OITracker Cboe delayed data

Contract OI history

Back to ARDX

Jan 15, 2027 EXPIRATION

ARDX $3.00 Put

ARDX270115P00003000

Latest saved OI75,334Oct 20, 2026
Last change+20,000vs 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. 75,33437,6670 2026-10-08: 35,303 OI2026-10-09: 35,303 OI2026-10-13: 45,323 OI2026-10-14: 45,328 OI2026-10-16: 55,334 OI2026-10-20: 75,334 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, 2026Viewing75,334+20,000
Oct 16, 202655,334+10,006
Oct 14, 202645,328+5
Oct 13, 202645,323+10,020
Oct 09, 202635,3030
Oct 08, 202635,303No prior observation