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Contract OI history

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Jan 21, 2028 EXPIRATION

RIO $100.00 Call

RIO280121C00100000

Latest saved OI896Oct 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 $100.00 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. 8994490 2026-10-02: 899 OI2026-10-05: 899 OI2026-10-06: 899 OI2026-10-07: 899 OI2026-10-08: 898 OI2026-10-09: 896 OI2026-10-13: 898 OI2026-10-14: 898 OI2026-10-15: 898 OI2026-10-16: 898 OI2026-10-20: 896 OI2026-10-23: 896 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, 20268960
Oct 20, 2026Viewing896-2
Oct 16, 20268980
Oct 15, 20268980
Oct 14, 20268980
Oct 13, 2026898+2
Oct 09, 2026896-2
Oct 08, 2026898-1
Oct 07, 20268990
Oct 06, 20268990
Oct 05, 20268990
Oct 02, 2026899No prior observation