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Contract OI history

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Jan 21, 2028 EXPIRATION

GLXY $27.50 Put

GLXY280121P00027500

Latest saved OI174Oct 23, 2026
Last change+1vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
GLXY $27.50 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. 174870 2026-10-09: 153 OI2026-10-13: 173 OI2026-10-14: 173 OI2026-10-15: 173 OI2026-10-16: 173 OI2026-10-21: 173 OI2026-10-23: 174 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, 2026174+1
Oct 21, 2026Viewing1730
Oct 16, 20261730
Oct 15, 20261730
Oct 14, 20261730
Oct 13, 2026173+20
Oct 09, 2026153No prior observation