OITracker Cboe delayed data

Contract OI history

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Jan 15, 2027 EXPIRATION

ARDX $7.00 Put

ARDX270115P00007000

Latest saved OI444Oct 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 $7.00 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. 4772380 2026-10-08: 477 OI2026-10-09: 477 OI2026-10-13: 456 OI2026-10-14: 446 OI2026-10-16: 445 OI2026-10-20: 444 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, 2026Viewing444-1
Oct 16, 2026445-1
Oct 14, 2026446-10
Oct 13, 2026456-21
Oct 09, 20264770
Oct 08, 2026477No prior observation