OITracker Cboe delayed data

Contract OI history

Back to CLSK

Nov 20, 2026 EXPIRATION

CLSK $11.00 Put

CLSK261120P00011000

Latest saved OI2,054Oct 23, 2026
Last change-14vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
CLSK $11.00 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. 2,1171,0580 2026-10-09: 1,965 OI2026-10-13: 2,117 OI2026-10-14: 2,117 OI2026-10-15: 2,006 OI2026-10-16: 2,076 OI2026-10-21: 2,068 OI2026-10-23: 2,054 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, 2026Viewing2,054-14
Oct 21, 20262,068-8
Oct 16, 20262,076+70
Oct 15, 20262,006-111
Oct 14, 20262,1170
Oct 13, 20262,117+152
Oct 09, 20261,965No prior observation