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Contract OI history

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May 21, 2027 EXPIRATION

SM $37.50 Call

SM270521C00037500

Latest saved OI39Oct 23, 2026
Last change0vs 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. 41200 2026-10-02: 37 OI2026-10-05: 37 OI2026-10-07: 39 OI2026-10-08: 39 OI2026-10-09: 41 OI2026-10-13: 41 OI2026-10-15: 41 OI2026-10-16: 39 OI2026-10-21: 39 OI2026-10-23: 39 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, 2026390
Oct 21, 2026Viewing390
Oct 16, 202639-2
Oct 15, 2026410
Oct 13, 2026410
Oct 09, 202641+2
Oct 08, 2026390
Oct 07, 202639+2
Oct 05, 2026370
Oct 02, 202637No prior observation