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Contract OI history

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Sep 17, 2027 EXPIRATION

VST $150.00 Put

VST270917P00150000

Latest saved OI1,965Oct 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 $150.00 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. 2,1601,0800 2026-10-02: 2,160 OI2026-10-05: 1,926 OI2026-10-06: 1,933 OI2026-10-07: 1,933 OI2026-10-08: 1,933 OI2026-10-09: 1,930 OI2026-10-14: 1,939 OI2026-10-15: 1,940 OI2026-10-16: 1,940 OI2026-10-21: 1,963 OI2026-10-23: 1,965 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, 20261,965+2
Oct 21, 2026Viewing1,963+23
Oct 16, 20261,9400
Oct 15, 20261,940+1
Oct 14, 20261,939+9
Oct 09, 20261,930-3
Oct 08, 20261,9330
Oct 07, 20261,9330
Oct 06, 20261,933+7
Oct 05, 20261,926-234
Oct 02, 20262,160No prior observation