OITracker Cboe delayed data

Contract OI history

Back to GSM

Jan 15, 2027 EXPIRATION

GSM $4.00 Call

GSM270115C00004000

Latest saved OI704Oct 23, 2026
Last change0vs previous saved observation
Saved market days6Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
GSM $4.00 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. 7243620 2026-10-09: 724 OI2026-10-13: 724 OI2026-10-14: 724 OI2026-10-16: 704 OI2026-10-20: 704 OI2026-10-23: 704 OI Oct 09, 2026Oct 23, 2026

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

GSM contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing7040
Oct 20, 20267040
Oct 16, 2026704-20
Oct 14, 20267240
Oct 13, 20267240
Oct 09, 2026724No prior observation