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Contract OI history

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Jan 21, 2028 EXPIRATION

RIO $115.00 Call

RIO280121C00115000

Latest saved OI161Oct 23, 2026
Last change+2vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
RIO $115.00 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. 163810 2026-10-02: 157 OI2026-10-05: 160 OI2026-10-06: 160 OI2026-10-07: 160 OI2026-10-08: 160 OI2026-10-09: 160 OI2026-10-13: 163 OI2026-10-14: 163 OI2026-10-15: 163 OI2026-10-16: 161 OI2026-10-20: 159 OI2026-10-23: 161 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, 2026161+2
Oct 20, 2026Viewing159-2
Oct 16, 2026161-2
Oct 15, 20261630
Oct 14, 20261630
Oct 13, 2026163+3
Oct 09, 20261600
Oct 08, 20261600
Oct 07, 20261600
Oct 06, 20261600
Oct 05, 2026160+3
Oct 02, 2026157No prior observation