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Contract OI history

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Jan 21, 2028 EXPIRATION

VST $135.00 Put

VST280121P00135000

Latest saved OI1,165Oct 23, 2026
Last change-3vs 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. 1,1685840 2026-10-02: 1,168 OI2026-10-05: 1,168 OI2026-10-06: 1,167 OI2026-10-07: 1,167 OI2026-10-08: 1,167 OI2026-10-09: 1,167 OI2026-10-14: 1,167 OI2026-10-15: 1,167 OI2026-10-16: 1,167 OI2026-10-21: 1,168 OI2026-10-23: 1,165 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, 20261,165-3
Oct 21, 2026Viewing1,168+1
Oct 16, 20261,1670
Oct 15, 20261,1670
Oct 14, 20261,1670
Oct 09, 20261,1670
Oct 08, 20261,1670
Oct 07, 20261,1670
Oct 06, 20261,167-1
Oct 05, 20261,1680
Oct 02, 20261,168No prior observation