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Contract OI history

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Nov 20, 2026 EXPIRATION

CLSK $8.00 Put

CLSK261120P00008000

Latest saved OI857Oct 23, 2026
Last change+26vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
CLSK $8.00 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. 9564780 2026-10-09: 189 OI2026-10-13: 564 OI2026-10-14: 564 OI2026-10-15: 828 OI2026-10-16: 956 OI2026-10-21: 831 OI2026-10-23: 857 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, 2026Viewing857+26
Oct 21, 2026831-125
Oct 16, 2026956+128
Oct 15, 2026828+264
Oct 14, 20265640
Oct 13, 2026564+375
Oct 09, 2026189No prior observation