OITracker Cboe delayed data

Contract OI history

Back to GO

Jan 15, 2027 EXPIRATION

GO $17.50 Call

GO270115C00017500

Latest saved OI203Oct 23, 2026
Last change0vs previous saved observation
Saved market days6Oct 08, 2026 onwards
Daily open interest Hover a point for its date and OI
GO $17.50 call open interest history 6 saved observations from 2026-10-08 to 2026-10-23. Exact values and changes are listed in the table below. 2031010 2026-10-08: 148 OI2026-10-13: 148 OI2026-10-15: 149 OI2026-10-16: 149 OI2026-10-21: 203 OI2026-10-23: 203 OI Oct 08, 2026Oct 23, 2026

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

GO contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing2030
Oct 21, 2026203+54
Oct 16, 20261490
Oct 15, 2026149+1
Oct 13, 20261480
Oct 08, 2026148No prior observation