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Contract OI history

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Dec 18, 2026 EXPIRATION

GBX $35.00 Put

GBX261218P00035000

Latest saved OI107Oct 23, 2026
Last change+3vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
GBX $35.00 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. 107530 2026-10-02: 32 OI2026-10-05: 32 OI2026-10-06: 32 OI2026-10-07: 38 OI2026-10-08: 72 OI2026-10-09: 104 OI2026-10-13: 104 OI2026-10-14: 104 OI2026-10-16: 104 OI2026-10-20: 104 OI2026-10-23: 107 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, 2026Viewing107+3
Oct 20, 20261040
Oct 16, 20261040
Oct 14, 20261040
Oct 13, 20261040
Oct 09, 2026104+32
Oct 08, 202672+34
Oct 07, 202638+6
Oct 06, 2026320
Oct 05, 2026320
Oct 02, 202632No prior observation