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Contract OI history

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Apr 16, 2027 EXPIRATION

MATW $17.50 Call

MATW270416C00017500

Latest saved OI859Oct 23, 2026
Last change0vs previous saved observation
Saved market days7Oct 08, 2026 onwards
Daily open interest Hover a point for its date and OI
MATW $17.50 call open interest history 7 saved observations from 2026-10-08 to 2026-10-23. Exact values and changes are listed in the table below. 8594290 2026-10-08: 859 OI2026-10-09: 859 OI2026-10-13: 859 OI2026-10-14: 859 OI2026-10-16: 859 OI2026-10-20: 859 OI2026-10-23: 859 OI Oct 08, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

MATW contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing8590
Oct 20, 20268590
Oct 16, 20268590
Oct 14, 20268590
Oct 13, 20268590
Oct 09, 20268590
Oct 08, 2026859No prior observation