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Contract OI history

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Mar 19, 2027 EXPIRATION

VST $220.00 Call

VST270319C00220000

Latest saved OI362Oct 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 $220.00 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. 3621810 2026-10-02: 245 OI2026-10-05: 246 OI2026-10-06: 240 OI2026-10-07: 263 OI2026-10-08: 263 OI2026-10-09: 307 OI2026-10-14: 344 OI2026-10-15: 360 OI2026-10-16: 360 OI2026-10-21: 359 OI2026-10-23: 362 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, 2026362+3
Oct 21, 2026Viewing359-1
Oct 16, 20263600
Oct 15, 2026360+16
Oct 14, 2026344+37
Oct 09, 2026307+44
Oct 08, 20262630
Oct 07, 2026263+23
Oct 06, 2026240-6
Oct 05, 2026246+1
Oct 02, 2026245No prior observation