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Contract OI history

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Nov 20, 2026 EXPIRATION

BHP $72.50 Put

BHP261120P00072500

Latest saved OI944Oct 23, 2026
Last change+9vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
BHP $72.50 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. 9444720 2026-10-02: 756 OI2026-10-05: 759 OI2026-10-06: 861 OI2026-10-07: 873 OI2026-10-08: 913 OI2026-10-09: 913 OI2026-10-13: 934 OI2026-10-14: 934 OI2026-10-16: 935 OI2026-10-20: 935 OI2026-10-23: 944 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, 2026Viewing944+9
Oct 20, 20269350
Oct 16, 2026935+1
Oct 14, 20269340
Oct 13, 2026934+21
Oct 09, 20269130
Oct 08, 2026913+40
Oct 07, 2026873+12
Oct 06, 2026861+102
Oct 05, 2026759+3
Oct 02, 2026756No prior observation