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Contract OI history

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Oct 23, 2026 EXPIRATION

ISRG $512.50 Call

ISRG261023C00512500

Latest saved OI104Oct 23, 2026
Last change0vs previous saved observation
Saved market days6Oct 13, 2026 onwards
Daily open interest Hover a point for its date and OI
ISRG $512.50 call open interest history 6 saved observations from 2026-10-13 to 2026-10-23. Exact values and changes are listed in the table below. 104520 2026-10-13: 0 OI2026-10-14: 0 OI2026-10-15: 0 OI2026-10-16: 0 OI2026-10-21: 104 OI2026-10-23: 104 OI Oct 13, 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, 2026Viewing1040
Oct 21, 2026104+104
Oct 16, 202600
Oct 15, 202600
Oct 14, 202600
Oct 13, 20260No prior observation