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Contract OI history

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Jan 21, 2028 EXPIRATION

CLSK $35.00 Put

CLSK280121P00035000

Latest saved OI3,362Oct 23, 2026
Last change-59vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
CLSK $35.00 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. 3,4211,7100 2026-10-09: 3,421 OI2026-10-13: 3,421 OI2026-10-14: 3,421 OI2026-10-15: 3,421 OI2026-10-16: 3,421 OI2026-10-21: 3,421 OI2026-10-23: 3,362 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, 2026Viewing3,362-59
Oct 21, 20263,4210
Oct 16, 20263,4210
Oct 15, 20263,4210
Oct 14, 20263,4210
Oct 13, 20263,4210
Oct 09, 20263,421No prior observation