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Contract OI history

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Oct 23, 2026 EXPIRATION

ISRG $445.00 Call

ISRG261023C00445000

Latest saved OI176Oct 23, 2026
Last change+65vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
ISRG $445.00 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. 176880 2026-10-09: 58 OI2026-10-13: 60 OI2026-10-14: 60 OI2026-10-15: 60 OI2026-10-16: 62 OI2026-10-21: 111 OI2026-10-23: 176 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, 2026Viewing176+65
Oct 21, 2026111+49
Oct 16, 202662+2
Oct 15, 2026600
Oct 14, 2026600
Oct 13, 202660+2
Oct 09, 202658No prior observation