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Contract OI history

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Feb 19, 2027 EXPIRATION

BZH $30.00 Put

BZH270219P00030000

Latest saved OI1,767Oct 23, 2026
Last change0vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
BZH $30.00 put open interest history 11 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 1,7678830 2026-10-02: 39 OI2026-10-05: 39 OI2026-10-06: 39 OI2026-10-07: 39 OI2026-10-08: 39 OI2026-10-09: 39 OI2026-10-13: 39 OI2026-10-14: 39 OI2026-10-16: 1,767 OI2026-10-19: 1,767 OI2026-10-23: 1,767 OI Oct 02, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

BZH contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing1,7670
Oct 19, 20261,7670
Oct 16, 20261,767+1,728
Oct 14, 2026390
Oct 13, 2026390
Oct 09, 2026390
Oct 08, 2026390
Oct 07, 2026390
Oct 06, 2026390
Oct 05, 2026390
Oct 02, 202639No prior observation