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Contract OI history

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Jun 17, 2027 EXPIRATION

VST $240.00 Call

VST270617C00240000

Latest saved OI546Oct 23, 2026
Last change+1vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
VST $240.00 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. 5922960 2026-10-02: 591 OI2026-10-05: 592 OI2026-10-06: 573 OI2026-10-07: 573 OI2026-10-08: 573 OI2026-10-09: 551 OI2026-10-14: 550 OI2026-10-15: 550 OI2026-10-16: 550 OI2026-10-21: 545 OI2026-10-23: 546 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, 2026546+1
Oct 21, 2026Viewing545-5
Oct 16, 20265500
Oct 15, 20265500
Oct 14, 2026550-1
Oct 09, 2026551-22
Oct 08, 20265730
Oct 07, 20265730
Oct 06, 2026573-19
Oct 05, 2026592+1
Oct 02, 2026591No prior observation