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Contract OI history

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Nov 20, 2026 EXPIRATION

HBM $25.00 Call

HBM261120C00025000

Latest saved OI2,524Oct 20, 2026
Last change+488vs previous saved observation
Saved market days10Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
HBM $25.00 call open interest history 10 saved observations from 2026-10-02 to 2026-10-20. Exact values and changes are listed in the table below. 2,5241,2620 2026-10-02: 2,018 OI2026-10-05: 2,020 OI2026-10-06: 2,020 OI2026-10-07: 2,020 OI2026-10-08: 2,019 OI2026-10-09: 2,019 OI2026-10-13: 2,032 OI2026-10-14: 2,032 OI2026-10-16: 2,036 OI2026-10-20: 2,524 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, 2026Viewing2,524+488
Oct 16, 20262,036+4
Oct 14, 20262,0320
Oct 13, 20262,032+13
Oct 09, 20262,0190
Oct 08, 20262,019-1
Oct 07, 20262,0200
Oct 06, 20262,0200
Oct 05, 20262,020+2
Oct 02, 20262,018No prior observation