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Contract OI history

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Jan 15, 2027 EXPIRATION

AUPH $18.00 Call

AUPH270115C00018000

Latest saved OI187Oct 20, 2026
Last change+10vs previous saved observation
Saved market days6Oct 08, 2026 onwards
Daily open interest Hover a point for its date and OI
AUPH $18.00 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. 187930 2026-10-08: 176 OI2026-10-09: 177 OI2026-10-13: 187 OI2026-10-14: 177 OI2026-10-16: 177 OI2026-10-20: 187 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, 2026Viewing187+10
Oct 16, 20261770
Oct 14, 2026177-10
Oct 13, 2026187+10
Oct 09, 2026177+1
Oct 08, 2026176No prior observation