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Contract OI history

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Jan 21, 2028 EXPIRATION

RIO $135.00 Call

RIO280121C00135000

Latest saved OI116Oct 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 $135.00 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. 122610 2026-10-02: 105 OI2026-10-05: 105 OI2026-10-06: 105 OI2026-10-07: 105 OI2026-10-08: 105 OI2026-10-09: 104 OI2026-10-13: 104 OI2026-10-14: 104 OI2026-10-15: 122 OI2026-10-16: 117 OI2026-10-20: 116 OI2026-10-23: 116 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, 20261160
Oct 20, 2026Viewing116-1
Oct 16, 2026117-5
Oct 15, 2026122+18
Oct 14, 20261040
Oct 13, 20261040
Oct 09, 2026104-1
Oct 08, 20261050
Oct 07, 20261050
Oct 06, 20261050
Oct 05, 20261050
Oct 02, 2026105No prior observation