OITracker Cboe delayed data

Contract OI history

Back to RIO

Jan 15, 2027 EXPIRATION

RIO $140.00 Call

RIO270115C00140000

Latest saved OI2,883Oct 23, 2026
Last change0vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
RIO $140.00 call open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 2,8831,4410 2026-10-02: 2,883 OI2026-10-05: 2,883 OI2026-10-06: 2,883 OI2026-10-07: 2,883 OI2026-10-08: 2,883 OI2026-10-09: 2,883 OI2026-10-13: 2,883 OI2026-10-14: 2,883 OI2026-10-15: 2,883 OI2026-10-16: 2,883 OI2026-10-20: 2,883 OI2026-10-23: 2,883 OI Oct 02, 2026Oct 23, 2026

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

RIO contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 20262,8830
Oct 20, 2026Viewing2,8830
Oct 16, 20262,8830
Oct 15, 20262,8830
Oct 14, 20262,8830
Oct 13, 20262,8830
Oct 09, 20262,8830
Oct 08, 20262,8830
Oct 07, 20262,8830
Oct 06, 20262,8830
Oct 05, 20262,8830
Oct 02, 20262,883No prior observation