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Contract OI history

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Dec 18, 2026 EXPIRATION

VST $150.00 Put

VST261218P00150000

Latest saved OI1,588Oct 23, 2026
Last change-8vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
VST $150.00 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. 1,5967980 2026-10-02: 758 OI2026-10-05: 786 OI2026-10-06: 818 OI2026-10-07: 1,178 OI2026-10-08: 1,178 OI2026-10-09: 1,459 OI2026-10-14: 1,416 OI2026-10-15: 1,422 OI2026-10-16: 1,474 OI2026-10-21: 1,596 OI2026-10-23: 1,588 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, 20261,588-8
Oct 21, 2026Viewing1,596+122
Oct 16, 20261,474+52
Oct 15, 20261,422+6
Oct 14, 20261,416-43
Oct 09, 20261,459+281
Oct 08, 20261,1780
Oct 07, 20261,178+360
Oct 06, 2026818+32
Oct 05, 2026786+28
Oct 02, 2026758No prior observation