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Contract OI history

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Apr 16, 2027 EXPIRATION

ARDX $5.00 Call

ARDX270416C00005000

Latest saved OI471Oct 20, 2026
Last change+1vs previous saved observation
Saved market days6Oct 08, 2026 onwards
Daily open interest Hover a point for its date and OI
ARDX $5.00 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. 4852420 2026-10-08: 485 OI2026-10-09: 485 OI2026-10-13: 485 OI2026-10-14: 485 OI2026-10-16: 470 OI2026-10-20: 471 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, 2026Viewing471+1
Oct 16, 2026470-15
Oct 14, 20264850
Oct 13, 20264850
Oct 09, 20264850
Oct 08, 2026485No prior observation