OITracker Cboe delayed data

Contract OI history

Back to AUPH

Nov 20, 2026 EXPIRATION

AUPH $20.00 Call

AUPH261120C00020000

Latest saved OI19Oct 20, 2026
Last change+4vs previous saved observation
Saved market days6Oct 08, 2026 onwards
Daily open interest Hover a point for its date and OI
AUPH $20.00 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. 1990 2026-10-08: 0 OI2026-10-09: 0 OI2026-10-13: 3 OI2026-10-14: 6 OI2026-10-16: 15 OI2026-10-20: 19 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, 2026Viewing19+4
Oct 16, 202615+9
Oct 14, 20266+3
Oct 13, 20263+3
Oct 09, 202600
Oct 08, 20260No prior observation