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Contract OI history

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Mar 19, 2027 EXPIRATION

AMAT $440.00 Put

AMAT270319P00440000

Latest saved OI263Oct 23, 2026
Last change+1vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
AMAT $440.00 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. 2631310 2026-10-09: 250 OI2026-10-13: 257 OI2026-10-14: 257 OI2026-10-15: 257 OI2026-10-16: 257 OI2026-10-21: 262 OI2026-10-23: 263 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, 2026Viewing263+1
Oct 21, 2026262+5
Oct 16, 20262570
Oct 15, 20262570
Oct 14, 20262570
Oct 13, 2026257+7
Oct 09, 2026250No prior observation