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Contract OI history

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Jan 15, 2027 EXPIRATION

GTLB $42.50 Call

GTLB270115C00042500

Latest saved OI559Oct 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 $42.50 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. 6823410 2026-10-09: 682 OI2026-10-13: 663 OI2026-10-14: 663 OI2026-10-15: 563 OI2026-10-16: 563 OI2026-10-21: 559 OI2026-10-23: 559 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, 2026Viewing5590
Oct 21, 2026559-4
Oct 16, 20265630
Oct 15, 2026563-100
Oct 14, 20266630
Oct 13, 2026663-19
Oct 09, 2026682No prior observation