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Contract OI history

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Dec 18, 2026 EXPIRATION

AMKR $40.00 Put

AMKR261218P00040000

Latest saved OI3,589Oct 23, 2026
Last change+65vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
AMKR $40.00 put open interest history 7 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 3,5891,7940 2026-10-09: 3,497 OI2026-10-13: 3,547 OI2026-10-14: 3,547 OI2026-10-15: 3,533 OI2026-10-16: 3,575 OI2026-10-21: 3,524 OI2026-10-23: 3,589 OI Oct 09, 2026Oct 23, 2026

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

AMKR contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing3,589+65
Oct 21, 20263,524-51
Oct 16, 20263,575+42
Oct 15, 20263,533-14
Oct 14, 20263,5470
Oct 13, 20263,547+50
Oct 09, 20263,497No prior observation