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Contract OI history

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Jun 17, 2027 EXPIRATION

AMGN $280.00 Put

AMGN270617P00280000

Latest saved OI278Oct 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 $280.00 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. 2791390 2026-10-09: 275 OI2026-10-13: 275 OI2026-10-14: 275 OI2026-10-15: 275 OI2026-10-16: 275 OI2026-10-21: 279 OI2026-10-23: 278 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, 2026Viewing278-1
Oct 21, 2026279+4
Oct 16, 20262750
Oct 15, 20262750
Oct 14, 20262750
Oct 13, 20262750
Oct 09, 2026275No prior observation