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Contract OI history

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Jan 15, 2027 EXPIRATION

MAT $17.00 Put

MAT270115P00017000

Latest saved OI6,262Oct 23, 2026
Last change+1vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
MAT $17.00 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. 6,2623,1310 2026-10-09: 2,126 OI2026-10-13: 6,174 OI2026-10-14: 6,174 OI2026-10-15: 6,244 OI2026-10-16: 6,245 OI2026-10-21: 6,261 OI2026-10-23: 6,262 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, 2026Viewing6,262+1
Oct 21, 20266,261+16
Oct 16, 20266,245+1
Oct 15, 20266,244+70
Oct 14, 20266,1740
Oct 13, 20266,174+4,048
Oct 09, 20262,126No prior observation