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Contract OI history

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May 21, 2027 EXPIRATION

BZH $32.00 Put

BZH270521P00032000

Latest saved OI231Oct 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 $32.00 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. 2311150 2026-10-02: 0 OI2026-10-05: 0 OI2026-10-06: 0 OI2026-10-07: 0 OI2026-10-08: 0 OI2026-10-09: 0 OI2026-10-13: 0 OI2026-10-14: 0 OI2026-10-16: 121 OI2026-10-19: 231 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, 2026Viewing2310
Oct 19, 2026231+110
Oct 16, 2026121+121
Oct 14, 202600
Oct 13, 202600
Oct 09, 202600
Oct 08, 202600
Oct 07, 202600
Oct 06, 202600
Oct 05, 202600
Oct 02, 20260No prior observation