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Contract OI history

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Dec 15, 2028 EXPIRATION

CLSK $8.00 Put

CLSK281215P00008000

Latest saved OI273Oct 23, 2026
Last change0vs 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. 2731360 2026-10-09: 188 OI2026-10-13: 188 OI2026-10-14: 188 OI2026-10-15: 211 OI2026-10-16: 241 OI2026-10-21: 273 OI2026-10-23: 273 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, 2026Viewing2730
Oct 21, 2026273+32
Oct 16, 2026241+30
Oct 15, 2026211+23
Oct 14, 20261880
Oct 13, 20261880
Oct 09, 2026188No prior observation