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Contract OI history

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Jan 21, 2028 EXPIRATION

ARDX $10.00 Call

ARDX280121C00010000

Latest saved OI795Oct 20, 2026
Last change-2vs previous saved observation
Saved market days6Oct 08, 2026 onwards
Daily open interest Hover a point for its date and OI
ARDX $10.00 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. 7983990 2026-10-08: 798 OI2026-10-09: 798 OI2026-10-13: 798 OI2026-10-14: 797 OI2026-10-16: 797 OI2026-10-20: 795 OI Oct 08, 2026Oct 20, 2026

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

ARDX contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 20, 2026Viewing795-2
Oct 16, 20267970
Oct 14, 2026797-1
Oct 13, 20267980
Oct 09, 20267980
Oct 08, 2026798No prior observation