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Contract OI history

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Oct 23, 2026 EXPIRATION

AMAT $320.00 Put

AMAT261023P00320000

Latest saved OI206Oct 23, 2026
Last change-1vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
AMAT $320.00 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. 2071030 2026-10-09: 23 OI2026-10-13: 126 OI2026-10-14: 126 OI2026-10-15: 122 OI2026-10-16: 205 OI2026-10-21: 207 OI2026-10-23: 206 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, 2026Viewing206-1
Oct 21, 2026207+2
Oct 16, 2026205+83
Oct 15, 2026122-4
Oct 14, 20261260
Oct 13, 2026126+103
Oct 09, 202623No prior observation