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Contract OI history

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Nov 20, 2026 EXPIRATION

SM $40.00 Call

SM261120C00040000

Latest saved OI1,258Oct 23, 2026
Last change-5vs previous saved observation
Saved market days10Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
SM $40.00 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. 1,2636310 2026-10-02: 941 OI2026-10-05: 941 OI2026-10-07: 978 OI2026-10-08: 1,048 OI2026-10-09: 1,114 OI2026-10-13: 1,111 OI2026-10-15: 1,035 OI2026-10-16: 1,064 OI2026-10-21: 1,263 OI2026-10-23: 1,258 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, 2026Viewing1,258-5
Oct 21, 20261,263+199
Oct 16, 20261,064+29
Oct 15, 20261,035-76
Oct 13, 20261,111-3
Oct 09, 20261,114+66
Oct 08, 20261,048+70
Oct 07, 2026978+37
Oct 05, 20269410
Oct 02, 2026941No prior observation