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Contract OI history

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Oct 30, 2026 EXPIRATION

AMAT $340.00 Put

AMAT261030P00340000

Latest saved OI642Oct 23, 2026
Last change+608vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
AMAT $340.00 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. 6423210 2026-10-09: 28 OI2026-10-13: 30 OI2026-10-14: 30 OI2026-10-15: 29 OI2026-10-16: 29 OI2026-10-21: 34 OI2026-10-23: 642 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, 2026Viewing642+608
Oct 21, 202634+5
Oct 16, 2026290
Oct 15, 202629-1
Oct 14, 2026300
Oct 13, 202630+2
Oct 09, 202628No prior observation