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Contract OI history

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Jun 17, 2027 EXPIRATION

ISRG $340.00 Put

ISRG270617P00340000

Latest saved OI111Oct 23, 2026
Last change-1vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
ISRG $340.00 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. 114570 2026-10-09: 114 OI2026-10-13: 112 OI2026-10-14: 112 OI2026-10-15: 112 OI2026-10-16: 112 OI2026-10-21: 112 OI2026-10-23: 111 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, 2026Viewing111-1
Oct 21, 20261120
Oct 16, 20261120
Oct 15, 20261120
Oct 14, 20261120
Oct 13, 2026112-2
Oct 09, 2026114No prior observation