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Contract OI history

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Nov 20, 2026 EXPIRATION

GTLB $55.00 Call

GTLB261120C00055000

Latest saved OI578Oct 23, 2026
Last change+10vs 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. 5782890 2026-10-09: 549 OI2026-10-13: 528 OI2026-10-14: 528 OI2026-10-15: 533 OI2026-10-16: 532 OI2026-10-21: 568 OI2026-10-23: 578 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, 2026Viewing578+10
Oct 21, 2026568+36
Oct 16, 2026532-1
Oct 15, 2026533+5
Oct 14, 20265280
Oct 13, 2026528-21
Oct 09, 2026549No prior observation