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Contract OI history

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Nov 20, 2026 EXPIRATION

ARDX $3.00 Put

ARDX261120P00003000

Latest saved OI206Oct 20, 2026
Last change+112vs previous saved observation
Saved market days6Oct 08, 2026 onwards
Daily open interest Hover a point for its date and OI
ARDX $3.00 put open interest history 6 saved observations from 2026-10-08 to 2026-10-20. Exact values and changes are listed in the table below. 2061030 2026-10-08: 86 OI2026-10-09: 89 OI2026-10-13: 91 OI2026-10-14: 91 OI2026-10-16: 94 OI2026-10-20: 206 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, 2026Viewing206+112
Oct 16, 202694+3
Oct 14, 2026910
Oct 13, 202691+2
Oct 09, 202689+3
Oct 08, 202686No prior observation