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Contract OI history

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Mar 19, 2027 EXPIRATION

APH $55.00 Put

APH270319P00055000

Latest saved OI267Oct 23, 2026
Last change+28vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
APH $55.00 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. 2671330 2026-10-02: 239 OI2026-10-05: 239 OI2026-10-06: 239 OI2026-10-07: 239 OI2026-10-08: 239 OI2026-10-09: 239 OI2026-10-13: 239 OI2026-10-14: 239 OI2026-10-15: 239 OI2026-10-16: 239 OI2026-10-21: 239 OI2026-10-23: 267 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, 2026Viewing267+28
Oct 21, 20262390
Oct 16, 20262390
Oct 15, 20262390
Oct 14, 20262390
Oct 13, 20262390
Oct 09, 20262390
Oct 08, 20262390
Oct 07, 20262390
Oct 06, 20262390
Oct 05, 20262390
Oct 02, 2026239No prior observation