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Contract OI history

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Nov 20, 2026 EXPIRATION

GPN $55.00 Put

GPN261120P00055000

Latest saved OI1,122Oct 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. 1,1225610 2026-10-02: 241 OI2026-10-05: 241 OI2026-10-06: 241 OI2026-10-07: 241 OI2026-10-08: 241 OI2026-10-09: 1,122 OI2026-10-13: 1,122 OI2026-10-14: 1,122 OI2026-10-15: 1,122 OI2026-10-16: 1,122 OI2026-10-21: 1,122 OI2026-10-23: 1,122 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, 20261,1220
Oct 21, 2026Viewing1,1220
Oct 16, 20261,1220
Oct 15, 20261,1220
Oct 14, 20261,1220
Oct 13, 20261,1220
Oct 09, 20261,122+881
Oct 08, 20262410
Oct 07, 20262410
Oct 06, 20262410
Oct 05, 20262410
Oct 02, 2026241No prior observation