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Contract OI history

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Mar 17, 2028 EXPIRATION

AAPL $320.00 Put

AAPL280317P00320000

Latest saved OI401Oct 23, 2026
Last change+5vs previous saved observation
Saved market days8Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
AAPL $320.00 put open interest history 8 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 4012000 2026-10-02: 365 OI2026-10-09: 350 OI2026-10-13: 350 OI2026-10-14: 350 OI2026-10-15: 350 OI2026-10-16: 350 OI2026-10-21: 396 OI2026-10-23: 401 OI Oct 02, 2026Oct 23, 2026

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

AAPL contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing401+5
Oct 21, 2026396+46
Oct 16, 20263500
Oct 15, 20263500
Oct 14, 20263500
Oct 13, 20263500
Oct 09, 2026350-15
Oct 02, 2026365No prior observation