OITracker Cboe delayed data

Contract OI history

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Dec 18, 2026 EXPIRATION

SMG $50.00 Put

SMG261218P00050000

Latest saved OI133Oct 23, 2026
Last change+1vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
SMG $50.00 put open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 133660 2026-10-02: 125 OI2026-10-05: 130 OI2026-10-06: 130 OI2026-10-07: 130 OI2026-10-08: 130 OI2026-10-09: 130 OI2026-10-13: 131 OI2026-10-14: 131 OI2026-10-15: 131 OI2026-10-16: 131 OI2026-10-21: 132 OI2026-10-23: 133 OI Oct 02, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

SMG contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing133+1
Oct 21, 2026132+1
Oct 16, 20261310
Oct 15, 20261310
Oct 14, 20261310
Oct 13, 2026131+1
Oct 09, 20261300
Oct 08, 20261300
Oct 07, 20261300
Oct 06, 20261300
Oct 05, 2026130+5
Oct 02, 2026125No prior observation