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Contract OI history

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Oct 30, 2026 EXPIRATION

SMMT $18.00 Call

SMMT261030C00018000

Latest saved OI294Oct 23, 2026
Last change-42vs 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. 3361680 2026-10-09: 284 OI2026-10-13: 284 OI2026-10-14: 295 OI2026-10-15: 290 OI2026-10-16: 283 OI2026-10-21: 336 OI2026-10-23: 294 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, 2026Viewing294-42
Oct 21, 2026336+53
Oct 16, 2026283-7
Oct 15, 2026290-5
Oct 14, 2026295+11
Oct 13, 20262840
Oct 09, 2026284No prior observation