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Contract OI history

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Jun 17, 2027 EXPIRATION

GTLB $55.00 Call

GTLB270617C00055000

Latest saved OI863Oct 23, 2026
Last change+8vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
GTLB $55.00 call open interest history 7 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 8634310 2026-10-09: 854 OI2026-10-13: 853 OI2026-10-14: 853 OI2026-10-15: 853 OI2026-10-16: 854 OI2026-10-21: 855 OI2026-10-23: 863 OI Oct 09, 2026Oct 23, 2026

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

GTLB contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing863+8
Oct 21, 2026855+1
Oct 16, 2026854+1
Oct 15, 20268530
Oct 14, 20268530
Oct 13, 2026853-1
Oct 09, 2026854No prior observation