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Contract OI history

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Nov 20, 2026 EXPIRATION

GPN $77.50 Put

GPN261120P00077500

Latest saved OI95Oct 23, 2026
Last change+7vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
GPN $77.50 put open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 95470 2026-10-02: 37 OI2026-10-05: 37 OI2026-10-06: 37 OI2026-10-07: 38 OI2026-10-08: 39 OI2026-10-09: 60 OI2026-10-13: 60 OI2026-10-14: 58 OI2026-10-15: 59 OI2026-10-16: 63 OI2026-10-21: 88 OI2026-10-23: 95 OI Oct 02, 2026Oct 23, 2026

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

GPN contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 202695+7
Oct 21, 2026Viewing88+25
Oct 16, 202663+4
Oct 15, 202659+1
Oct 14, 202658-2
Oct 13, 2026600
Oct 09, 202660+21
Oct 08, 202639+1
Oct 07, 202638+1
Oct 06, 2026370
Oct 05, 2026370
Oct 02, 202637No prior observation