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Contract OI history

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Oct 23, 2026 EXPIRATION

AMAT $400.00 Put

AMAT261023P00400000

Latest saved OI449Oct 23, 2026
Last change+25vs 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. 4492240 2026-10-09: 110 OI2026-10-13: 148 OI2026-10-14: 148 OI2026-10-15: 168 OI2026-10-16: 287 OI2026-10-21: 424 OI2026-10-23: 449 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, 2026Viewing449+25
Oct 21, 2026424+137
Oct 16, 2026287+119
Oct 15, 2026168+20
Oct 14, 20261480
Oct 13, 2026148+38
Oct 09, 2026110No prior observation