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Contract OI history

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Dec 18, 2026 EXPIRATION

ISRG $490.00 Call

ISRG261218C00490000

Latest saved OI217Oct 23, 2026
Last change+44vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
ISRG $490.00 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. 2171080 2026-10-09: 147 OI2026-10-13: 147 OI2026-10-14: 147 OI2026-10-15: 148 OI2026-10-16: 148 OI2026-10-21: 173 OI2026-10-23: 217 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, 2026Viewing217+44
Oct 21, 2026173+25
Oct 16, 20261480
Oct 15, 2026148+1
Oct 14, 20261470
Oct 13, 20261470
Oct 09, 2026147No prior observation