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Contract OI history

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Dec 18, 2026 EXPIRATION

RIO $92.50 Put

RIO261218P00092500

Latest saved OI981Oct 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 $92.50 put open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 1,0345170 2026-10-02: 806 OI2026-10-05: 1,028 OI2026-10-06: 1,028 OI2026-10-07: 1,029 OI2026-10-08: 1,029 OI2026-10-09: 1,029 OI2026-10-13: 1,034 OI2026-10-14: 1,034 OI2026-10-15: 1,034 OI2026-10-16: 1,031 OI2026-10-20: 981 OI2026-10-23: 981 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, 2026Viewing9810
Oct 20, 2026981-50
Oct 16, 20261,031-3
Oct 15, 20261,0340
Oct 14, 20261,0340
Oct 13, 20261,034+5
Oct 09, 20261,0290
Oct 08, 20261,0290
Oct 07, 20261,029+1
Oct 06, 20261,0280
Oct 05, 20261,028+222
Oct 02, 2026806No prior observation