OITracker Cboe delayed data

Contract OI history

Back to COSM

Apr 16, 2027 EXPIRATION

COSM $2.00 Call

COSM270416C00002000

Latest saved OI181Oct 23, 2026
Last change+131vs previous saved observation
Saved market days6Oct 08, 2026 onwards
Daily open interest Hover a point for its date and OI
COSM $2.00 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. 181900 2026-10-08: 47 OI2026-10-13: 50 OI2026-10-14: 50 OI2026-10-16: 50 OI2026-10-20: 50 OI2026-10-23: 181 OI Oct 08, 2026Oct 23, 2026

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

COSM contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing181+131
Oct 20, 2026500
Oct 16, 2026500
Oct 14, 2026500
Oct 13, 202650+3
Oct 08, 202647No prior observation