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Contract OI history

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Jun 17, 2027 EXPIRATION

GBX $27.50 Put

GBX270617P00027500

Latest saved OI2Oct 23, 2026
Last change+2vs previous saved observation
Saved market days3Oct 16, 2026 onwards
Daily open interest Hover a point for its date and OI
GBX $27.50 put open interest history 3 saved observations from 2026-10-16 to 2026-10-23. Exact values and changes are listed in the table below. 210 2026-10-16: 0 OI2026-10-20: 0 OI2026-10-23: 2 OI Oct 16, 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, 2026Viewing2+2
Oct 20, 202600
Oct 16, 20260No prior observation