OITracker Cboe delayed data

Contract OI history

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Jan 15, 2027 EXPIRATION

HBM $25.00 Call

HBM270115C00025000

Latest saved OI2,140Oct 20, 2026
Last change-4vs previous saved observation
Saved market days10Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
HBM $25.00 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. 2,1471,0730 2026-10-02: 2,145 OI2026-10-05: 2,145 OI2026-10-06: 2,145 OI2026-10-07: 2,145 OI2026-10-08: 2,145 OI2026-10-09: 2,146 OI2026-10-13: 2,147 OI2026-10-14: 2,147 OI2026-10-16: 2,144 OI2026-10-20: 2,140 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, 2026Viewing2,140-4
Oct 16, 20262,144-3
Oct 14, 20262,1470
Oct 13, 20262,147+1
Oct 09, 20262,146+1
Oct 08, 20262,1450
Oct 07, 20262,1450
Oct 06, 20262,1450
Oct 05, 20262,1450
Oct 02, 20262,145No prior observation