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Contract OI history

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Dec 18, 2026 EXPIRATION

MATX $240.00 Call

MATX261218C00240000

Latest saved OI106Oct 23, 2026
Last change+4vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
MATX $240.00 call open interest history 11 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 106530 2026-10-02: 100 OI2026-10-05: 100 OI2026-10-06: 100 OI2026-10-07: 100 OI2026-10-08: 100 OI2026-10-09: 100 OI2026-10-13: 100 OI2026-10-14: 102 OI2026-10-16: 102 OI2026-10-20: 102 OI2026-10-23: 106 OI Oct 02, 2026Oct 23, 2026

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

MATX contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing106+4
Oct 20, 20261020
Oct 16, 20261020
Oct 14, 2026102+2
Oct 13, 20261000
Oct 09, 20261000
Oct 08, 20261000
Oct 07, 20261000
Oct 06, 20261000
Oct 05, 20261000
Oct 02, 2026100No prior observation