OITracker Cboe delayed data

Contract OI history

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Nov 20, 2026 EXPIRATION

SM $42.50 Call

SM261120C00042500

Latest saved OI1,218Oct 23, 2026
Last change+11vs 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. 1,2186090 2026-10-02: 739 OI2026-10-05: 739 OI2026-10-07: 739 OI2026-10-08: 739 OI2026-10-09: 766 OI2026-10-13: 772 OI2026-10-15: 872 OI2026-10-16: 877 OI2026-10-21: 1,207 OI2026-10-23: 1,218 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, 20261,218+11
Oct 21, 2026Viewing1,207+330
Oct 16, 2026877+5
Oct 15, 2026872+100
Oct 13, 2026772+6
Oct 09, 2026766+27
Oct 08, 20267390
Oct 07, 20267390
Oct 05, 20267390
Oct 02, 2026739No prior observation