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Contract OI history

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Oct 23, 2026 EXPIRATION

AMAT $405.00 Put

AMAT261023P00405000

Latest saved OI41Oct 23, 2026
Last change-182vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
AMAT $405.00 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. 2231110 2026-10-09: 41 OI2026-10-13: 63 OI2026-10-14: 63 OI2026-10-15: 63 OI2026-10-16: 65 OI2026-10-21: 223 OI2026-10-23: 41 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, 2026Viewing41-182
Oct 21, 2026223+158
Oct 16, 202665+2
Oct 15, 2026630
Oct 14, 2026630
Oct 13, 202663+22
Oct 09, 202641No prior observation