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Contract OI history

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Nov 20, 2026 EXPIRATION

BHP $75.00 Put

BHP261120P00075000

Latest saved OI1,228Oct 23, 2026
Last change+22vs 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. 1,2286140 2026-10-02: 401 OI2026-10-05: 400 OI2026-10-06: 422 OI2026-10-07: 419 OI2026-10-08: 440 OI2026-10-09: 438 OI2026-10-13: 448 OI2026-10-14: 449 OI2026-10-16: 847 OI2026-10-20: 1,206 OI2026-10-23: 1,228 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, 2026Viewing1,228+22
Oct 20, 20261,206+359
Oct 16, 2026847+398
Oct 14, 2026449+1
Oct 13, 2026448+10
Oct 09, 2026438-2
Oct 08, 2026440+21
Oct 07, 2026419-3
Oct 06, 2026422+22
Oct 05, 2026400-1
Oct 02, 2026401No prior observation