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Contract OI history

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Nov 20, 2026 EXPIRATION

BZH $30.00 Put

BZH261120P00030000

Latest saved OI54Oct 23, 2026
Last change-38vs 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. 92460 2026-10-02: 54 OI2026-10-05: 54 OI2026-10-06: 54 OI2026-10-07: 54 OI2026-10-08: 54 OI2026-10-09: 54 OI2026-10-13: 54 OI2026-10-14: 54 OI2026-10-16: 54 OI2026-10-19: 92 OI2026-10-23: 54 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, 2026Viewing54-38
Oct 19, 202692+38
Oct 16, 2026540
Oct 14, 2026540
Oct 13, 2026540
Oct 09, 2026540
Oct 08, 2026540
Oct 07, 2026540
Oct 06, 2026540
Oct 05, 2026540
Oct 02, 202654No prior observation