OITracker Cboe delayed data

Contract OI history

Back to GSK

Jan 15, 2027 EXPIRATION

GSK $38.00 Call

GSK270115C00038000

Latest saved OI416Oct 23, 2026
Last change-5vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
GSK $38.00 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. 4232110 2026-10-02: 423 OI2026-10-05: 423 OI2026-10-06: 423 OI2026-10-07: 423 OI2026-10-09: 423 OI2026-10-13: 423 OI2026-10-14: 423 OI2026-10-15: 423 OI2026-10-16: 421 OI2026-10-21: 421 OI2026-10-23: 416 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, 2026Viewing416-5
Oct 21, 20264210
Oct 16, 2026421-2
Oct 15, 20264230
Oct 14, 20264230
Oct 13, 20264230
Oct 09, 20264230
Oct 07, 20264230
Oct 06, 20264230
Oct 05, 20264230
Oct 02, 2026423No prior observation