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Contract OI history

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Dec 18, 2026 EXPIRATION

STT $165.00 Put

STT261218P00165000

Latest saved OI314Oct 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
STT $165.00 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. 3141570 2026-10-02: 286 OI2026-10-05: 286 OI2026-10-06: 286 OI2026-10-07: 286 OI2026-10-08: 286 OI2026-10-09: 286 OI2026-10-13: 295 OI2026-10-14: 295 OI2026-10-15: 296 OI2026-10-16: 308 OI2026-10-21: 313 OI2026-10-23: 314 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, 2026314+1
Oct 21, 2026Viewing313+5
Oct 16, 2026308+12
Oct 15, 2026296+1
Oct 14, 20262950
Oct 13, 2026295+9
Oct 09, 20262860
Oct 08, 20262860
Oct 07, 20262860
Oct 06, 20262860
Oct 05, 20262860
Oct 02, 2026286No prior observation