OITracker Cboe delayed data

Contract OI history

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Jan 15, 2027 EXPIRATION

MAT $15.00 Call

MAT270115C00015000

Latest saved OI1,868Oct 23, 2026
Last change-34vs 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. 2,7741,3870 2026-10-09: 2,774 OI2026-10-13: 2,537 OI2026-10-14: 2,537 OI2026-10-15: 2,062 OI2026-10-16: 2,057 OI2026-10-21: 1,902 OI2026-10-23: 1,868 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, 2026Viewing1,868-34
Oct 21, 20261,902-155
Oct 16, 20262,057-5
Oct 15, 20262,062-475
Oct 14, 20262,5370
Oct 13, 20262,537-237
Oct 09, 20262,774No prior observation