Contract OI history

Back to APH

Mar 19, 2027 EXPIRATION

APH $50.00 Put

APH270319P00050000

Latest saved OI391Oct 23, 2026
Last change+21vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
APH $50.00 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. 3911950 2026-10-02: 364 OI2026-10-05: 364 OI2026-10-06: 364 OI2026-10-07: 364 OI2026-10-08: 364 OI2026-10-09: 364 OI2026-10-13: 364 OI2026-10-14: 364 OI2026-10-15: 364 OI2026-10-16: 364 OI2026-10-21: 370 OI2026-10-23: 391 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, 2026Viewing391+21
Oct 21, 2026370+6
Oct 16, 20263640
Oct 15, 20263640
Oct 14, 20263640
Oct 13, 20263640
Oct 09, 20263640
Oct 08, 20263640
Oct 07, 20263640
Oct 06, 20263640
Oct 05, 20263640
Oct 02, 2026364No prior observation