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Contract OI history

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May 21, 2027 EXPIRATION

GSK $50.00 Call

GSK270521C00050000

Latest saved OI134Oct 23, 2026
Last change0vs 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. 134670 2026-10-02: 40 OI2026-10-05: 45 OI2026-10-06: 45 OI2026-10-07: 45 OI2026-10-09: 46 OI2026-10-13: 46 OI2026-10-14: 46 OI2026-10-15: 47 OI2026-10-16: 47 OI2026-10-21: 134 OI2026-10-23: 134 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, 2026Viewing1340
Oct 21, 2026134+87
Oct 16, 2026470
Oct 15, 202647+1
Oct 14, 2026460
Oct 13, 2026460
Oct 09, 202646+1
Oct 07, 2026450
Oct 06, 2026450
Oct 05, 202645+5
Oct 02, 202640No prior observation