OITracker Cboe delayed data

Contract OI history

Back to CLSK

Mar 19, 2027 EXPIRATION

CLSK $20.00 Call

CLSK270319C00020000

Latest saved OI1,185Oct 23, 2026
Last change+96vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
CLSK $20.00 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. 1,1855920 2026-10-09: 516 OI2026-10-13: 690 OI2026-10-14: 690 OI2026-10-15: 863 OI2026-10-16: 950 OI2026-10-21: 1,089 OI2026-10-23: 1,185 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, 2026Viewing1,185+96
Oct 21, 20261,089+139
Oct 16, 2026950+87
Oct 15, 2026863+173
Oct 14, 20266900
Oct 13, 2026690+174
Oct 09, 2026516No prior observation