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Contract OI history

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Sep 17, 2027 EXPIRATION

VST $170.00 Put

VST270917P00170000

Latest saved OI44Oct 23, 2026
Last change0vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
VST $170.00 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. 44220 2026-10-02: 43 OI2026-10-05: 43 OI2026-10-06: 43 OI2026-10-07: 44 OI2026-10-08: 44 OI2026-10-09: 44 OI2026-10-14: 44 OI2026-10-15: 44 OI2026-10-16: 44 OI2026-10-21: 44 OI2026-10-23: 44 OI Oct 02, 2026Oct 23, 2026

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

VST contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026440
Oct 21, 2026Viewing440
Oct 16, 2026440
Oct 15, 2026440
Oct 14, 2026440
Oct 09, 2026440
Oct 08, 2026440
Oct 07, 202644+1
Oct 06, 2026430
Oct 05, 2026430
Oct 02, 202643No prior observation