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Contract OI history

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Apr 16, 2027 EXPIRATION

AMGN $380.00 Put

AMGN270416P00380000

Latest saved OI339Oct 23, 2026
Last change-1vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
AMGN $380.00 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. 3501750 2026-10-09: 313 OI2026-10-13: 350 OI2026-10-14: 350 OI2026-10-15: 350 OI2026-10-16: 341 OI2026-10-21: 340 OI2026-10-23: 339 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, 2026Viewing339-1
Oct 21, 2026340-1
Oct 16, 2026341-9
Oct 15, 20263500
Oct 14, 20263500
Oct 13, 2026350+37
Oct 09, 2026313No prior observation