OITracker Cboe delayed data

Contract OI history

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Jan 21, 2028 EXPIRATION

SLG $37.50 Call

SLG280121C00037500

Latest saved OI110Oct 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
SLG $37.50 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. 110550 2026-10-02: 108 OI2026-10-05: 108 OI2026-10-07: 108 OI2026-10-08: 108 OI2026-10-09: 108 OI2026-10-13: 109 OI2026-10-14: 109 OI2026-10-15: 109 OI2026-10-20: 109 OI2026-10-23: 110 OI Oct 02, 2026Oct 23, 2026

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

SLG contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing110+1
Oct 20, 20261090
Oct 15, 20261090
Oct 14, 20261090
Oct 13, 2026109+1
Oct 09, 20261080
Oct 08, 20261080
Oct 07, 20261080
Oct 05, 20261080
Oct 02, 2026108No prior observation