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Contract OI history

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Nov 20, 2026 EXPIRATION

GSK $50.00 Call

GSK261120C00050000

Latest saved OI1,847Oct 23, 2026
Last change+209vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
GSK $50.00 call open interest history 11 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 1,8479230 2026-10-02: 921 OI2026-10-05: 938 OI2026-10-06: 937 OI2026-10-07: 958 OI2026-10-09: 995 OI2026-10-13: 1,010 OI2026-10-14: 1,010 OI2026-10-15: 1,042 OI2026-10-16: 1,041 OI2026-10-21: 1,638 OI2026-10-23: 1,847 OI Oct 02, 2026Oct 23, 2026

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

GSK contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing1,847+209
Oct 21, 20261,638+597
Oct 16, 20261,041-1
Oct 15, 20261,042+32
Oct 14, 20261,0100
Oct 13, 20261,010+15
Oct 09, 2026995+37
Oct 07, 2026958+21
Oct 06, 2026937-1
Oct 05, 2026938+17
Oct 02, 2026921No prior observation