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Contract OI history

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Oct 30, 2026 EXPIRATION

CLSK $8.50 Put

CLSK261030P00008500

Latest saved OI645Oct 23, 2026
Last change+364vs 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. 6453220 2026-10-09: 160 OI2026-10-13: 161 OI2026-10-14: 161 OI2026-10-15: 173 OI2026-10-16: 189 OI2026-10-21: 281 OI2026-10-23: 645 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, 2026Viewing645+364
Oct 21, 2026281+92
Oct 16, 2026189+16
Oct 15, 2026173+12
Oct 14, 20261610
Oct 13, 2026161+1
Oct 09, 2026160No prior observation