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Contract OI history

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Jun 17, 2027 EXPIRATION

ISRG $310.00 Put

ISRG270617P00310000

Latest saved OI165Oct 23, 2026
Last change+45vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
ISRG $310.00 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. 165820 2026-10-09: 121 OI2026-10-13: 121 OI2026-10-14: 121 OI2026-10-15: 121 OI2026-10-16: 121 OI2026-10-21: 120 OI2026-10-23: 165 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, 2026Viewing165+45
Oct 21, 2026120-1
Oct 16, 20261210
Oct 15, 20261210
Oct 14, 20261210
Oct 13, 20261210
Oct 09, 2026121No prior observation