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Contract OI history

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Oct 23, 2026 EXPIRATION

AMAT $420.00 Put

AMAT261023P00420000

Latest saved OI13Oct 23, 2026
Last change-680vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
AMAT $420.00 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. 6933460 2026-10-09: 191 OI2026-10-13: 299 OI2026-10-14: 299 OI2026-10-15: 496 OI2026-10-16: 490 OI2026-10-21: 693 OI2026-10-23: 13 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, 2026Viewing13-680
Oct 21, 2026693+203
Oct 16, 2026490-6
Oct 15, 2026496+197
Oct 14, 20262990
Oct 13, 2026299+108
Oct 09, 2026191No prior observation