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Contract OI history

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Jan 15, 2027 EXPIRATION

ISRG $410.00 Put

ISRG270115P00410000

Latest saved OI430Oct 23, 2026
Last change+35vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
ISRG $410.00 put open interest history 7 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 4302150 2026-10-09: 387 OI2026-10-13: 390 OI2026-10-14: 390 OI2026-10-15: 390 OI2026-10-16: 390 OI2026-10-21: 395 OI2026-10-23: 430 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, 2026Viewing430+35
Oct 21, 2026395+5
Oct 16, 20263900
Oct 15, 20263900
Oct 14, 20263900
Oct 13, 2026390+3
Oct 09, 2026387No prior observation