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Contract OI history

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Nov 06, 2026 EXPIRATION

CLSK $13.50 Call

CLSK261106C00013500

Latest saved OI2,177Oct 23, 2026
Last change+34vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
CLSK $13.50 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. 2,1771,0880 2026-10-09: 156 OI2026-10-13: 264 OI2026-10-14: 264 OI2026-10-15: 235 OI2026-10-16: 2,143 OI2026-10-21: 2,143 OI2026-10-23: 2,177 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, 2026Viewing2,177+34
Oct 21, 20262,1430
Oct 16, 20262,143+1,908
Oct 15, 2026235-29
Oct 14, 20262640
Oct 13, 2026264+108
Oct 09, 2026156No prior observation