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Contract OI history

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Nov 20, 2026 EXPIRATION

ISRG $380.00 Put

ISRG261120P00380000

Latest saved OI566Oct 23, 2026
Last change+11vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
ISRG $380.00 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. 5662830 2026-10-09: 462 OI2026-10-13: 462 OI2026-10-14: 462 OI2026-10-15: 463 OI2026-10-16: 462 OI2026-10-21: 555 OI2026-10-23: 566 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, 2026Viewing566+11
Oct 21, 2026555+93
Oct 16, 2026462-1
Oct 15, 2026463+1
Oct 14, 20264620
Oct 13, 20264620
Oct 09, 2026462No prior observation