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Contract OI history

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Jan 15, 2027 EXPIRATION

CLSK $16.00 Put

CLSK270115P00016000

Latest saved OI489Oct 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 $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. 4892440 2026-10-09: 463 OI2026-10-13: 463 OI2026-10-14: 463 OI2026-10-15: 474 OI2026-10-16: 474 OI2026-10-21: 473 OI2026-10-23: 489 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, 2026Viewing489+16
Oct 21, 2026473-1
Oct 16, 20264740
Oct 15, 2026474+11
Oct 14, 20264630
Oct 13, 20264630
Oct 09, 2026463No prior observation