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Contract OI history

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Dec 18, 2026 EXPIRATION

AMRX $17.50 Call

AMRX261218C00017500

Latest saved OI1,400Oct 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 $17.50 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. 1,4097040 2026-10-09: 1,409 OI2026-10-13: 1,397 OI2026-10-14: 1,397 OI2026-10-15: 1,397 OI2026-10-16: 1,397 OI2026-10-20: 1,400 OI2026-10-23: 1,400 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, 2026Viewing1,4000
Oct 20, 20261,400+3
Oct 16, 20261,3970
Oct 15, 20261,3970
Oct 14, 20261,3970
Oct 13, 20261,397-12
Oct 09, 20261,409No prior observation