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Contract OI history

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Nov 20, 2026 EXPIRATION

AMGN $370.00 Put

AMGN261120P00370000

Latest saved OI191Oct 23, 2026
Last change-3vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
AMGN $370.00 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. 2251120 2026-10-09: 148 OI2026-10-13: 225 OI2026-10-14: 225 OI2026-10-15: 202 OI2026-10-16: 191 OI2026-10-21: 194 OI2026-10-23: 191 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, 2026Viewing191-3
Oct 21, 2026194+3
Oct 16, 2026191-11
Oct 15, 2026202-23
Oct 14, 20262250
Oct 13, 2026225+77
Oct 09, 2026148No prior observation