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Contract OI history

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Oct 23, 2026 EXPIRATION

AAPL $312.50 Put

AAPL261023P00312500

Latest saved OI1,040Oct 23, 2026
Last change-1vs previous saved observation
Saved market days8Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
AAPL $312.50 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. 1,0415200 2026-10-02: 0 OI2026-10-09: 411 OI2026-10-13: 458 OI2026-10-14: 458 OI2026-10-15: 430 OI2026-10-16: 461 OI2026-10-21: 1,041 OI2026-10-23: 1,040 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, 2026Viewing1,040-1
Oct 21, 20261,041+580
Oct 16, 2026461+31
Oct 15, 2026430-28
Oct 14, 20264580
Oct 13, 2026458+47
Oct 09, 2026411+411
Oct 02, 20260No prior observation