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Contract OI history

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Nov 20, 2026 EXPIRATION

HBM $35.00 Call

HBM261120C00035000

Latest saved OI3,502Oct 20, 2026
Last change+3vs previous saved observation
Saved market days10Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
HBM $35.00 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. 3,5371,7680 2026-10-02: 3,504 OI2026-10-05: 3,505 OI2026-10-06: 3,507 OI2026-10-07: 3,518 OI2026-10-08: 3,521 OI2026-10-09: 3,525 OI2026-10-13: 3,537 OI2026-10-14: 3,537 OI2026-10-16: 3,499 OI2026-10-20: 3,502 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, 2026Viewing3,502+3
Oct 16, 20263,499-38
Oct 14, 20263,5370
Oct 13, 20263,537+12
Oct 09, 20263,525+4
Oct 08, 20263,521+3
Oct 07, 20263,518+11
Oct 06, 20263,507+2
Oct 05, 20263,505+1
Oct 02, 20263,504No prior observation