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Contract OI history

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Dec 18, 2026 EXPIRATION

BHP $87.50 Put

BHP261218P00087500

Latest saved OI2,490Oct 23, 2026
Last change0vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
BHP $87.50 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. 2,4961,2480 2026-10-02: 2,171 OI2026-10-05: 2,266 OI2026-10-06: 2,487 OI2026-10-07: 2,487 OI2026-10-08: 2,487 OI2026-10-09: 2,496 OI2026-10-13: 2,496 OI2026-10-14: 2,488 OI2026-10-16: 2,490 OI2026-10-20: 2,490 OI2026-10-23: 2,490 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, 2026Viewing2,4900
Oct 20, 20262,4900
Oct 16, 20262,490+2
Oct 14, 20262,488-8
Oct 13, 20262,4960
Oct 09, 20262,496+9
Oct 08, 20262,4870
Oct 07, 20262,4870
Oct 06, 20262,487+221
Oct 05, 20262,266+95
Oct 02, 20262,171No prior observation