISRG $475.00 Call

ISRG261120C00475000

Latest saved OI383Oct 23, 2026
Last change-8vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
ISRG $475.00 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. 3911950 2026-10-09: 61 OI2026-10-13: 68 OI2026-10-14: 68 OI2026-10-15: 67 OI2026-10-16: 67 OI2026-10-21: 391 OI2026-10-23: 383 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, 2026Viewing383-8
Oct 21, 2026391+324
Oct 16, 2026670
Oct 15, 202667-1
Oct 14, 2026680
Oct 13, 202668+7
Oct 09, 202661No prior observation