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Contract OI history

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Apr 16, 2027 EXPIRATION

ARDX $3.00 Put

ARDX270416P00003000

Latest saved OI250Oct 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 $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. 2501250 2026-10-08: 177 OI2026-10-09: 177 OI2026-10-13: 240 OI2026-10-14: 250 OI2026-10-16: 250 OI2026-10-20: 250 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, 2026Viewing2500
Oct 16, 20262500
Oct 14, 2026250+10
Oct 13, 2026240+63
Oct 09, 20261770
Oct 08, 2026177No prior observation