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Contract OI history

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Mar 19, 2027 EXPIRATION

BHP $55.00 Put

BHP270319P00055000

Latest saved OI90Oct 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 $55.00 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. 90450 2026-10-02: 67 OI2026-10-05: 77 OI2026-10-06: 82 OI2026-10-07: 85 OI2026-10-08: 86 OI2026-10-09: 86 OI2026-10-13: 86 OI2026-10-14: 86 OI2026-10-16: 89 OI2026-10-20: 89 OI2026-10-23: 90 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, 2026Viewing90+1
Oct 20, 2026890
Oct 16, 202689+3
Oct 14, 2026860
Oct 13, 2026860
Oct 09, 2026860
Oct 08, 202686+1
Oct 07, 202685+3
Oct 06, 202682+5
Oct 05, 202677+10
Oct 02, 202667No prior observation