OITracker Cboe delayed data

Contract OI history

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Nov 20, 2026 EXPIRATION

MAT $14.00 Put

MAT261120P00014000

Latest saved OI710Oct 23, 2026
Last change+476vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
MAT $14.00 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. 7103550 2026-10-09: 212 OI2026-10-13: 213 OI2026-10-14: 213 OI2026-10-15: 213 OI2026-10-16: 203 OI2026-10-21: 234 OI2026-10-23: 710 OI Oct 09, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

MAT contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026710+476
Oct 21, 2026Viewing234+31
Oct 16, 2026203-10
Oct 15, 20262130
Oct 14, 20262130
Oct 13, 2026213+1
Oct 09, 2026212No prior observation