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Contract OI history

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Dec 18, 2026 EXPIRATION

AAPL $320.00 Put

AAPL261218P00320000

Latest saved OI8,396Oct 23, 2026
Last change+333vs 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. 8,3964,1980 2026-10-02: 5,133 OI2026-10-09: 6,391 OI2026-10-13: 6,446 OI2026-10-14: 6,446 OI2026-10-15: 7,064 OI2026-10-16: 7,292 OI2026-10-21: 8,063 OI2026-10-23: 8,396 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, 2026Viewing8,396+333
Oct 21, 20268,063+771
Oct 16, 20267,292+228
Oct 15, 20267,064+618
Oct 14, 20266,4460
Oct 13, 20266,446+55
Oct 09, 20266,391+1,258
Oct 02, 20265,133No prior observation