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Contract OI history

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Jan 15, 2027 EXPIRATION

VST $185.00 Put

VST270115P00185000

Latest saved OI396Oct 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 $185.00 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. 3961980 2026-10-02: 392 OI2026-10-05: 392 OI2026-10-06: 394 OI2026-10-07: 396 OI2026-10-08: 396 OI2026-10-09: 396 OI2026-10-14: 396 OI2026-10-15: 396 OI2026-10-16: 396 OI2026-10-21: 396 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, 20263960
Oct 21, 2026Viewing3960
Oct 16, 20263960
Oct 15, 20263960
Oct 14, 20263960
Oct 09, 20263960
Oct 08, 20263960
Oct 07, 2026396+2
Oct 06, 2026394+2
Oct 05, 20263920
Oct 02, 2026392No prior observation