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Contract OI history

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Nov 20, 2026 EXPIRATION

HBM $30.00 Put

HBM261120P00030000

Latest saved OI145Oct 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 $30.00 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. 147730 2026-10-02: 142 OI2026-10-05: 142 OI2026-10-06: 144 OI2026-10-07: 144 OI2026-10-08: 145 OI2026-10-09: 145 OI2026-10-13: 147 OI2026-10-14: 147 OI2026-10-16: 145 OI2026-10-20: 145 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, 2026Viewing1450
Oct 16, 2026145-2
Oct 14, 20261470
Oct 13, 2026147+2
Oct 09, 20261450
Oct 08, 2026145+1
Oct 07, 20261440
Oct 06, 2026144+2
Oct 05, 20261420
Oct 02, 2026142No prior observation