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Contract OI history

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Mar 19, 2027 EXPIRATION

ISRG $360.00 Put

ISRG270319P00360000

Latest saved OI143Oct 23, 2026
Last change+22vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
ISRG $360.00 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. 143710 2026-10-09: 110 OI2026-10-13: 110 OI2026-10-14: 110 OI2026-10-15: 111 OI2026-10-16: 111 OI2026-10-21: 121 OI2026-10-23: 143 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, 2026Viewing143+22
Oct 21, 2026121+10
Oct 16, 20261110
Oct 15, 2026111+1
Oct 14, 20261100
Oct 13, 20261100
Oct 09, 2026110No prior observation