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Contract OI history

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Jan 21, 2028 EXPIRATION

ISRG $500.00 Call

ISRG280121C00500000

Latest saved OI189Oct 23, 2026
Last change-19vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
ISRG $500.00 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. 2091040 2026-10-09: 208 OI2026-10-13: 209 OI2026-10-14: 209 OI2026-10-15: 198 OI2026-10-16: 198 OI2026-10-21: 208 OI2026-10-23: 189 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, 2026Viewing189-19
Oct 21, 2026208+10
Oct 16, 20261980
Oct 15, 2026198-11
Oct 14, 20262090
Oct 13, 2026209+1
Oct 09, 2026208No prior observation