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Contract OI history

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Mar 19, 2027 EXPIRATION

GBX $32.50 Put

GBX270319P00032500

Latest saved OI36Oct 23, 2026
Last change+5vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
GBX $32.50 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. 36180 2026-10-02: 24 OI2026-10-05: 24 OI2026-10-06: 24 OI2026-10-07: 29 OI2026-10-08: 29 OI2026-10-09: 31 OI2026-10-13: 31 OI2026-10-14: 31 OI2026-10-16: 31 OI2026-10-20: 31 OI2026-10-23: 36 OI Oct 02, 2026Oct 23, 2026

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

GBX contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing36+5
Oct 20, 2026310
Oct 16, 2026310
Oct 14, 2026310
Oct 13, 2026310
Oct 09, 202631+2
Oct 08, 2026290
Oct 07, 202629+5
Oct 06, 2026240
Oct 05, 2026240
Oct 02, 202624No prior observation