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Contract OI history

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Nov 20, 2026 EXPIRATION

BZH $31.00 Put

BZH261120P00031000

Latest saved OI117Oct 23, 2026
Last change-70vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
BZH $31.00 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. 4662330 2026-10-02: 51 OI2026-10-05: 51 OI2026-10-06: 351 OI2026-10-07: 351 OI2026-10-08: 361 OI2026-10-09: 381 OI2026-10-13: 446 OI2026-10-14: 446 OI2026-10-16: 466 OI2026-10-19: 187 OI2026-10-23: 117 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, 2026Viewing117-70
Oct 19, 2026187-279
Oct 16, 2026466+20
Oct 14, 20264460
Oct 13, 2026446+65
Oct 09, 2026381+20
Oct 08, 2026361+10
Oct 07, 20263510
Oct 06, 2026351+300
Oct 05, 2026510
Oct 02, 202651No prior observation