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Contract OI history

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Mar 19, 2027 EXPIRATION

CLSK $18.00 Call

CLSK270319C00018000

Latest saved OI982Oct 23, 2026
Last change-377vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
CLSK $18.00 call open interest history 7 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 1,3846920 2026-10-09: 1,083 OI2026-10-13: 1,085 OI2026-10-14: 1,085 OI2026-10-15: 1,384 OI2026-10-16: 1,360 OI2026-10-21: 1,359 OI2026-10-23: 982 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, 2026Viewing982-377
Oct 21, 20261,359-1
Oct 16, 20261,360-24
Oct 15, 20261,384+299
Oct 14, 20261,0850
Oct 13, 20261,085+2
Oct 09, 20261,083No prior observation