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Contract OI history

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Nov 13, 2026 EXPIRATION

AMAT $400.00 Put

AMAT261113P00400000

Latest saved OI254Oct 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 $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. 2621310 2026-10-09: 38 OI2026-10-13: 229 OI2026-10-14: 229 OI2026-10-15: 250 OI2026-10-16: 257 OI2026-10-21: 262 OI2026-10-23: 254 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, 2026Viewing254-8
Oct 21, 2026262+5
Oct 16, 2026257+7
Oct 15, 2026250+21
Oct 14, 20262290
Oct 13, 2026229+191
Oct 09, 202638No prior observation