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Contract OI history

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Jan 21, 2028 EXPIRATION

VST $175.00 Call

VST280121C00175000

Latest saved OI354Oct 23, 2026
Last change+2vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
VST $175.00 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. 3541770 2026-10-02: 351 OI2026-10-05: 351 OI2026-10-06: 351 OI2026-10-07: 351 OI2026-10-08: 351 OI2026-10-09: 352 OI2026-10-14: 352 OI2026-10-15: 352 OI2026-10-16: 352 OI2026-10-21: 352 OI2026-10-23: 354 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, 2026Viewing354+2
Oct 21, 20263520
Oct 16, 20263520
Oct 15, 20263520
Oct 14, 20263520
Oct 09, 2026352+1
Oct 08, 20263510
Oct 07, 20263510
Oct 06, 20263510
Oct 05, 20263510
Oct 02, 2026351No prior observation