OITracker Cboe delayed data

Contract OI history

Back to CLSK

Dec 18, 2026 EXPIRATION

CLSK $9.00 Call

CLSK261218C00009000

Latest saved OI1,804Oct 23, 2026
Last change+369vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
CLSK $9.00 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. 1,8049020 2026-10-09: 236 OI2026-10-13: 276 OI2026-10-14: 276 OI2026-10-15: 357 OI2026-10-16: 391 OI2026-10-21: 1,435 OI2026-10-23: 1,804 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, 2026Viewing1,804+369
Oct 21, 20261,435+1,044
Oct 16, 2026391+34
Oct 15, 2026357+81
Oct 14, 20262760
Oct 13, 2026276+40
Oct 09, 2026236No prior observation