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Contract OI history

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Jan 15, 2027 EXPIRATION

HBM $25.00 Put

HBM270115P00025000

Latest saved OI139Oct 20, 2026
Last change0vs previous saved observation
Saved market days10Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
HBM $25.00 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. 139690 2026-10-02: 120 OI2026-10-05: 120 OI2026-10-06: 121 OI2026-10-07: 121 OI2026-10-08: 121 OI2026-10-09: 121 OI2026-10-13: 124 OI2026-10-14: 124 OI2026-10-16: 139 OI2026-10-20: 139 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, 2026Viewing1390
Oct 16, 2026139+15
Oct 14, 20261240
Oct 13, 2026124+3
Oct 09, 20261210
Oct 08, 20261210
Oct 07, 20261210
Oct 06, 2026121+1
Oct 05, 20261200
Oct 02, 2026120No prior observation