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Contract OI history

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Sep 17, 2027 EXPIRATION

AAPL $320.00 Put

AAPL270917P00320000

Latest saved OI1,632Oct 23, 2026
Last change+257vs 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. 1,6328160 2026-10-02: 1,264 OI2026-10-09: 1,302 OI2026-10-13: 1,343 OI2026-10-14: 1,343 OI2026-10-15: 1,343 OI2026-10-16: 1,349 OI2026-10-21: 1,375 OI2026-10-23: 1,632 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, 2026Viewing1,632+257
Oct 21, 20261,375+26
Oct 16, 20261,349+6
Oct 15, 20261,3430
Oct 14, 20261,3430
Oct 13, 20261,343+41
Oct 09, 20261,302+38
Oct 02, 20261,264No prior observation