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Contract OI history

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Oct 30, 2026 EXPIRATION

CLSK $11.50 Put

CLSK261030P00011500

Latest saved OI196Oct 23, 2026
Last change-42vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
CLSK $11.50 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. 2731360 2026-10-09: 192 OI2026-10-13: 273 OI2026-10-14: 273 OI2026-10-15: 244 OI2026-10-16: 246 OI2026-10-21: 238 OI2026-10-23: 196 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, 2026Viewing196-42
Oct 21, 2026238-8
Oct 16, 2026246+2
Oct 15, 2026244-29
Oct 14, 20262730
Oct 13, 2026273+81
Oct 09, 2026192No prior observation