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Contract OI history

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Nov 20, 2026 EXPIRATION

RBA $72.50 Put

RBA261120P00072500

Latest saved OI1,899Oct 23, 2026
Last change0vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
RBA $72.50 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. 1,8999490 2026-10-02: 0 OI2026-10-05: 0 OI2026-10-06: 7 OI2026-10-07: 7 OI2026-10-08: 7 OI2026-10-09: 7 OI2026-10-13: 7 OI2026-10-14: 7 OI2026-10-15: 7 OI2026-10-16: 7 OI2026-10-21: 1,899 OI2026-10-23: 1,899 OI Oct 02, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

RBA contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing1,8990
Oct 21, 20261,899+1,892
Oct 16, 202670
Oct 15, 202670
Oct 14, 202670
Oct 13, 202670
Oct 09, 202670
Oct 08, 202670
Oct 07, 202670
Oct 06, 20267+7
Oct 05, 202600
Oct 02, 20260No prior observation