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Contract OI history

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Nov 20, 2026 EXPIRATION

AMAT $405.00 Put

AMAT261120P00405000

Latest saved OI1,635Oct 23, 2026
Last change+1,605vs previous saved observation
Saved market days2Oct 21, 2026 onwards
Daily open interest Hover a point for its date and OI
AMAT $405.00 put open interest history 2 saved observations from 2026-10-21 to 2026-10-23. Exact values and changes are listed in the table below. 1,6358170 2026-10-21: 30 OI2026-10-23: 1,635 OI Oct 21, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

AMAT contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing1,635+1,605
Oct 21, 202630No prior observation