OITracker Cboe delayed data

Contract OI history

Back to SM

Dec 18, 2026 EXPIRATION

SM $37.50 Call

SM261218C00037500

Latest saved OI2,404Oct 23, 2026
Last change+3vs 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. 2,4041,2020 2026-10-02: 2,377 OI2026-10-05: 2,377 OI2026-10-07: 2,376 OI2026-10-08: 2,376 OI2026-10-09: 2,377 OI2026-10-13: 2,353 OI2026-10-15: 2,353 OI2026-10-16: 2,392 OI2026-10-21: 2,401 OI2026-10-23: 2,404 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, 20262,404+3
Oct 21, 2026Viewing2,401+9
Oct 16, 20262,392+39
Oct 15, 20262,3530
Oct 13, 20262,353-24
Oct 09, 20262,377+1
Oct 08, 20262,3760
Oct 07, 20262,376-1
Oct 05, 20262,3770
Oct 02, 20262,377No prior observation