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Contract OI history

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Mar 19, 2027 EXPIRATION

AMGN $380.00 Put

AMGN270319P00380000

Latest saved OI1,216Oct 23, 2026
Last change-5vs 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. 1,2216100 2026-10-09: 1,172 OI2026-10-13: 1,172 OI2026-10-14: 1,172 OI2026-10-15: 1,172 OI2026-10-16: 1,172 OI2026-10-21: 1,221 OI2026-10-23: 1,216 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, 2026Viewing1,216-5
Oct 21, 20261,221+49
Oct 16, 20261,1720
Oct 15, 20261,1720
Oct 14, 20261,1720
Oct 13, 20261,1720
Oct 09, 20261,172No prior observation