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Contract OI history

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Dec 18, 2026 EXPIRATION

GTLB $57.50 Call

GTLB261218C00057500

Latest saved OI838Oct 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 $57.50 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. 8384190 2026-10-09: 817 OI2026-10-13: 822 OI2026-10-14: 822 OI2026-10-15: 822 OI2026-10-16: 831 OI2026-10-21: 838 OI2026-10-23: 838 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, 2026Viewing8380
Oct 21, 2026838+7
Oct 16, 2026831+9
Oct 15, 20268220
Oct 14, 20268220
Oct 13, 2026822+5
Oct 09, 2026817No prior observation