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Contract OI history

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Mar 19, 2027 EXPIRATION

AMAT $400.00 Put

AMAT270319P00400000

Latest saved OI1,715Oct 23, 2026
Last change-15vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
AMAT $400.00 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. 1,7308650 2026-10-09: 1,172 OI2026-10-13: 1,467 OI2026-10-14: 1,467 OI2026-10-15: 1,545 OI2026-10-16: 1,545 OI2026-10-21: 1,730 OI2026-10-23: 1,715 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, 2026Viewing1,715-15
Oct 21, 20261,730+185
Oct 16, 20261,5450
Oct 15, 20261,545+78
Oct 14, 20261,4670
Oct 13, 20261,467+295
Oct 09, 20261,172No prior observation