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Contract OI history

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Nov 20, 2026 EXPIRATION

ISRG $425.00 Call

ISRG261120C00425000

Latest saved OI308Oct 23, 2026
Last change-3vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
ISRG $425.00 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. 3131560 2026-10-09: 280 OI2026-10-13: 282 OI2026-10-14: 282 OI2026-10-15: 297 OI2026-10-16: 313 OI2026-10-21: 311 OI2026-10-23: 308 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, 2026Viewing308-3
Oct 21, 2026311-2
Oct 16, 2026313+16
Oct 15, 2026297+15
Oct 14, 20262820
Oct 13, 2026282+2
Oct 09, 2026280No prior observation