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Contract OI history

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Nov 20, 2026 EXPIRATION

AMAT $400.00 Put

AMAT261120P00400000

Latest saved OI3,304Oct 23, 2026
Last change+10vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
AMAT $400.00 put open interest history 7 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 3,3041,6520 2026-10-09: 2,651 OI2026-10-13: 2,819 OI2026-10-14: 2,819 OI2026-10-15: 2,846 OI2026-10-16: 3,106 OI2026-10-21: 3,294 OI2026-10-23: 3,304 OI Oct 09, 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, 2026Viewing3,304+10
Oct 21, 20263,294+188
Oct 16, 20263,106+260
Oct 15, 20262,846+27
Oct 14, 20262,8190
Oct 13, 20262,819+168
Oct 09, 20262,651No prior observation