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Contract OI history

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Nov 20, 2026 EXPIRATION

GLXY $17.50 Put

GLXY261120P00017500

Latest saved OI898Oct 23, 2026
Last change+6vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
GLXY $17.50 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. 8984490 2026-10-09: 678 OI2026-10-13: 725 OI2026-10-14: 725 OI2026-10-15: 728 OI2026-10-16: 790 OI2026-10-21: 892 OI2026-10-23: 898 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, 2026898+6
Oct 21, 2026Viewing892+102
Oct 16, 2026790+62
Oct 15, 2026728+3
Oct 14, 20267250
Oct 13, 2026725+47
Oct 09, 2026678No prior observation