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Contract OI history

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Nov 20, 2026 EXPIRATION

SMMT $13.00 Put

SMMT261120P00013000

Latest saved OI637Oct 23, 2026
Last change+109vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
SMMT $13.00 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. 6373180 2026-10-09: 298 OI2026-10-13: 304 OI2026-10-14: 497 OI2026-10-15: 497 OI2026-10-16: 497 OI2026-10-21: 528 OI2026-10-23: 637 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, 2026Viewing637+109
Oct 21, 2026528+31
Oct 16, 20264970
Oct 15, 20264970
Oct 14, 2026497+193
Oct 13, 2026304+6
Oct 09, 2026298No prior observation