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Contract OI history

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Nov 20, 2026 EXPIRATION

BHP $87.50 Put

BHP261120P00087500

Latest saved OI274Oct 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. 2811400 2026-10-02: 281 OI2026-10-05: 281 OI2026-10-06: 280 OI2026-10-07: 280 OI2026-10-08: 280 OI2026-10-09: 272 OI2026-10-13: 271 OI2026-10-14: 273 OI2026-10-16: 273 OI2026-10-20: 274 OI2026-10-23: 274 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, 2026Viewing2740
Oct 20, 2026274+1
Oct 16, 20262730
Oct 14, 2026273+2
Oct 13, 2026271-1
Oct 09, 2026272-8
Oct 08, 20262800
Oct 07, 20262800
Oct 06, 2026280-1
Oct 05, 20262810
Oct 02, 2026281No prior observation