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Contract OI history

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Nov 20, 2026 EXPIRATION

MAT $17.00 Call

MAT261120C00017000

Latest saved OI6,283Oct 23, 2026
Last change+1,582vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
MAT $17.00 call open interest history 7 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 6,2833,1410 2026-10-09: 1,310 OI2026-10-13: 1,956 OI2026-10-14: 1,956 OI2026-10-15: 2,039 OI2026-10-16: 2,608 OI2026-10-21: 4,701 OI2026-10-23: 6,283 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, 2026Viewing6,283+1,582
Oct 21, 20264,701+2,093
Oct 16, 20262,608+569
Oct 15, 20262,039+83
Oct 14, 20261,9560
Oct 13, 20261,956+646
Oct 09, 20261,310No prior observation