OITracker Cboe delayed data

Contract OI history

Back to CLSK

Jan 21, 2028 EXPIRATION

CLSK $27.00 Call

CLSK280121C00027000

Latest saved OI4,251Oct 23, 2026
Last change-5vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
CLSK $27.00 call open interest history 7 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 4,2682,1340 2026-10-09: 4,268 OI2026-10-13: 4,266 OI2026-10-14: 4,266 OI2026-10-15: 4,261 OI2026-10-16: 4,259 OI2026-10-21: 4,256 OI2026-10-23: 4,251 OI Oct 09, 2026Oct 23, 2026

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

CLSK contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing4,251-5
Oct 21, 20264,256-3
Oct 16, 20264,259-2
Oct 15, 20264,261-5
Oct 14, 20264,2660
Oct 13, 20264,266-2
Oct 09, 20264,268No prior observation