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Contract OI history

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Dec 17, 2027 EXPIRATION

VST $135.00 Put

VST271217P00135000

Latest saved OI127Oct 23, 2026
Last change+2vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
VST $135.00 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. 127630 2026-10-02: 123 OI2026-10-05: 124 OI2026-10-06: 124 OI2026-10-07: 125 OI2026-10-08: 125 OI2026-10-09: 125 OI2026-10-14: 125 OI2026-10-15: 125 OI2026-10-16: 126 OI2026-10-21: 125 OI2026-10-23: 127 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, 2026127+2
Oct 21, 2026Viewing125-1
Oct 16, 2026126+1
Oct 15, 20261250
Oct 14, 20261250
Oct 09, 20261250
Oct 08, 20261250
Oct 07, 2026125+1
Oct 06, 20261240
Oct 05, 2026124+1
Oct 02, 2026123No prior observation