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Contract OI history

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Jan 21, 2028 EXPIRATION

SMMT $10.00 Put

SMMT280121P00010000

Latest saved OI633Oct 23, 2026
Last change+4vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
SMMT $10.00 put open interest history 7 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 6333160 2026-10-09: 572 OI2026-10-13: 573 OI2026-10-14: 590 OI2026-10-15: 594 OI2026-10-16: 601 OI2026-10-21: 629 OI2026-10-23: 633 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, 2026Viewing633+4
Oct 21, 2026629+28
Oct 16, 2026601+7
Oct 15, 2026594+4
Oct 14, 2026590+17
Oct 13, 2026573+1
Oct 09, 2026572No prior observation