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Contract OI history

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Nov 20, 2026 EXPIRATION

CLSK $15.00 Put

CLSK261120P00015000

Latest saved OI599Oct 23, 2026
Last change-29vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
CLSK $15.00 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. 6283140 2026-10-09: 299 OI2026-10-13: 299 OI2026-10-14: 299 OI2026-10-15: 294 OI2026-10-16: 291 OI2026-10-21: 628 OI2026-10-23: 599 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, 2026Viewing599-29
Oct 21, 2026628+337
Oct 16, 2026291-3
Oct 15, 2026294-5
Oct 14, 20262990
Oct 13, 20262990
Oct 09, 2026299No prior observation