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Contract OI history

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Jan 15, 2027 EXPIRATION

ARDX $5.00 Put

ARDX270115P00005000

Latest saved OI1,305Oct 20, 2026
Last change-79vs previous saved observation
Saved market days6Oct 08, 2026 onwards
Daily open interest Hover a point for its date and OI
ARDX $5.00 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. 1,4477230 2026-10-08: 1,447 OI2026-10-09: 1,447 OI2026-10-13: 1,441 OI2026-10-14: 1,440 OI2026-10-16: 1,384 OI2026-10-20: 1,305 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, 2026Viewing1,305-79
Oct 16, 20261,384-56
Oct 14, 20261,440-1
Oct 13, 20261,441-6
Oct 09, 20261,4470
Oct 08, 20261,447No prior observation