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Contract OI history

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Nov 20, 2026 EXPIRATION

BZH $29.00 Put

BZH261120P00029000

Latest saved OI231Oct 23, 2026
Last change-140vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
BZH $29.00 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. 3711850 2026-10-02: 111 OI2026-10-05: 111 OI2026-10-06: 111 OI2026-10-07: 111 OI2026-10-08: 111 OI2026-10-09: 111 OI2026-10-13: 111 OI2026-10-14: 111 OI2026-10-16: 231 OI2026-10-19: 371 OI2026-10-23: 231 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, 2026Viewing231-140
Oct 19, 2026371+140
Oct 16, 2026231+120
Oct 14, 20261110
Oct 13, 20261110
Oct 09, 20261110
Oct 08, 20261110
Oct 07, 20261110
Oct 06, 20261110
Oct 05, 20261110
Oct 02, 2026111No prior observation