OITracker Cboe delayed data

Contract OI history

Back to AMAT

Sep 17, 2027 EXPIRATION

AMAT $400.00 Put

AMAT270917P00400000

Latest saved OI1,120Oct 23, 2026
Last change+12vs 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. 1,1205600 2026-10-09: 696 OI2026-10-13: 1,115 OI2026-10-14: 1,115 OI2026-10-15: 1,107 OI2026-10-16: 1,108 OI2026-10-21: 1,108 OI2026-10-23: 1,120 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, 2026Viewing1,120+12
Oct 21, 20261,1080
Oct 16, 20261,108+1
Oct 15, 20261,107-8
Oct 14, 20261,1150
Oct 13, 20261,115+419
Oct 09, 2026696No prior observation