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Contract OI history

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Nov 20, 2026 EXPIRATION

GSL $40.00 Put

GSL261120P00040000

Latest saved OI130Oct 23, 2026
Last change+10vs 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. 130650 2026-10-02: 10 OI2026-10-06: 10 OI2026-10-07: 10 OI2026-10-08: 13 OI2026-10-09: 13 OI2026-10-13: 13 OI2026-10-14: 13 OI2026-10-16: 66 OI2026-10-20: 120 OI2026-10-23: 130 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, 2026Viewing130+10
Oct 20, 2026120+54
Oct 16, 202666+53
Oct 14, 2026130
Oct 13, 2026130
Oct 09, 2026130
Oct 08, 202613+3
Oct 07, 2026100
Oct 06, 2026100
Oct 02, 202610No prior observation