OITracker Cboe delayed data

Contract OI history

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Jan 15, 2027 EXPIRATION

KOPN $4.00 Call

KOPN270115C00004000

Latest saved OI1,625Oct 23, 2026
Last change-1vs previous saved observation
Saved market days6Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
KOPN $4.00 call open interest history 6 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 1,6268130 2026-10-09: 1,617 OI2026-10-13: 1,622 OI2026-10-14: 1,622 OI2026-10-16: 1,619 OI2026-10-20: 1,626 OI2026-10-23: 1,625 OI Oct 09, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

KOPN contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing1,625-1
Oct 20, 20261,626+7
Oct 16, 20261,619-3
Oct 14, 20261,6220
Oct 13, 20261,622+5
Oct 09, 20261,617No prior observation