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Contract OI history

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Jan 15, 2027 EXPIRATION

KOPN $4.50 Put

KOPN270115P00004500

Latest saved OI129Oct 23, 2026
Last change0vs previous saved observation
Saved market days6Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
KOPN $4.50 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. 130650 2026-10-09: 130 OI2026-10-13: 130 OI2026-10-14: 130 OI2026-10-16: 129 OI2026-10-20: 129 OI2026-10-23: 129 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, 2026Viewing1290
Oct 20, 20261290
Oct 16, 2026129-1
Oct 14, 20261300
Oct 13, 20261300
Oct 09, 2026130No prior observation