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Contract OI history

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Nov 20, 2026 EXPIRATION

QGEN $45.00 Put

QGEN261120P00045000

Latest saved OI2,513Oct 23, 2026
Last change+435vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
QGEN $45.00 put open interest history 11 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 2,5131,2560 2026-10-02: 405 OI2026-10-05: 405 OI2026-10-06: 405 OI2026-10-07: 405 OI2026-10-08: 405 OI2026-10-09: 405 OI2026-10-13: 405 OI2026-10-15: 405 OI2026-10-16: 425 OI2026-10-21: 2,078 OI2026-10-23: 2,513 OI Oct 02, 2026Oct 23, 2026

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

QGEN contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing2,513+435
Oct 21, 20262,078+1,653
Oct 16, 2026425+20
Oct 15, 20264050
Oct 13, 20264050
Oct 09, 20264050
Oct 08, 20264050
Oct 07, 20264050
Oct 06, 20264050
Oct 05, 20264050
Oct 02, 2026405No prior observation