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Contract OI history

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Oct 30, 2026 EXPIRATION

CLSK $12.50 Put

CLSK261030P00012500

Latest saved OI15Oct 23, 2026
Last change-116vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
CLSK $12.50 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. 172860 2026-10-09: 152 OI2026-10-13: 172 OI2026-10-14: 172 OI2026-10-15: 171 OI2026-10-16: 165 OI2026-10-21: 131 OI2026-10-23: 15 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, 2026Viewing15-116
Oct 21, 2026131-34
Oct 16, 2026165-6
Oct 15, 2026171-1
Oct 14, 20261720
Oct 13, 2026172+20
Oct 09, 2026152No prior observation