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Contract OI history

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Jan 15, 2027 EXPIRATION

HBM $35.00 Call

HBM270115C00035000

Latest saved OI1,909Oct 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 $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. 1,9359670 2026-10-02: 1,920 OI2026-10-05: 1,923 OI2026-10-06: 1,923 OI2026-10-07: 1,924 OI2026-10-08: 1,924 OI2026-10-09: 1,924 OI2026-10-13: 1,935 OI2026-10-14: 1,933 OI2026-10-16: 1,910 OI2026-10-20: 1,909 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, 2026Viewing1,909-1
Oct 16, 20261,910-23
Oct 14, 20261,933-2
Oct 13, 20261,935+11
Oct 09, 20261,9240
Oct 08, 20261,9240
Oct 07, 20261,924+1
Oct 06, 20261,9230
Oct 05, 20261,923+3
Oct 02, 20261,920No prior observation