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Contract OI history

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Mar 19, 2027 EXPIRATION

AMRX $20.00 Put

AMRX270319P00020000

Latest saved OI1,011Oct 23, 2026
Last change0vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
AMRX $20.00 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. 1,0115050 2026-10-09: 1,010 OI2026-10-13: 1,010 OI2026-10-14: 1,010 OI2026-10-15: 1,010 OI2026-10-16: 1,010 OI2026-10-20: 1,011 OI2026-10-23: 1,011 OI Oct 09, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

AMRX contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing1,0110
Oct 20, 20261,011+1
Oct 16, 20261,0100
Oct 15, 20261,0100
Oct 14, 20261,0100
Oct 13, 20261,0100
Oct 09, 20261,010No prior observation