OITracker Cboe delayed data

Contract OI history

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Dec 18, 2026 EXPIRATION

SM $30.00 Call

SM261218C00030000

Latest saved OI1,175Oct 23, 2026
Last change-2vs previous saved observation
Saved market days10Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
SM $30.00 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. 1,1775880 2026-10-02: 1,177 OI2026-10-05: 1,177 OI2026-10-07: 1,177 OI2026-10-08: 1,177 OI2026-10-09: 1,177 OI2026-10-13: 1,177 OI2026-10-15: 1,177 OI2026-10-16: 1,177 OI2026-10-21: 1,177 OI2026-10-23: 1,175 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, 20261,175-2
Oct 21, 2026Viewing1,1770
Oct 16, 20261,1770
Oct 15, 20261,1770
Oct 13, 20261,1770
Oct 09, 20261,1770
Oct 08, 20261,1770
Oct 07, 20261,1770
Oct 05, 20261,1770
Oct 02, 20261,177No prior observation