OITracker Cboe delayed data

Contract OI history

Back to APH

Jan 21, 2028 EXPIRATION

APH $32.50 Put

APH280121P00032500

Latest saved OI226Oct 23, 2026
Last change+1vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
APH $32.50 put open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 2261130 2026-10-02: 120 OI2026-10-05: 120 OI2026-10-06: 120 OI2026-10-07: 120 OI2026-10-08: 200 OI2026-10-09: 225 OI2026-10-13: 225 OI2026-10-14: 225 OI2026-10-15: 225 OI2026-10-16: 225 OI2026-10-21: 225 OI2026-10-23: 226 OI Oct 02, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

APH contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing226+1
Oct 21, 20262250
Oct 16, 20262250
Oct 15, 20262250
Oct 14, 20262250
Oct 13, 20262250
Oct 09, 2026225+25
Oct 08, 2026200+80
Oct 07, 20261200
Oct 06, 20261200
Oct 05, 20261200
Oct 02, 2026120No prior observation