OITracker Cboe delayed data

Contract OI history

Back to SM

Dec 18, 2026 EXPIRATION

SM $32.50 Call

SM261218C00032500

Latest saved OI624Oct 23, 2026
Last change+1vs previous saved observation
Saved market days10Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
SM $32.50 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. 6243120 2026-10-02: 615 OI2026-10-05: 615 OI2026-10-07: 616 OI2026-10-08: 616 OI2026-10-09: 620 OI2026-10-13: 620 OI2026-10-15: 623 OI2026-10-16: 623 OI2026-10-21: 623 OI2026-10-23: 624 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, 2026624+1
Oct 21, 2026Viewing6230
Oct 16, 20266230
Oct 15, 2026623+3
Oct 13, 20266200
Oct 09, 2026620+4
Oct 08, 20266160
Oct 07, 2026616+1
Oct 05, 20266150
Oct 02, 2026615No prior observation