OITracker Cboe delayed data

Contract OI history

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Jan 15, 2027 EXPIRATION

MAT $13.00 Put

MAT270115P00013000

Latest saved OI5,876Oct 23, 2026
Last change-702vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
MAT $13.00 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. 6,5833,2910 2026-10-09: 6,583 OI2026-10-13: 6,582 OI2026-10-14: 6,582 OI2026-10-15: 6,578 OI2026-10-16: 6,578 OI2026-10-21: 6,578 OI2026-10-23: 5,876 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, 20265,876-702
Oct 21, 2026Viewing6,5780
Oct 16, 20266,5780
Oct 15, 20266,578-4
Oct 14, 20266,5820
Oct 13, 20266,582-1
Oct 09, 20266,583No prior observation