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Contract OI history

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Apr 16, 2027 EXPIRATION

VST $135.00 Put

VST270416P00135000

Latest saved OI324Oct 23, 2026
Last change+172vs 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. 3241620 2026-10-02: 120 OI2026-10-05: 122 OI2026-10-06: 124 OI2026-10-07: 138 OI2026-10-08: 138 OI2026-10-09: 140 OI2026-10-14: 140 OI2026-10-15: 140 OI2026-10-16: 145 OI2026-10-21: 152 OI2026-10-23: 324 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, 2026324+172
Oct 21, 2026Viewing152+7
Oct 16, 2026145+5
Oct 15, 20261400
Oct 14, 20261400
Oct 09, 2026140+2
Oct 08, 20261380
Oct 07, 2026138+14
Oct 06, 2026124+2
Oct 05, 2026122+2
Oct 02, 2026120No prior observation