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Contract OI history

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Jan 15, 2027 EXPIRATION

GTLB $72.50 Call

GTLB270115C00072500

Latest saved OI754Oct 23, 2026
Last change+5vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
GTLB $72.50 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. 7543770 2026-10-09: 752 OI2026-10-13: 749 OI2026-10-14: 749 OI2026-10-15: 749 OI2026-10-16: 749 OI2026-10-21: 749 OI2026-10-23: 754 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, 2026Viewing754+5
Oct 21, 20267490
Oct 16, 20267490
Oct 15, 20267490
Oct 14, 20267490
Oct 13, 2026749-3
Oct 09, 2026752No prior observation