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Contract OI history

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Jan 15, 2027 EXPIRATION

VST $165.00 Put

VST270115P00165000

Latest saved OI434Oct 23, 2026
Last change+14vs 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. 4342170 2026-10-02: 333 OI2026-10-05: 333 OI2026-10-06: 328 OI2026-10-07: 334 OI2026-10-08: 334 OI2026-10-09: 346 OI2026-10-14: 419 OI2026-10-15: 419 OI2026-10-16: 420 OI2026-10-21: 420 OI2026-10-23: 434 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, 2026Viewing434+14
Oct 21, 20264200
Oct 16, 2026420+1
Oct 15, 20264190
Oct 14, 2026419+73
Oct 09, 2026346+12
Oct 08, 20263340
Oct 07, 2026334+6
Oct 06, 2026328-5
Oct 05, 20263330
Oct 02, 2026333No prior observation