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Contract OI history

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Jan 15, 2027 EXPIRATION

GPN $55.00 Put

GPN270115P00055000

Latest saved OI218Oct 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 $55.00 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. 2201100 2026-10-02: 216 OI2026-10-05: 216 OI2026-10-06: 216 OI2026-10-07: 216 OI2026-10-08: 216 OI2026-10-09: 220 OI2026-10-13: 220 OI2026-10-14: 220 OI2026-10-15: 218 OI2026-10-16: 218 OI2026-10-21: 218 OI2026-10-23: 218 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, 20262180
Oct 21, 2026Viewing2180
Oct 16, 20262180
Oct 15, 2026218-2
Oct 14, 20262200
Oct 13, 20262200
Oct 09, 2026220+4
Oct 08, 20262160
Oct 07, 20262160
Oct 06, 20262160
Oct 05, 20262160
Oct 02, 2026216No prior observation