OITracker Cboe delayed data

Contract OI history

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Jan 15, 2027 EXPIRATION

ISRG $360.00 Put

ISRG270115P00360000

Latest saved OI334Oct 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 $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. 3391690 2026-10-09: 338 OI2026-10-13: 339 OI2026-10-14: 339 OI2026-10-15: 339 OI2026-10-16: 339 OI2026-10-21: 335 OI2026-10-23: 334 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, 2026Viewing334-1
Oct 21, 2026335-4
Oct 16, 20263390
Oct 15, 20263390
Oct 14, 20263390
Oct 13, 2026339+1
Oct 09, 2026338No prior observation