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Contract OI history

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Nov 20, 2026 EXPIRATION

VST $170.00 Put

VST261120P00170000

Latest saved OI394Oct 23, 2026
Last change+9vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
VST $170.00 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. 3941970 2026-10-02: 44 OI2026-10-05: 44 OI2026-10-06: 48 OI2026-10-07: 55 OI2026-10-08: 55 OI2026-10-09: 78 OI2026-10-14: 374 OI2026-10-15: 375 OI2026-10-16: 382 OI2026-10-21: 385 OI2026-10-23: 394 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, 2026394+9
Oct 21, 2026Viewing385+3
Oct 16, 2026382+7
Oct 15, 2026375+1
Oct 14, 2026374+296
Oct 09, 202678+23
Oct 08, 2026550
Oct 07, 202655+7
Oct 06, 202648+4
Oct 05, 2026440
Oct 02, 202644No prior observation