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Contract OI history

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Dec 18, 2026 EXPIRATION

AMAT $390.00 Put

AMAT261218P00390000

Latest saved OI1,167Oct 23, 2026
Last change+119vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
AMAT $390.00 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. 1,1675830 2026-10-09: 925 OI2026-10-13: 957 OI2026-10-14: 957 OI2026-10-15: 958 OI2026-10-16: 1,015 OI2026-10-21: 1,048 OI2026-10-23: 1,167 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, 2026Viewing1,167+119
Oct 21, 20261,048+33
Oct 16, 20261,015+57
Oct 15, 2026958+1
Oct 14, 20269570
Oct 13, 2026957+32
Oct 09, 2026925No prior observation