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Contract OI history

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Jan 21, 2028 EXPIRATION

ARDX $12.00 Call

ARDX280121C00012000

Latest saved OI653Oct 20, 2026
Last change0vs previous saved observation
Saved market days6Oct 08, 2026 onwards
Daily open interest Hover a point for its date and OI
ARDX $12.00 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. 6533260 2026-10-08: 652 OI2026-10-09: 652 OI2026-10-13: 652 OI2026-10-14: 652 OI2026-10-16: 653 OI2026-10-20: 653 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, 2026Viewing6530
Oct 16, 2026653+1
Oct 14, 20266520
Oct 13, 20266520
Oct 09, 20266520
Oct 08, 2026652No prior observation