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Contract OI history

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Nov 06, 2026 EXPIRATION

CLSK $8.50 Put

CLSK261106P00008500

Latest saved OI2,042Oct 23, 2026
Last change+16vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
CLSK $8.50 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. 2,0421,0210 2026-10-09: 3 OI2026-10-13: 6 OI2026-10-14: 6 OI2026-10-15: 1,241 OI2026-10-16: 1,241 OI2026-10-21: 2,026 OI2026-10-23: 2,042 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, 2026Viewing2,042+16
Oct 21, 20262,026+785
Oct 16, 20261,2410
Oct 15, 20261,241+1,235
Oct 14, 202660
Oct 13, 20266+3
Oct 09, 20263No prior observation