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Contract OI history

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Dec 18, 2026 EXPIRATION

CLSK $13.00 Put

CLSK261218P00013000

Latest saved OI466Oct 23, 2026
Last change+3vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
CLSK $13.00 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. 4742370 2026-10-09: 474 OI2026-10-13: 466 OI2026-10-14: 466 OI2026-10-15: 467 OI2026-10-16: 462 OI2026-10-21: 463 OI2026-10-23: 466 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, 2026Viewing466+3
Oct 21, 2026463+1
Oct 16, 2026462-5
Oct 15, 2026467+1
Oct 14, 20264660
Oct 13, 2026466-8
Oct 09, 2026474No prior observation