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Contract OI history

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Nov 06, 2026 EXPIRATION

CLSK $13.50 Put

CLSK261106P00013500

Latest saved OI0Oct 23, 2026
Last change-42vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
CLSK $13.50 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. 44220 2026-10-09: 41 OI2026-10-13: 41 OI2026-10-14: 41 OI2026-10-15: 44 OI2026-10-16: 44 OI2026-10-21: 42 OI2026-10-23: 0 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, 2026Viewing0-42
Oct 21, 202642-2
Oct 16, 2026440
Oct 15, 202644+3
Oct 14, 2026410
Oct 13, 2026410
Oct 09, 202641No prior observation