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Contract OI history

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Dec 17, 2027 EXPIRATION

VST $165.00 Put

VST271217P00165000

Latest saved OI210Oct 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 $165.00 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. 2111050 2026-10-02: 211 OI2026-10-05: 211 OI2026-10-06: 211 OI2026-10-07: 211 OI2026-10-08: 211 OI2026-10-09: 211 OI2026-10-14: 210 OI2026-10-15: 210 OI2026-10-16: 210 OI2026-10-21: 210 OI2026-10-23: 210 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, 20262100
Oct 21, 2026Viewing2100
Oct 16, 20262100
Oct 15, 20262100
Oct 14, 2026210-1
Oct 09, 20262110
Oct 08, 20262110
Oct 07, 20262110
Oct 06, 20262110
Oct 05, 20262110
Oct 02, 2026211No prior observation