OITracker Cboe delayed data

Contract OI history

Back to CLSK

Dec 18, 2026 EXPIRATION

CLSK $8.00 Put

CLSK261218P00008000

Latest saved OI2,287Oct 23, 2026
Last change+82vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
CLSK $8.00 put open interest history 7 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 2,2871,1430 2026-10-09: 1,910 OI2026-10-13: 1,923 OI2026-10-14: 1,923 OI2026-10-15: 2,050 OI2026-10-16: 2,048 OI2026-10-21: 2,205 OI2026-10-23: 2,287 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, 2026Viewing2,287+82
Oct 21, 20262,205+157
Oct 16, 20262,048-2
Oct 15, 20262,050+127
Oct 14, 20261,9230
Oct 13, 20261,923+13
Oct 09, 20261,910No prior observation