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Contract OI history

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Oct 23, 2026 EXPIRATION

ISRG $440.00 Call

ISRG261023C00440000

Latest saved OI363Oct 23, 2026
Last change+130vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
ISRG $440.00 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. 3631810 2026-10-09: 88 OI2026-10-13: 90 OI2026-10-14: 90 OI2026-10-15: 90 OI2026-10-16: 99 OI2026-10-21: 233 OI2026-10-23: 363 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, 2026Viewing363+130
Oct 21, 2026233+134
Oct 16, 202699+9
Oct 15, 2026900
Oct 14, 2026900
Oct 13, 202690+2
Oct 09, 202688No prior observation