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Contract OI history

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Oct 23, 2026 EXPIRATION

CLSK $8.50 Put

CLSK261023P00008500

Latest saved OI2,970Oct 23, 2026
Last change-19vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
CLSK $8.50 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. 2,9891,4940 2026-10-09: 6 OI2026-10-13: 8 OI2026-10-14: 8 OI2026-10-15: 53 OI2026-10-16: 80 OI2026-10-21: 2,989 OI2026-10-23: 2,970 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, 2026Viewing2,970-19
Oct 21, 20262,989+2,909
Oct 16, 202680+27
Oct 15, 202653+45
Oct 14, 202680
Oct 13, 20268+2
Oct 09, 20266No prior observation