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Contract OI history

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Mar 19, 2027 EXPIRATION

AMAT $390.00 Put

AMAT270319P00390000

Latest saved OI588Oct 23, 2026
Last change-3vs 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. 5912950 2026-10-09: 505 OI2026-10-13: 509 OI2026-10-14: 509 OI2026-10-15: 589 OI2026-10-16: 590 OI2026-10-21: 591 OI2026-10-23: 588 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, 2026Viewing588-3
Oct 21, 2026591+1
Oct 16, 2026590+1
Oct 15, 2026589+80
Oct 14, 20265090
Oct 13, 2026509+4
Oct 09, 2026505No prior observation