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Contract OI history

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Dec 18, 2026 EXPIRATION

VST $100.00 Put

VST261218P00100000

Latest saved OI396Oct 23, 2026
Last change-5vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
VST $100.00 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. 4152070 2026-10-02: 412 OI2026-10-05: 411 OI2026-10-06: 414 OI2026-10-07: 413 OI2026-10-08: 413 OI2026-10-09: 415 OI2026-10-14: 414 OI2026-10-15: 402 OI2026-10-16: 401 OI2026-10-21: 401 OI2026-10-23: 396 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, 2026Viewing396-5
Oct 21, 20264010
Oct 16, 2026401-1
Oct 15, 2026402-12
Oct 14, 2026414-1
Oct 09, 2026415+2
Oct 08, 20264130
Oct 07, 2026413-1
Oct 06, 2026414+3
Oct 05, 2026411-1
Oct 02, 2026412No prior observation