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Contract OI history

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Oct 23, 2026 EXPIRATION

GLXY $18.50 Put

GLXY261023P00018500

Latest saved OI26Oct 23, 2026
Last change-185vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
GLXY $18.50 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. 2111050 2026-10-09: 55 OI2026-10-13: 81 OI2026-10-14: 81 OI2026-10-15: 101 OI2026-10-16: 101 OI2026-10-21: 211 OI2026-10-23: 26 OI Oct 09, 2026Oct 23, 2026

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

GLXY contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 202626-185
Oct 21, 2026Viewing211+110
Oct 16, 20261010
Oct 15, 2026101+20
Oct 14, 2026810
Oct 13, 202681+26
Oct 09, 202655No prior observation