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Contract OI history

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Mar 19, 2027 EXPIRATION

ISRG $550.00 Call

ISRG270319C00550000

Latest saved OI171Oct 23, 2026
Last change+10vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
ISRG $550.00 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. 171850 2026-10-09: 161 OI2026-10-13: 162 OI2026-10-14: 162 OI2026-10-15: 162 OI2026-10-16: 161 OI2026-10-21: 161 OI2026-10-23: 171 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, 2026Viewing171+10
Oct 21, 20261610
Oct 16, 2026161-1
Oct 15, 20261620
Oct 14, 20261620
Oct 13, 2026162+1
Oct 09, 2026161No prior observation