OITracker Cboe delayed data

Contract OI history

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Mar 19, 2027 EXPIRATION

CLSK $10.00 Put

CLSK270319P00010000

Latest saved OI2,501Oct 23, 2026
Last change+2vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
CLSK $10.00 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. 2,5011,2500 2026-10-09: 154 OI2026-10-13: 2,465 OI2026-10-14: 2,465 OI2026-10-15: 2,491 OI2026-10-16: 2,499 OI2026-10-21: 2,499 OI2026-10-23: 2,501 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, 2026Viewing2,501+2
Oct 21, 20262,4990
Oct 16, 20262,499+8
Oct 15, 20262,491+26
Oct 14, 20262,4650
Oct 13, 20262,465+2,311
Oct 09, 2026154No prior observation