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Contract OI history

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Dec 18, 2026 EXPIRATION

VST $85.00 Put

VST261218P00085000

Latest saved OI574Oct 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 $85.00 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. 5742870 2026-10-02: 269 OI2026-10-05: 270 OI2026-10-06: 270 OI2026-10-07: 270 OI2026-10-08: 270 OI2026-10-09: 270 OI2026-10-14: 500 OI2026-10-15: 500 OI2026-10-16: 500 OI2026-10-21: 574 OI2026-10-23: 574 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, 20265740
Oct 21, 2026Viewing574+74
Oct 16, 20265000
Oct 15, 20265000
Oct 14, 2026500+230
Oct 09, 20262700
Oct 08, 20262700
Oct 07, 20262700
Oct 06, 20262700
Oct 05, 2026270+1
Oct 02, 2026269No prior observation