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Contract OI history

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Dec 18, 2026 EXPIRATION

AMAT $420.00 Put

AMAT261218P00420000

Latest saved OI1,510Oct 23, 2026
Last change-86vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
AMAT $420.00 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. 1,5967980 2026-10-09: 1,337 OI2026-10-13: 1,366 OI2026-10-14: 1,366 OI2026-10-15: 1,412 OI2026-10-16: 1,412 OI2026-10-21: 1,596 OI2026-10-23: 1,510 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, 2026Viewing1,510-86
Oct 21, 20261,596+184
Oct 16, 20261,4120
Oct 15, 20261,412+46
Oct 14, 20261,3660
Oct 13, 20261,366+29
Oct 09, 20261,337No prior observation