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Contract OI history

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Jan 15, 2027 EXPIRATION

SMMT $18.00 Call

SMMT270115C00018000

Latest saved OI3,643Oct 23, 2026
Last change+40vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
SMMT $18.00 call open interest history 7 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 3,6431,8210 2026-10-09: 3,288 OI2026-10-13: 3,390 OI2026-10-14: 3,399 OI2026-10-15: 3,434 OI2026-10-16: 3,436 OI2026-10-21: 3,603 OI2026-10-23: 3,643 OI Oct 09, 2026Oct 23, 2026

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

SMMT contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing3,643+40
Oct 21, 20263,603+167
Oct 16, 20263,436+2
Oct 15, 20263,434+35
Oct 14, 20263,399+9
Oct 13, 20263,390+102
Oct 09, 20263,288No prior observation