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Contract OI history

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Oct 26, 2026 EXPIRATION

AAPL $327.50 Put

AAPL261026P00327500

Latest saved OI344Oct 23, 2026
Last change+90vs previous saved observation
Saved market days6Oct 13, 2026 onwards
Daily open interest Hover a point for its date and OI
AAPL $327.50 put open interest history 6 saved observations from 2026-10-13 to 2026-10-23. Exact values and changes are listed in the table below. 3441720 2026-10-13: 26 OI2026-10-14: 26 OI2026-10-15: 27 OI2026-10-16: 60 OI2026-10-21: 254 OI2026-10-23: 344 OI Oct 13, 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, 2026Viewing344+90
Oct 21, 2026254+194
Oct 16, 202660+33
Oct 15, 202627+1
Oct 14, 2026260
Oct 13, 202626No prior observation