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Contract OI history

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Jan 15, 2027 EXPIRATION

HBM $40.00 Call

HBM270115C00040000

Latest saved OI834Oct 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 $40.00 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. 8354170 2026-10-02: 835 OI2026-10-05: 835 OI2026-10-06: 835 OI2026-10-07: 835 OI2026-10-08: 835 OI2026-10-09: 835 OI2026-10-13: 835 OI2026-10-14: 835 OI2026-10-16: 834 OI2026-10-20: 834 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, 2026Viewing8340
Oct 16, 2026834-1
Oct 14, 20268350
Oct 13, 20268350
Oct 09, 20268350
Oct 08, 20268350
Oct 07, 20268350
Oct 06, 20268350
Oct 05, 20268350
Oct 02, 2026835No prior observation