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Contract OI history

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Dec 18, 2026 EXPIRATION

BHP $77.50 Put

BHP261218P00077500

Latest saved OI800Oct 23, 2026
Last change-1vs 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. 8024010 2026-10-02: 687 OI2026-10-05: 685 OI2026-10-06: 685 OI2026-10-07: 684 OI2026-10-08: 684 OI2026-10-09: 685 OI2026-10-13: 691 OI2026-10-14: 782 OI2026-10-16: 802 OI2026-10-20: 801 OI2026-10-23: 800 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, 2026Viewing800-1
Oct 20, 2026801-1
Oct 16, 2026802+20
Oct 14, 2026782+91
Oct 13, 2026691+6
Oct 09, 2026685+1
Oct 08, 20266840
Oct 07, 2026684-1
Oct 06, 20266850
Oct 05, 2026685-2
Oct 02, 2026687No prior observation