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Contract OI history

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Mar 19, 2027 EXPIRATION

RIO $47.50 Put

RIO270319P00047500

Latest saved OI864Oct 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 $47.50 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. 8644320 2026-10-02: 217 OI2026-10-05: 476 OI2026-10-06: 476 OI2026-10-07: 562 OI2026-10-08: 841 OI2026-10-09: 841 OI2026-10-13: 864 OI2026-10-14: 864 OI2026-10-15: 864 OI2026-10-16: 864 OI2026-10-20: 864 OI2026-10-23: 864 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, 20268640
Oct 20, 2026Viewing8640
Oct 16, 20268640
Oct 15, 20268640
Oct 14, 20268640
Oct 13, 2026864+23
Oct 09, 20268410
Oct 08, 2026841+279
Oct 07, 2026562+86
Oct 06, 20264760
Oct 05, 2026476+259
Oct 02, 2026217No prior observation