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Contract OI history

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Dec 17, 2027 EXPIRATION

AAPL $320.00 Put

AAPL271217P00320000

Latest saved OI4,550Oct 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. 4,5502,2750 2026-10-02: 4,490 OI2026-10-09: 4,531 OI2026-10-13: 4,531 OI2026-10-14: 4,531 OI2026-10-15: 4,531 OI2026-10-16: 4,534 OI2026-10-21: 4,545 OI2026-10-23: 4,550 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, 2026Viewing4,550+5
Oct 21, 20264,545+11
Oct 16, 20264,534+3
Oct 15, 20264,5310
Oct 14, 20264,5310
Oct 13, 20264,5310
Oct 09, 20264,531+41
Oct 02, 20264,490No prior observation