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Contract OI history

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Jan 15, 2027 EXPIRATION

RIO $85.00 Call

RIO270115C00085000

Latest saved OI1,231Oct 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 $85.00 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. 1,2316150 2026-10-02: 1,080 OI2026-10-05: 1,079 OI2026-10-06: 1,079 OI2026-10-07: 1,079 OI2026-10-08: 1,079 OI2026-10-09: 1,079 OI2026-10-13: 1,076 OI2026-10-14: 1,076 OI2026-10-15: 1,076 OI2026-10-16: 1,094 OI2026-10-20: 1,231 OI2026-10-23: 1,231 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, 2026Viewing1,2310
Oct 20, 20261,231+137
Oct 16, 20261,094+18
Oct 15, 20261,0760
Oct 14, 20261,0760
Oct 13, 20261,076-3
Oct 09, 20261,0790
Oct 08, 20261,0790
Oct 07, 20261,0790
Oct 06, 20261,0790
Oct 05, 20261,079-1
Oct 02, 20261,080No prior observation