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Contract OI history

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Jan 15, 2027 EXPIRATION

GTLB $35.00 Put

GTLB270115P00035000

Latest saved OI3,717Oct 23, 2026
Last change0vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
GTLB $35.00 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. 3,7341,8670 2026-10-09: 3,734 OI2026-10-13: 3,719 OI2026-10-14: 3,719 OI2026-10-15: 3,719 OI2026-10-16: 3,715 OI2026-10-21: 3,717 OI2026-10-23: 3,717 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, 2026Viewing3,7170
Oct 21, 20263,717+2
Oct 16, 20263,715-4
Oct 15, 20263,7190
Oct 14, 20263,7190
Oct 13, 20263,719-15
Oct 09, 20263,734No prior observation