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Contract OI history

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Dec 18, 2026 EXPIRATION

GTLB $47.50 Put

GTLB261218P00047500

Latest saved OI275Oct 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 $47.50 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. 2751370 2026-10-09: 109 OI2026-10-13: 109 OI2026-10-14: 109 OI2026-10-15: 275 OI2026-10-16: 275 OI2026-10-21: 275 OI2026-10-23: 275 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, 2026Viewing2750
Oct 21, 20262750
Oct 16, 20262750
Oct 15, 2026275+166
Oct 14, 20261090
Oct 13, 20261090
Oct 09, 2026109No prior observation