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Contract OI history

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Oct 23, 2026 EXPIRATION

ISRG $500.00 Call

ISRG261023C00500000

Latest saved OI353Oct 23, 2026
Last change-41vs 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. 3941970 2026-10-09: 0 OI2026-10-13: 222 OI2026-10-14: 222 OI2026-10-15: 223 OI2026-10-16: 226 OI2026-10-21: 394 OI2026-10-23: 353 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, 2026Viewing353-41
Oct 21, 2026394+168
Oct 16, 2026226+3
Oct 15, 2026223+1
Oct 14, 20262220
Oct 13, 2026222+222
Oct 09, 20260No prior observation