OITracker Cboe delayed data

Contract OI history

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Mar 19, 2027 EXPIRATION

SSL $12.50 Put

SSL270319P00012500

Latest saved OI173Oct 23, 2026
Last change+3vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
SSL $12.50 put open interest history 11 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 178890 2026-10-02: 175 OI2026-10-05: 175 OI2026-10-06: 175 OI2026-10-07: 175 OI2026-10-08: 178 OI2026-10-09: 178 OI2026-10-13: 178 OI2026-10-14: 178 OI2026-10-16: 170 OI2026-10-21: 170 OI2026-10-23: 173 OI Oct 02, 2026Oct 23, 2026

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

SSL contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026173+3
Oct 21, 2026Viewing1700
Oct 16, 2026170-8
Oct 14, 20261780
Oct 13, 20261780
Oct 09, 20261780
Oct 08, 2026178+3
Oct 07, 20261750
Oct 06, 20261750
Oct 05, 20261750
Oct 02, 2026175No prior observation