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Contract OI history

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Dec 18, 2026 EXPIRATION

SM $50.00 Call

SM261218C00050000

Latest saved OI340Oct 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 $50.00 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. 3401700 2026-10-02: 337 OI2026-10-05: 337 OI2026-10-07: 337 OI2026-10-08: 337 OI2026-10-09: 338 OI2026-10-13: 338 OI2026-10-15: 338 OI2026-10-16: 338 OI2026-10-21: 340 OI2026-10-23: 340 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, 20263400
Oct 21, 2026Viewing340+2
Oct 16, 20263380
Oct 15, 20263380
Oct 13, 20263380
Oct 09, 2026338+1
Oct 08, 20263370
Oct 07, 20263370
Oct 05, 20263370
Oct 02, 2026337No prior observation