OITracker Cboe delayed data

Contract OI history

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Jan 15, 2027 EXPIRATION

MAT $15.00 Put

MAT270115P00015000

Latest saved OI31,226Oct 23, 2026
Last change+5,116vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
MAT $15.00 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. 31,22615,6130 2026-10-09: 4,004 OI2026-10-13: 20,794 OI2026-10-14: 20,794 OI2026-10-15: 26,104 OI2026-10-16: 26,104 OI2026-10-21: 26,110 OI2026-10-23: 31,226 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, 2026Viewing31,226+5,116
Oct 21, 202626,110+6
Oct 16, 202626,1040
Oct 15, 202626,104+5,310
Oct 14, 202620,7940
Oct 13, 202620,794+16,790
Oct 09, 20264,004No prior observation