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Contract OI history

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Jan 15, 2027 EXPIRATION

AMGN $375.00 Put

AMGN270115P00375000

Latest saved OI217Oct 23, 2026
Last change+48vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
AMGN $375.00 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. 2171080 2026-10-09: 116 OI2026-10-13: 115 OI2026-10-14: 115 OI2026-10-15: 115 OI2026-10-16: 169 OI2026-10-21: 169 OI2026-10-23: 217 OI Oct 09, 2026Oct 23, 2026

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

AMGN contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing217+48
Oct 21, 20261690
Oct 16, 2026169+54
Oct 15, 20261150
Oct 14, 20261150
Oct 13, 2026115-1
Oct 09, 2026116No prior observation