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Contract OI history

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Jan 15, 2027 EXPIRATION

HBM $20.00 Put

HBM270115P00020000

Latest saved OI203Oct 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 $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. 2031010 2026-10-02: 202 OI2026-10-05: 202 OI2026-10-06: 202 OI2026-10-07: 202 OI2026-10-08: 203 OI2026-10-09: 203 OI2026-10-13: 203 OI2026-10-14: 203 OI2026-10-16: 203 OI2026-10-20: 203 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, 2026Viewing2030
Oct 16, 20262030
Oct 14, 20262030
Oct 13, 20262030
Oct 09, 20262030
Oct 08, 2026203+1
Oct 07, 20262020
Oct 06, 20262020
Oct 05, 20262020
Oct 02, 2026202No prior observation