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Contract OI history

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Nov 20, 2026 EXPIRATION

GALT $2.50 Put

GALT261120P00002500

Latest saved OI101Oct 23, 2026
Last change0vs previous saved observation
Saved market days7Oct 08, 2026 onwards
Daily open interest Hover a point for its date and OI
GALT $2.50 put open interest history 7 saved observations from 2026-10-08 to 2026-10-23. Exact values and changes are listed in the table below. 101500 2026-10-08: 0 OI2026-10-09: 0 OI2026-10-13: 100 OI2026-10-14: 100 OI2026-10-16: 100 OI2026-10-20: 101 OI2026-10-23: 101 OI Oct 08, 2026Oct 23, 2026

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

GALT contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 20261010
Oct 20, 2026Viewing101+1
Oct 16, 20261000
Oct 14, 20261000
Oct 13, 2026100+100
Oct 09, 202600
Oct 08, 20260No prior observation