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Contract OI history

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Nov 20, 2026 EXPIRATION

GLPI $40.00 Put

GLPI261120P00040000

Latest saved OI51Oct 23, 2026
Last change0vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
GLPI $40.00 put open interest history 7 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 56280 2026-10-09: 44 OI2026-10-13: 44 OI2026-10-14: 44 OI2026-10-15: 55 OI2026-10-16: 56 OI2026-10-21: 51 OI2026-10-23: 51 OI Oct 09, 2026Oct 23, 2026

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

GLPI contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing510
Oct 21, 202651-5
Oct 16, 202656+1
Oct 15, 202655+11
Oct 14, 2026440
Oct 13, 2026440
Oct 09, 202644No prior observation