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Contract OI history

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Jan 15, 2027 EXPIRATION

VST $155.00 Put

VST270115P00155000

Latest saved OI904Oct 23, 2026
Last change+5vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
VST $155.00 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. 9044520 2026-10-02: 657 OI2026-10-05: 657 OI2026-10-06: 690 OI2026-10-07: 699 OI2026-10-08: 699 OI2026-10-09: 682 OI2026-10-14: 695 OI2026-10-15: 740 OI2026-10-16: 791 OI2026-10-21: 899 OI2026-10-23: 904 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, 2026904+5
Oct 21, 2026Viewing899+108
Oct 16, 2026791+51
Oct 15, 2026740+45
Oct 14, 2026695+13
Oct 09, 2026682-17
Oct 08, 20266990
Oct 07, 2026699+9
Oct 06, 2026690+33
Oct 05, 20266570
Oct 02, 2026657No prior observation