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Contract OI history

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Jan 15, 2027 EXPIRATION

MAT $17.00 Call

MAT270115C00017000

Latest saved OI1,727Oct 23, 2026
Last change-5,273vs 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. 7,0003,5000 2026-10-09: 6,808 OI2026-10-13: 6,878 OI2026-10-14: 6,878 OI2026-10-15: 6,937 OI2026-10-16: 6,947 OI2026-10-21: 7,000 OI2026-10-23: 1,727 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, 20261,727-5,273
Oct 21, 2026Viewing7,000+53
Oct 16, 20266,947+10
Oct 15, 20266,937+59
Oct 14, 20266,8780
Oct 13, 20266,878+70
Oct 09, 20266,808No prior observation