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Contract OI history

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Jan 15, 2027 EXPIRATION

MAT $20.00 Call

MAT270115C00020000

Latest saved OI35,223Oct 23, 2026
Last change+4,859vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
MAT $20.00 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. 35,22317,6110 2026-10-09: 28,058 OI2026-10-13: 29,261 OI2026-10-14: 29,261 OI2026-10-15: 29,262 OI2026-10-16: 29,355 OI2026-10-21: 30,364 OI2026-10-23: 35,223 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, 202635,223+4,859
Oct 21, 2026Viewing30,364+1,009
Oct 16, 202629,355+93
Oct 15, 202629,262+1
Oct 14, 202629,2610
Oct 13, 202629,261+1,203
Oct 09, 202628,058No prior observation