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Contract OI history

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Oct 23, 2026 EXPIRATION

VST $143.00 Put

VST261023P00143000

Latest saved OI328Oct 23, 2026
Last change+103vs previous saved observation
Saved market days10Oct 05, 2026 onwards
Daily open interest Hover a point for its date and OI
VST $143.00 put open interest history 10 saved observations from 2026-10-05 to 2026-10-23. Exact values and changes are listed in the table below. 3281640 2026-10-05: 0 OI2026-10-06: 18 OI2026-10-07: 18 OI2026-10-08: 18 OI2026-10-09: 28 OI2026-10-14: 30 OI2026-10-15: 61 OI2026-10-16: 98 OI2026-10-21: 225 OI2026-10-23: 328 OI Oct 05, 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, 2026328+103
Oct 21, 2026Viewing225+127
Oct 16, 202698+37
Oct 15, 202661+31
Oct 14, 202630+2
Oct 09, 202628+10
Oct 08, 2026180
Oct 07, 2026180
Oct 06, 202618+18
Oct 05, 20260No prior observation