OITracker Cboe delayed data

Contract OI history

Back to GCT

Jan 15, 2027 EXPIRATION

GCT $40.00 Call

GCT270115C00040000

Latest saved OI908Oct 23, 2026
Last change-41vs previous saved observation
Saved market days6Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
GCT $40.00 call open interest history 6 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 9774880 2026-10-09: 977 OI2026-10-13: 962 OI2026-10-14: 962 OI2026-10-16: 958 OI2026-10-20: 949 OI2026-10-23: 908 OI Oct 09, 2026Oct 23, 2026

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

GCT contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing908-41
Oct 20, 2026949-9
Oct 16, 2026958-4
Oct 14, 20269620
Oct 13, 2026962-15
Oct 09, 2026977No prior observation