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Contract OI history

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Jan 15, 2027 EXPIRATION

VST $175.00 Put

VST270115P00175000

Latest saved OI177Oct 23, 2026
Last change+6vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
VST $175.00 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. 177880 2026-10-02: 147 OI2026-10-05: 147 OI2026-10-06: 145 OI2026-10-07: 158 OI2026-10-08: 158 OI2026-10-09: 171 OI2026-10-14: 171 OI2026-10-15: 171 OI2026-10-16: 171 OI2026-10-21: 171 OI2026-10-23: 177 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, 2026177+6
Oct 21, 2026Viewing1710
Oct 16, 20261710
Oct 15, 20261710
Oct 14, 20261710
Oct 09, 2026171+13
Oct 08, 20261580
Oct 07, 2026158+13
Oct 06, 2026145-2
Oct 05, 20261470
Oct 02, 2026147No prior observation