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Contract OI history

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Dec 18, 2026 EXPIRATION

STT $180.00 Put

STT261218P00180000

Latest saved OI29Oct 23, 2026
Last change0vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
STT $180.00 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. 29140 2026-10-02: 13 OI2026-10-05: 14 OI2026-10-06: 14 OI2026-10-07: 22 OI2026-10-08: 24 OI2026-10-09: 24 OI2026-10-13: 23 OI2026-10-14: 23 OI2026-10-15: 28 OI2026-10-16: 28 OI2026-10-21: 29 OI2026-10-23: 29 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, 2026Viewing290
Oct 21, 202629+1
Oct 16, 2026280
Oct 15, 202628+5
Oct 14, 2026230
Oct 13, 202623-1
Oct 09, 2026240
Oct 08, 202624+2
Oct 07, 202622+8
Oct 06, 2026140
Oct 05, 202614+1
Oct 02, 202613No prior observation