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Contract OI history

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Jun 17, 2027 EXPIRATION

AMGN $440.00 Put

AMGN270617P00440000

Latest saved OI128Oct 23, 2026
Last change0vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
AMGN $440.00 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. 128640 2026-10-09: 121 OI2026-10-13: 122 OI2026-10-14: 122 OI2026-10-15: 122 OI2026-10-16: 122 OI2026-10-21: 128 OI2026-10-23: 128 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, 2026Viewing1280
Oct 21, 2026128+6
Oct 16, 20261220
Oct 15, 20261220
Oct 14, 20261220
Oct 13, 2026122+1
Oct 09, 2026121No prior observation