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Contract OI history

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Dec 18, 2026 EXPIRATION

AMAT $340.00 Put

AMAT261218P00340000

Latest saved OI2,617Oct 23, 2026
Last change+20vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
AMAT $340.00 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. 2,6171,3080 2026-10-09: 895 OI2026-10-13: 895 OI2026-10-14: 895 OI2026-10-15: 895 OI2026-10-16: 912 OI2026-10-21: 2,597 OI2026-10-23: 2,617 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, 2026Viewing2,617+20
Oct 21, 20262,597+1,685
Oct 16, 2026912+17
Oct 15, 20268950
Oct 14, 20268950
Oct 13, 20268950
Oct 09, 2026895No prior observation