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Contract OI history

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Nov 20, 2026 EXPIRATION

AUPH $19.00 Call

AUPH261120C00019000

Latest saved OI367Oct 20, 2026
Last change+183vs previous saved observation
Saved market days6Oct 08, 2026 onwards
Daily open interest Hover a point for its date and OI
AUPH $19.00 call open interest history 6 saved observations from 2026-10-08 to 2026-10-20. Exact values and changes are listed in the table below. 3671830 2026-10-08: 160 OI2026-10-09: 160 OI2026-10-13: 173 OI2026-10-14: 174 OI2026-10-16: 184 OI2026-10-20: 367 OI Oct 08, 2026Oct 20, 2026

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

AUPH contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 20, 2026Viewing367+183
Oct 16, 2026184+10
Oct 14, 2026174+1
Oct 13, 2026173+13
Oct 09, 20261600
Oct 08, 2026160No prior observation