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Contract OI history

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Dec 18, 2026 EXPIRATION

GPN $72.50 Put

GPN261218P00072500

Latest saved OI101Oct 23, 2026
Last change0vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
GPN $72.50 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. 101500 2026-10-02: 88 OI2026-10-05: 88 OI2026-10-06: 88 OI2026-10-07: 88 OI2026-10-08: 88 OI2026-10-09: 97 OI2026-10-13: 97 OI2026-10-14: 97 OI2026-10-15: 97 OI2026-10-16: 97 OI2026-10-21: 101 OI2026-10-23: 101 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, 20261010
Oct 21, 2026Viewing101+4
Oct 16, 2026970
Oct 15, 2026970
Oct 14, 2026970
Oct 13, 2026970
Oct 09, 202697+9
Oct 08, 2026880
Oct 07, 2026880
Oct 06, 2026880
Oct 05, 2026880
Oct 02, 202688No prior observation