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Contract OI history

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Dec 18, 2026 EXPIRATION

CLSK $9.00 Put

CLSK261218P00009000

Latest saved OI6,898Oct 23, 2026
Last change+2,727vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
CLSK $9.00 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. 6,8983,4490 2026-10-09: 3,887 OI2026-10-13: 3,939 OI2026-10-14: 3,939 OI2026-10-15: 3,970 OI2026-10-16: 4,015 OI2026-10-21: 4,171 OI2026-10-23: 6,898 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, 2026Viewing6,898+2,727
Oct 21, 20264,171+156
Oct 16, 20264,015+45
Oct 15, 20263,970+31
Oct 14, 20263,9390
Oct 13, 20263,939+52
Oct 09, 20263,887No prior observation