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Contract OI history

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Feb 19, 2027 EXPIRATION

AMAT $400.00 Put

AMAT270219P00400000

Latest saved OI677Oct 23, 2026
Last change+4vs 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. 6773380 2026-10-09: 527 OI2026-10-13: 644 OI2026-10-14: 644 OI2026-10-15: 646 OI2026-10-16: 657 OI2026-10-21: 673 OI2026-10-23: 677 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, 2026Viewing677+4
Oct 21, 2026673+16
Oct 16, 2026657+11
Oct 15, 2026646+2
Oct 14, 20266440
Oct 13, 2026644+117
Oct 09, 2026527No prior observation