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Contract OI history

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Nov 20, 2026 EXPIRATION

SM $37.50 Call

SM261120C00037500

Latest saved OI943Oct 23, 2026
Last change+1vs previous saved observation
Saved market days10Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
SM $37.50 call open interest history 10 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 9434710 2026-10-02: 776 OI2026-10-05: 776 OI2026-10-07: 790 OI2026-10-08: 791 OI2026-10-09: 790 OI2026-10-13: 870 OI2026-10-15: 891 OI2026-10-16: 906 OI2026-10-21: 942 OI2026-10-23: 943 OI Oct 02, 2026Oct 23, 2026

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

SM contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026943+1
Oct 21, 2026Viewing942+36
Oct 16, 2026906+15
Oct 15, 2026891+21
Oct 13, 2026870+80
Oct 09, 2026790-1
Oct 08, 2026791+1
Oct 07, 2026790+14
Oct 05, 20267760
Oct 02, 2026776No prior observation