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Contract OI history

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Dec 18, 2026 EXPIRATION

ISRG $400.00 Call

ISRG261218C00400000

Latest saved OI1,407Oct 23, 2026
Last change-59vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
ISRG $400.00 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. 1,4717350 2026-10-09: 1,471 OI2026-10-13: 1,468 OI2026-10-14: 1,468 OI2026-10-15: 1,469 OI2026-10-16: 1,469 OI2026-10-21: 1,466 OI2026-10-23: 1,407 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, 2026Viewing1,407-59
Oct 21, 20261,466-3
Oct 16, 20261,4690
Oct 15, 20261,469+1
Oct 14, 20261,4680
Oct 13, 20261,468-3
Oct 09, 20261,471No prior observation