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Contract OI history

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Mar 19, 2027 EXPIRATION

RIO $100.00 Call

RIO270319C00100000

Latest saved OI430Oct 23, 2026
Last change-6vs 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. 5502750 2026-10-02: 531 OI2026-10-05: 533 OI2026-10-06: 533 OI2026-10-07: 533 OI2026-10-08: 533 OI2026-10-09: 533 OI2026-10-13: 535 OI2026-10-14: 535 OI2026-10-15: 538 OI2026-10-16: 550 OI2026-10-20: 436 OI2026-10-23: 430 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, 2026430-6
Oct 20, 2026Viewing436-114
Oct 16, 2026550+12
Oct 15, 2026538+3
Oct 14, 20265350
Oct 13, 2026535+2
Oct 09, 20265330
Oct 08, 20265330
Oct 07, 20265330
Oct 06, 20265330
Oct 05, 2026533+2
Oct 02, 2026531No prior observation