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Contract OI history

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Dec 18, 2026 EXPIRATION

SM $20.00 Call

SM261218C00020000

Latest saved OI586Oct 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 $20.00 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. 5872930 2026-10-02: 556 OI2026-10-05: 556 OI2026-10-07: 587 OI2026-10-08: 587 OI2026-10-09: 587 OI2026-10-13: 587 OI2026-10-15: 586 OI2026-10-16: 586 OI2026-10-21: 586 OI2026-10-23: 586 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, 20265860
Oct 21, 2026Viewing5860
Oct 16, 20265860
Oct 15, 2026586-1
Oct 13, 20265870
Oct 09, 20265870
Oct 08, 20265870
Oct 07, 2026587+31
Oct 05, 20265560
Oct 02, 2026556No prior observation