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Contract OI history

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Dec 18, 2026 EXPIRATION

CLSK $12.00 Put

CLSK261218P00012000

Latest saved OI2,392Oct 23, 2026
Last change-3vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
CLSK $12.00 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. 2,3961,1980 2026-10-09: 2,391 OI2026-10-13: 2,393 OI2026-10-14: 2,393 OI2026-10-15: 2,395 OI2026-10-16: 2,396 OI2026-10-21: 2,395 OI2026-10-23: 2,392 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, 2026Viewing2,392-3
Oct 21, 20262,395-1
Oct 16, 20262,396+1
Oct 15, 20262,395+2
Oct 14, 20262,3930
Oct 13, 20262,393+2
Oct 09, 20262,391No prior observation