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Contract OI history

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Nov 20, 2026 EXPIRATION

HBM $22.50 Call

HBM261120C00022500

Latest saved OI339Oct 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 $22.50 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. 3391690 2026-10-02: 319 OI2026-10-05: 319 OI2026-10-06: 318 OI2026-10-07: 318 OI2026-10-08: 318 OI2026-10-09: 318 OI2026-10-13: 318 OI2026-10-14: 318 OI2026-10-16: 328 OI2026-10-20: 339 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, 2026Viewing339+11
Oct 16, 2026328+10
Oct 14, 20263180
Oct 13, 20263180
Oct 09, 20263180
Oct 08, 20263180
Oct 07, 20263180
Oct 06, 2026318-1
Oct 05, 20263190
Oct 02, 2026319No prior observation