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Contract OI history

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Jan 21, 2028 EXPIRATION

GTLB $35.00 Call

GTLB280121C00035000

Latest saved OI1,679Oct 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 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. 1,6808400 2026-10-09: 1,680 OI2026-10-13: 1,680 OI2026-10-14: 1,680 OI2026-10-15: 1,679 OI2026-10-16: 1,679 OI2026-10-21: 1,679 OI2026-10-23: 1,679 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, 2026Viewing1,6790
Oct 21, 20261,6790
Oct 16, 20261,6790
Oct 15, 20261,679-1
Oct 14, 20261,6800
Oct 13, 20261,6800
Oct 09, 20261,680No prior observation