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Contract OI history

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Jan 21, 2028 EXPIRATION

RIO $90.00 Call

RIO280121C00090000

Latest saved OI219Oct 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 $90.00 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. 2221110 2026-10-02: 222 OI2026-10-05: 222 OI2026-10-06: 222 OI2026-10-07: 222 OI2026-10-08: 222 OI2026-10-09: 222 OI2026-10-13: 220 OI2026-10-14: 220 OI2026-10-15: 219 OI2026-10-16: 219 OI2026-10-20: 219 OI2026-10-23: 219 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, 20262190
Oct 20, 2026Viewing2190
Oct 16, 20262190
Oct 15, 2026219-1
Oct 14, 20262200
Oct 13, 2026220-2
Oct 09, 20262220
Oct 08, 20262220
Oct 07, 20262220
Oct 06, 20262220
Oct 05, 20262220
Oct 02, 2026222No prior observation