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Contract OI history

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Jan 21, 2028 EXPIRATION

ISRG $820.00 Call

ISRG280121C00820000

Latest saved OI730Oct 23, 2026
Last change0vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
ISRG $820.00 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. 7303650 2026-10-09: 728 OI2026-10-13: 730 OI2026-10-14: 730 OI2026-10-15: 730 OI2026-10-16: 730 OI2026-10-21: 730 OI2026-10-23: 730 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, 2026Viewing7300
Oct 21, 20267300
Oct 16, 20267300
Oct 15, 20267300
Oct 14, 20267300
Oct 13, 2026730+2
Oct 09, 2026728No prior observation