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Contract OI history

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Mar 19, 2027 EXPIRATION

GSL $40.00 Put

GSL270319P00040000

Latest saved OI82Oct 23, 2026
Last change-1vs previous saved observation
Saved market days10Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
GSL $40.00 put open interest history 10 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 83410 2026-10-02: 68 OI2026-10-06: 70 OI2026-10-07: 70 OI2026-10-08: 70 OI2026-10-09: 70 OI2026-10-13: 68 OI2026-10-14: 69 OI2026-10-16: 83 OI2026-10-20: 83 OI2026-10-23: 82 OI Oct 02, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

GSL contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing82-1
Oct 20, 2026830
Oct 16, 202683+14
Oct 14, 202669+1
Oct 13, 202668-2
Oct 09, 2026700
Oct 08, 2026700
Oct 07, 2026700
Oct 06, 202670+2
Oct 02, 202668No prior observation