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Contract OI history

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Oct 30, 2026 EXPIRATION

AMAT $400.00 Put

AMAT261030P00400000

Latest saved OI343Oct 23, 2026
Last change+51vs 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. 3431710 2026-10-09: 97 OI2026-10-13: 118 OI2026-10-14: 118 OI2026-10-15: 174 OI2026-10-16: 217 OI2026-10-21: 292 OI2026-10-23: 343 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, 2026Viewing343+51
Oct 21, 2026292+75
Oct 16, 2026217+43
Oct 15, 2026174+56
Oct 14, 20261180
Oct 13, 2026118+21
Oct 09, 202697No prior observation