OITracker Cboe delayed data

Contract OI history

Back to BHP

Dec 18, 2026 EXPIRATION

BHP $72.50 Put

BHP261218P00072500

Latest saved OI834Oct 23, 2026
Last change+2vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
BHP $72.50 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. 8344170 2026-10-02: 704 OI2026-10-05: 704 OI2026-10-06: 704 OI2026-10-07: 704 OI2026-10-08: 704 OI2026-10-09: 704 OI2026-10-13: 705 OI2026-10-14: 705 OI2026-10-16: 830 OI2026-10-20: 832 OI2026-10-23: 834 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, 2026Viewing834+2
Oct 20, 2026832+2
Oct 16, 2026830+125
Oct 14, 20267050
Oct 13, 2026705+1
Oct 09, 20267040
Oct 08, 20267040
Oct 07, 20267040
Oct 06, 20267040
Oct 05, 20267040
Oct 02, 2026704No prior observation