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Contract OI history

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Nov 20, 2026 EXPIRATION

BHP $77.50 Put

BHP261120P00077500

Latest saved OI31,117Oct 23, 2026
Last change+80vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
BHP $77.50 put open interest history 11 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 31,11715,5580 2026-10-02: 30,652 OI2026-10-05: 30,652 OI2026-10-06: 30,656 OI2026-10-07: 30,682 OI2026-10-08: 30,707 OI2026-10-09: 30,712 OI2026-10-13: 30,735 OI2026-10-14: 30,742 OI2026-10-16: 30,749 OI2026-10-20: 31,037 OI2026-10-23: 31,117 OI Oct 02, 2026Oct 23, 2026

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

BHP contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing31,117+80
Oct 20, 202631,037+288
Oct 16, 202630,749+7
Oct 14, 202630,742+7
Oct 13, 202630,735+23
Oct 09, 202630,712+5
Oct 08, 202630,707+25
Oct 07, 202630,682+26
Oct 06, 202630,656+4
Oct 05, 202630,6520
Oct 02, 202630,652No prior observation