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Contract OI history

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Jan 15, 2027 EXPIRATION

MAT $18.00 Call

MAT270115C00018000

Latest saved OI30,550Oct 23, 2026
Last change-2,501vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
MAT $18.00 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. 33,07916,5390 2026-10-09: 21,470 OI2026-10-13: 33,079 OI2026-10-14: 33,079 OI2026-10-15: 33,062 OI2026-10-16: 33,059 OI2026-10-21: 33,051 OI2026-10-23: 30,550 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, 202630,550-2,501
Oct 21, 2026Viewing33,051-8
Oct 16, 202633,059-3
Oct 15, 202633,062-17
Oct 14, 202633,0790
Oct 13, 202633,079+11,609
Oct 09, 202621,470No prior observation