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Contract OI history

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Jan 15, 2027 EXPIRATION

AMGN $385.00 Put

AMGN270115P00385000

Latest saved OI263Oct 23, 2026
Last change+4vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
AMGN $385.00 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. 2631310 2026-10-09: 123 OI2026-10-13: 211 OI2026-10-14: 211 OI2026-10-15: 242 OI2026-10-16: 259 OI2026-10-21: 259 OI2026-10-23: 263 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, 2026Viewing263+4
Oct 21, 20262590
Oct 16, 2026259+17
Oct 15, 2026242+31
Oct 14, 20262110
Oct 13, 2026211+88
Oct 09, 2026123No prior observation