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Contract OI history

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Mar 19, 2027 EXPIRATION

MATW $27.50 Call

MATW270319C00027500

Latest saved OI144Oct 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 $27.50 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. 144720 2026-10-08: 144 OI2026-10-09: 144 OI2026-10-13: 144 OI2026-10-14: 144 OI2026-10-16: 144 OI2026-10-20: 144 OI2026-10-23: 144 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, 2026Viewing1440
Oct 20, 20261440
Oct 16, 20261440
Oct 14, 20261440
Oct 13, 20261440
Oct 09, 20261440
Oct 08, 2026144No prior observation