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Contract OI history

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Sep 17, 2027 EXPIRATION

VST $230.00 Call

VST270917C00230000

Latest saved OI253Oct 23, 2026
Last change+4vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
VST $230.00 call open interest history 11 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 2531260 2026-10-02: 187 OI2026-10-05: 187 OI2026-10-06: 237 OI2026-10-07: 237 OI2026-10-08: 237 OI2026-10-09: 241 OI2026-10-14: 247 OI2026-10-15: 247 OI2026-10-16: 247 OI2026-10-21: 249 OI2026-10-23: 253 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, 2026253+4
Oct 21, 2026Viewing249+2
Oct 16, 20262470
Oct 15, 20262470
Oct 14, 2026247+6
Oct 09, 2026241+4
Oct 08, 20262370
Oct 07, 20262370
Oct 06, 2026237+50
Oct 05, 20261870
Oct 02, 2026187No prior observation