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Contract OI history

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Nov 20, 2026 EXPIRATION

CLSK $16.00 Put

CLSK261120P00016000

Latest saved OI29Oct 23, 2026
Last change-9vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
CLSK $16.00 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. 118590 2026-10-09: 118 OI2026-10-13: 118 OI2026-10-14: 118 OI2026-10-15: 118 OI2026-10-16: 100 OI2026-10-21: 38 OI2026-10-23: 29 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, 2026Viewing29-9
Oct 21, 202638-62
Oct 16, 2026100-18
Oct 15, 20261180
Oct 14, 20261180
Oct 13, 20261180
Oct 09, 2026118No prior observation