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Contract OI history

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Nov 20, 2026 EXPIRATION

HBM $20.00 Put

HBM261120P00020000

Latest saved OI2,353Oct 20, 2026
Last change+87vs previous saved observation
Saved market days10Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
HBM $20.00 put open interest history 10 saved observations from 2026-10-02 to 2026-10-20. Exact values and changes are listed in the table below. 2,3531,1760 2026-10-02: 2,247 OI2026-10-05: 2,247 OI2026-10-06: 2,247 OI2026-10-07: 2,247 OI2026-10-08: 2,251 OI2026-10-09: 2,263 OI2026-10-13: 2,263 OI2026-10-14: 2,263 OI2026-10-16: 2,266 OI2026-10-20: 2,353 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, 2026Viewing2,353+87
Oct 16, 20262,266+3
Oct 14, 20262,2630
Oct 13, 20262,2630
Oct 09, 20262,263+12
Oct 08, 20262,251+4
Oct 07, 20262,2470
Oct 06, 20262,2470
Oct 05, 20262,2470
Oct 02, 20262,247No prior observation