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Contract OI history

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Mar 19, 2027 EXPIRATION

ISRG $420.00 Call

ISRG270319C00420000

Latest saved OI123Oct 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 $420.00 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. 123610 2026-10-09: 113 OI2026-10-13: 113 OI2026-10-14: 113 OI2026-10-15: 113 OI2026-10-16: 118 OI2026-10-21: 114 OI2026-10-23: 123 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, 2026Viewing123+9
Oct 21, 2026114-4
Oct 16, 2026118+5
Oct 15, 20261130
Oct 14, 20261130
Oct 13, 20261130
Oct 09, 2026113No prior observation