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Contract OI history

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Dec 18, 2026 EXPIRATION

RIO $145.00 Call

RIO261218C00145000

Latest saved OI2,088Oct 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 $145.00 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. 2,0881,0440 2026-10-02: 2,088 OI2026-10-05: 2,088 OI2026-10-06: 2,088 OI2026-10-07: 2,088 OI2026-10-08: 2,088 OI2026-10-09: 2,088 OI2026-10-13: 2,088 OI2026-10-14: 2,088 OI2026-10-15: 2,088 OI2026-10-16: 2,088 OI2026-10-20: 2,088 OI2026-10-23: 2,088 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, 2026Viewing2,0880
Oct 20, 20262,0880
Oct 16, 20262,0880
Oct 15, 20262,0880
Oct 14, 20262,0880
Oct 13, 20262,0880
Oct 09, 20262,0880
Oct 08, 20262,0880
Oct 07, 20262,0880
Oct 06, 20262,0880
Oct 05, 20262,0880
Oct 02, 20262,088No prior observation