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Contract OI history

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Dec 18, 2026 EXPIRATION

VST $180.00 Put

VST261218P00180000

Latest saved OI40Oct 23, 2026
Last change0vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
VST $180.00 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. 41200 2026-10-02: 36 OI2026-10-05: 36 OI2026-10-06: 36 OI2026-10-07: 36 OI2026-10-08: 36 OI2026-10-09: 41 OI2026-10-14: 40 OI2026-10-15: 40 OI2026-10-16: 40 OI2026-10-21: 40 OI2026-10-23: 40 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, 2026400
Oct 21, 2026Viewing400
Oct 16, 2026400
Oct 15, 2026400
Oct 14, 202640-1
Oct 09, 202641+5
Oct 08, 2026360
Oct 07, 2026360
Oct 06, 2026360
Oct 05, 2026360
Oct 02, 202636No prior observation