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Contract OI history

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Dec 18, 2026 EXPIRATION

SM $42.50 Call

SM261218C00042500

Latest saved OI478Oct 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 $42.50 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. 4812400 2026-10-02: 454 OI2026-10-05: 454 OI2026-10-07: 453 OI2026-10-08: 454 OI2026-10-09: 451 OI2026-10-13: 451 OI2026-10-15: 474 OI2026-10-16: 474 OI2026-10-21: 481 OI2026-10-23: 478 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, 2026Viewing478-3
Oct 21, 2026481+7
Oct 16, 20264740
Oct 15, 2026474+23
Oct 13, 20264510
Oct 09, 2026451-3
Oct 08, 2026454+1
Oct 07, 2026453-1
Oct 05, 20264540
Oct 02, 2026454No prior observation