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Contract OI history

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Mar 19, 2027 EXPIRATION

RIO $120.00 Call

RIO270319C00120000

Latest saved OI273Oct 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 $120.00 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. 2731360 2026-10-02: 266 OI2026-10-05: 269 OI2026-10-06: 269 OI2026-10-07: 270 OI2026-10-08: 270 OI2026-10-09: 270 OI2026-10-13: 270 OI2026-10-14: 270 OI2026-10-15: 270 OI2026-10-16: 270 OI2026-10-20: 273 OI2026-10-23: 273 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, 20262730
Oct 20, 2026Viewing273+3
Oct 16, 20262700
Oct 15, 20262700
Oct 14, 20262700
Oct 13, 20262700
Oct 09, 20262700
Oct 08, 20262700
Oct 07, 2026270+1
Oct 06, 20262690
Oct 05, 2026269+3
Oct 02, 2026266No prior observation