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Contract OI history

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Jan 15, 2027 EXPIRATION

KOPN $3.50 Put

KOPN270115P00003500

Latest saved OI422Oct 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 $3.50 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. 4282140 2026-10-09: 421 OI2026-10-13: 426 OI2026-10-14: 428 OI2026-10-16: 428 OI2026-10-20: 422 OI2026-10-23: 422 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, 2026Viewing4220
Oct 20, 2026422-6
Oct 16, 20264280
Oct 14, 2026428+2
Oct 13, 2026426+5
Oct 09, 2026421No prior observation