OITracker Cboe delayed data

Contract OI history

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Jan 15, 2027 EXPIRATION

KOPN $4.00 Put

KOPN270115P00004000

Latest saved OI2,105Oct 23, 2026
Last change+40vs previous saved observation
Saved market days6Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
KOPN $4.00 put open interest history 6 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 2,1051,0520 2026-10-09: 2,055 OI2026-10-13: 2,055 OI2026-10-14: 2,055 OI2026-10-16: 2,055 OI2026-10-20: 2,065 OI2026-10-23: 2,105 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, 2026Viewing2,105+40
Oct 20, 20262,065+10
Oct 16, 20262,0550
Oct 14, 20262,0550
Oct 13, 20262,0550
Oct 09, 20262,055No prior observation