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Contract OI history

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Jan 15, 2027 EXPIRATION

HBM $22.50 Put

HBM270115P00022500

Latest saved OI1,843Oct 20, 2026
Last change+1vs previous saved observation
Saved market days10Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
HBM $22.50 put open interest history 10 saved observations from 2026-10-02 to 2026-10-20. Exact values and changes are listed in the table below. 1,8439210 2026-10-02: 1,815 OI2026-10-05: 1,815 OI2026-10-06: 1,815 OI2026-10-07: 1,816 OI2026-10-08: 1,840 OI2026-10-09: 1,842 OI2026-10-13: 1,842 OI2026-10-14: 1,840 OI2026-10-16: 1,842 OI2026-10-20: 1,843 OI Oct 02, 2026Oct 20, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

HBM contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 20, 2026Viewing1,843+1
Oct 16, 20261,842+2
Oct 14, 20261,840-2
Oct 13, 20261,8420
Oct 09, 20261,842+2
Oct 08, 20261,840+24
Oct 07, 20261,816+1
Oct 06, 20261,8150
Oct 05, 20261,8150
Oct 02, 20261,815No prior observation