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Contract OI history

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Dec 18, 2026 EXPIRATION

STT $175.00 Put

STT261218P00175000

Latest saved OI178Oct 23, 2026
Last change+3vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
STT $175.00 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. 189940 2026-10-02: 180 OI2026-10-05: 180 OI2026-10-06: 181 OI2026-10-07: 183 OI2026-10-08: 183 OI2026-10-09: 185 OI2026-10-13: 189 OI2026-10-14: 189 OI2026-10-15: 175 OI2026-10-16: 175 OI2026-10-21: 175 OI2026-10-23: 178 OI Oct 02, 2026Oct 23, 2026

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

STT contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026178+3
Oct 21, 2026Viewing1750
Oct 16, 20261750
Oct 15, 2026175-14
Oct 14, 20261890
Oct 13, 2026189+4
Oct 09, 2026185+2
Oct 08, 20261830
Oct 07, 2026183+2
Oct 06, 2026181+1
Oct 05, 20261800
Oct 02, 2026180No prior observation