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Contract OI history

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Nov 20, 2026 EXPIRATION

CLSK $18.00 Call

CLSK261120C00018000

Latest saved OI1,127Oct 23, 2026
Last change-1vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
CLSK $18.00 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. 1,3156570 2026-10-09: 1,119 OI2026-10-13: 1,315 OI2026-10-14: 1,315 OI2026-10-15: 1,278 OI2026-10-16: 1,277 OI2026-10-21: 1,128 OI2026-10-23: 1,127 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, 2026Viewing1,127-1
Oct 21, 20261,128-149
Oct 16, 20261,277-1
Oct 15, 20261,278-37
Oct 14, 20261,3150
Oct 13, 20261,315+196
Oct 09, 20261,119No prior observation