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Contract OI history

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Apr 16, 2027 EXPIRATION

HBM $30.00 Call

HBM270416C00030000

Latest saved OI149Oct 20, 2026
Last change+11vs previous saved observation
Saved market days10Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
HBM $30.00 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. 149740 2026-10-02: 124 OI2026-10-05: 124 OI2026-10-06: 129 OI2026-10-07: 129 OI2026-10-08: 129 OI2026-10-09: 138 OI2026-10-13: 140 OI2026-10-14: 140 OI2026-10-16: 138 OI2026-10-20: 149 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, 2026Viewing149+11
Oct 16, 2026138-2
Oct 14, 20261400
Oct 13, 2026140+2
Oct 09, 2026138+9
Oct 08, 20261290
Oct 07, 20261290
Oct 06, 2026129+5
Oct 05, 20261240
Oct 02, 2026124No prior observation