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Contract OI history

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Mar 19, 2027 EXPIRATION

AMKR $40.00 Put

AMKR270319P00040000

Latest saved OI1,521Oct 23, 2026
Last change+2vs 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. 1,5217600 2026-10-09: 1,460 OI2026-10-13: 1,474 OI2026-10-14: 1,474 OI2026-10-15: 1,487 OI2026-10-16: 1,495 OI2026-10-21: 1,519 OI2026-10-23: 1,521 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, 2026Viewing1,521+2
Oct 21, 20261,519+24
Oct 16, 20261,495+8
Oct 15, 20261,487+13
Oct 14, 20261,4740
Oct 13, 20261,474+14
Oct 09, 20261,460No prior observation