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Contract OI history

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Sep 17, 2027 EXPIRATION

AMAT $320.00 Put

AMAT270917P00320000

Latest saved OI234Oct 23, 2026
Last change+8vs 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. 2341170 2026-10-09: 194 OI2026-10-13: 198 OI2026-10-14: 198 OI2026-10-15: 226 OI2026-10-16: 231 OI2026-10-21: 226 OI2026-10-23: 234 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, 2026Viewing234+8
Oct 21, 2026226-5
Oct 16, 2026231+5
Oct 15, 2026226+28
Oct 14, 20261980
Oct 13, 2026198+4
Oct 09, 2026194No prior observation