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Contract OI history

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Dec 18, 2026 EXPIRATION

RBA $80.00 Put

RBA261218P00080000

Latest saved OI145Oct 23, 2026
Last change+1vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
RBA $80.00 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. 152760 2026-10-02: 152 OI2026-10-05: 152 OI2026-10-06: 152 OI2026-10-07: 152 OI2026-10-08: 152 OI2026-10-09: 152 OI2026-10-13: 152 OI2026-10-14: 152 OI2026-10-15: 152 OI2026-10-16: 152 OI2026-10-21: 144 OI2026-10-23: 145 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, 2026Viewing145+1
Oct 21, 2026144-8
Oct 16, 20261520
Oct 15, 20261520
Oct 14, 20261520
Oct 13, 20261520
Oct 09, 20261520
Oct 08, 20261520
Oct 07, 20261520
Oct 06, 20261520
Oct 05, 20261520
Oct 02, 2026152No prior observation