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Contract OI history

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Jan 15, 2027 EXPIRATION

AMGN $390.00 Put

AMGN270115P00390000

Latest saved OI424Oct 23, 2026
Last change+24vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
AMGN $390.00 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. 4242120 2026-10-09: 342 OI2026-10-13: 343 OI2026-10-14: 343 OI2026-10-15: 344 OI2026-10-16: 349 OI2026-10-21: 400 OI2026-10-23: 424 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, 2026Viewing424+24
Oct 21, 2026400+51
Oct 16, 2026349+5
Oct 15, 2026344+1
Oct 14, 20263430
Oct 13, 2026343+1
Oct 09, 2026342No prior observation