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Contract OI history

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Jan 21, 2028 EXPIRATION

GTLB $30.00 Put

GTLB280121P00030000

Latest saved OI1,022Oct 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 $30.00 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. 1,0235110 2026-10-09: 1,023 OI2026-10-13: 1,022 OI2026-10-14: 1,022 OI2026-10-15: 1,022 OI2026-10-16: 1,022 OI2026-10-21: 1,022 OI2026-10-23: 1,022 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, 2026Viewing1,0220
Oct 21, 20261,0220
Oct 16, 20261,0220
Oct 15, 20261,0220
Oct 14, 20261,0220
Oct 13, 20261,022-1
Oct 09, 20261,023No prior observation