OITracker Cboe delayed data

Contract OI history

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Jan 15, 2027 EXPIRATION

OR $25.00 Put

OR270115P00025000

Latest saved OI567Oct 23, 2026
Last change0vs previous saved observation
Saved market days10Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
OR $25.00 put open interest history 10 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 5682840 2026-10-02: 568 OI2026-10-05: 568 OI2026-10-07: 568 OI2026-10-08: 568 OI2026-10-09: 568 OI2026-10-13: 568 OI2026-10-14: 568 OI2026-10-16: 567 OI2026-10-20: 567 OI2026-10-23: 567 OI Oct 02, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

OR contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing5670
Oct 20, 20265670
Oct 16, 2026567-1
Oct 14, 20265680
Oct 13, 20265680
Oct 09, 20265680
Oct 08, 20265680
Oct 07, 20265680
Oct 05, 20265680
Oct 02, 2026568No prior observation