OITracker Cboe delayed data

Contract OI history

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Jan 15, 2027 EXPIRATION

GSK $50.00 Call

GSK270115C00050000

Latest saved OI2,331Oct 23, 2026
Last change+41vs 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. 2,3311,1650 2026-10-02: 1,351 OI2026-10-05: 1,346 OI2026-10-06: 1,298 OI2026-10-07: 1,357 OI2026-10-09: 1,465 OI2026-10-13: 1,581 OI2026-10-14: 1,581 OI2026-10-15: 1,756 OI2026-10-16: 1,755 OI2026-10-21: 2,290 OI2026-10-23: 2,331 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, 2026Viewing2,331+41
Oct 21, 20262,290+535
Oct 16, 20261,755-1
Oct 15, 20261,756+175
Oct 14, 20261,5810
Oct 13, 20261,581+116
Oct 09, 20261,465+108
Oct 07, 20261,357+59
Oct 06, 20261,298-48
Oct 05, 20261,346-5
Oct 02, 20261,351No prior observation