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Contract OI history

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Jan 15, 2027 EXPIRATION

AMAT $340.00 Put

AMAT270115P00340000

Latest saved OI2,160Oct 23, 2026
Last change+178vs 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. 2,1601,0800 2026-10-09: 874 OI2026-10-13: 874 OI2026-10-14: 874 OI2026-10-15: 874 OI2026-10-16: 875 OI2026-10-21: 1,982 OI2026-10-23: 2,160 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, 2026Viewing2,160+178
Oct 21, 20261,982+1,107
Oct 16, 2026875+1
Oct 15, 20268740
Oct 14, 20268740
Oct 13, 20268740
Oct 09, 2026874No prior observation