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Contract OI history

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Nov 20, 2026 EXPIRATION

MAT $17.00 Put

MAT261120P00017000

Latest saved OI530Oct 23, 2026
Last change+6vs 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. 5302650 2026-10-09: 3 OI2026-10-13: 180 OI2026-10-14: 180 OI2026-10-15: 180 OI2026-10-16: 292 OI2026-10-21: 524 OI2026-10-23: 530 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, 2026530+6
Oct 21, 2026Viewing524+232
Oct 16, 2026292+112
Oct 15, 20261800
Oct 14, 20261800
Oct 13, 2026180+177
Oct 09, 20263No prior observation