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Contract OI history

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Nov 20, 2026 EXPIRATION

HBM $25.00 Put

HBM261120P00025000

Latest saved OI2,375Oct 20, 2026
Last change-98vs previous saved observation
Saved market days10Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
HBM $25.00 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. 2,4731,2360 2026-10-02: 2,439 OI2026-10-05: 2,439 OI2026-10-06: 2,441 OI2026-10-07: 2,451 OI2026-10-08: 2,451 OI2026-10-09: 2,451 OI2026-10-13: 2,450 OI2026-10-14: 2,454 OI2026-10-16: 2,473 OI2026-10-20: 2,375 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, 2026Viewing2,375-98
Oct 16, 20262,473+19
Oct 14, 20262,454+4
Oct 13, 20262,450-1
Oct 09, 20262,4510
Oct 08, 20262,4510
Oct 07, 20262,451+10
Oct 06, 20262,441+2
Oct 05, 20262,4390
Oct 02, 20262,439No prior observation