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Contract OI history

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May 21, 2027 EXPIRATION

BHP $70.00 Put

BHP270521P00070000

Latest saved OI150Oct 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 $70.00 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. 150750 2026-10-02: 0 OI2026-10-05: 0 OI2026-10-06: 4 OI2026-10-07: 4 OI2026-10-08: 4 OI2026-10-09: 4 OI2026-10-13: 4 OI2026-10-14: 148 OI2026-10-16: 148 OI2026-10-20: 150 OI2026-10-23: 150 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, 2026Viewing1500
Oct 20, 2026150+2
Oct 16, 20261480
Oct 14, 2026148+144
Oct 13, 202640
Oct 09, 202640
Oct 08, 202640
Oct 07, 202640
Oct 06, 20264+4
Oct 05, 202600
Oct 02, 20260No prior observation