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Contract OI history

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Dec 18, 2026 EXPIRATION

BHP $75.00 Put

BHP261218P00075000

Latest saved OI1,641Oct 23, 2026
Last change+3vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
BHP $75.00 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. 1,6418200 2026-10-02: 337 OI2026-10-05: 337 OI2026-10-06: 337 OI2026-10-07: 336 OI2026-10-08: 337 OI2026-10-09: 341 OI2026-10-13: 569 OI2026-10-14: 855 OI2026-10-16: 1,633 OI2026-10-20: 1,638 OI2026-10-23: 1,641 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, 2026Viewing1,641+3
Oct 20, 20261,638+5
Oct 16, 20261,633+778
Oct 14, 2026855+286
Oct 13, 2026569+228
Oct 09, 2026341+4
Oct 08, 2026337+1
Oct 07, 2026336-1
Oct 06, 20263370
Oct 05, 20263370
Oct 02, 2026337No prior observation