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Contract OI history

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Dec 18, 2026 EXPIRATION

AMRX $20.00 Call

AMRX261218C00020000

Latest saved OI259Oct 23, 2026
Last change-20vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
AMRX $20.00 call open interest history 7 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 2991490 2026-10-09: 249 OI2026-10-13: 299 OI2026-10-14: 299 OI2026-10-15: 299 OI2026-10-16: 299 OI2026-10-20: 279 OI2026-10-23: 259 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, 2026Viewing259-20
Oct 20, 2026279-20
Oct 16, 20262990
Oct 15, 20262990
Oct 14, 20262990
Oct 13, 2026299+50
Oct 09, 2026249No prior observation