OITracker Cboe delayed data

Contract OI history

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Jan 15, 2027 EXPIRATION

GTLB $30.00 Call

GTLB270115C00030000

Latest saved OI1,048Oct 23, 2026
Last change-99vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
GTLB $30.00 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. 1,1985990 2026-10-09: 1,198 OI2026-10-13: 1,146 OI2026-10-14: 1,146 OI2026-10-15: 1,147 OI2026-10-16: 1,147 OI2026-10-21: 1,147 OI2026-10-23: 1,048 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, 2026Viewing1,048-99
Oct 21, 20261,1470
Oct 16, 20261,1470
Oct 15, 20261,147+1
Oct 14, 20261,1460
Oct 13, 20261,146-52
Oct 09, 20261,198No prior observation