OITracker Cboe delayed data

Contract OI history

Back to AMAT

Sep 17, 2027 EXPIRATION

AMAT $420.00 Put

AMAT270917P00420000

Latest saved OI204Oct 23, 2026
Last change+5vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
AMAT $420.00 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. 2041020 2026-10-09: 156 OI2026-10-13: 162 OI2026-10-14: 162 OI2026-10-15: 166 OI2026-10-16: 194 OI2026-10-21: 199 OI2026-10-23: 204 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, 2026Viewing204+5
Oct 21, 2026199+5
Oct 16, 2026194+28
Oct 15, 2026166+4
Oct 14, 20261620
Oct 13, 2026162+6
Oct 09, 2026156No prior observation