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Contract OI history

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Dec 15, 2028 EXPIRATION

AMAT $400.00 Put

AMAT281215P00400000

Latest saved OI198Oct 23, 2026
Last change+3vs 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. 198990 2026-10-09: 77 OI2026-10-13: 79 OI2026-10-14: 79 OI2026-10-15: 79 OI2026-10-16: 79 OI2026-10-21: 195 OI2026-10-23: 198 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, 2026Viewing198+3
Oct 21, 2026195+116
Oct 16, 2026790
Oct 15, 2026790
Oct 14, 2026790
Oct 13, 202679+2
Oct 09, 202677No prior observation