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Contract OI history

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Jan 15, 2027 EXPIRATION

CLSK $21.00 Call

CLSK270115C00021000

Latest saved OI941Oct 23, 2026
Last change0vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
CLSK $21.00 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. 9414700 2026-10-09: 855 OI2026-10-13: 861 OI2026-10-14: 861 OI2026-10-15: 861 OI2026-10-16: 861 OI2026-10-21: 941 OI2026-10-23: 941 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, 2026Viewing9410
Oct 21, 2026941+80
Oct 16, 20268610
Oct 15, 20268610
Oct 14, 20268610
Oct 13, 2026861+6
Oct 09, 2026855No prior observation