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Contract OI history

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Nov 20, 2026 EXPIRATION

ISRG $450.00 Call

ISRG261120C00450000

Latest saved OI518Oct 23, 2026
Last change+9vs 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. 5182590 2026-10-09: 390 OI2026-10-13: 399 OI2026-10-14: 399 OI2026-10-15: 418 OI2026-10-16: 471 OI2026-10-21: 509 OI2026-10-23: 518 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, 2026Viewing518+9
Oct 21, 2026509+38
Oct 16, 2026471+53
Oct 15, 2026418+19
Oct 14, 20263990
Oct 13, 2026399+9
Oct 09, 2026390No prior observation