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Contract OI history

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Jan 21, 2028 EXPIRATION

AAPL $320.00 Put

AAPL280121P00320000

Latest saved OI3,618Oct 23, 2026
Last change+911vs 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. 3,6181,8090 2026-10-02: 1,851 OI2026-10-09: 1,863 OI2026-10-13: 1,864 OI2026-10-14: 1,864 OI2026-10-15: 1,863 OI2026-10-16: 1,991 OI2026-10-21: 2,707 OI2026-10-23: 3,618 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, 2026Viewing3,618+911
Oct 21, 20262,707+716
Oct 16, 20261,991+128
Oct 15, 20261,863-1
Oct 14, 20261,8640
Oct 13, 20261,864+1
Oct 09, 20261,863+12
Oct 02, 20261,851No prior observation