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Contract OI history

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Dec 18, 2026 EXPIRATION

MAT $15.00 Call

MAT261218C00015000

Latest saved OI316Oct 23, 2026
Last change+11vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
MAT $15.00 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. 3461730 2026-10-09: 346 OI2026-10-13: 333 OI2026-10-14: 333 OI2026-10-15: 333 OI2026-10-16: 326 OI2026-10-21: 305 OI2026-10-23: 316 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, 2026316+11
Oct 21, 2026Viewing305-21
Oct 16, 2026326-7
Oct 15, 20263330
Oct 14, 20263330
Oct 13, 2026333-13
Oct 09, 2026346No prior observation