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Contract OI history

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Nov 20, 2026 EXPIRATION

VST $165.00 Put

VST261120P00165000

Latest saved OI534Oct 23, 2026
Last change-55vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
VST $165.00 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. 6003000 2026-10-02: 284 OI2026-10-05: 284 OI2026-10-06: 291 OI2026-10-07: 433 OI2026-10-08: 433 OI2026-10-09: 538 OI2026-10-14: 600 OI2026-10-15: 598 OI2026-10-16: 588 OI2026-10-21: 589 OI2026-10-23: 534 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, 2026534-55
Oct 21, 2026Viewing589+1
Oct 16, 2026588-10
Oct 15, 2026598-2
Oct 14, 2026600+62
Oct 09, 2026538+105
Oct 08, 20264330
Oct 07, 2026433+142
Oct 06, 2026291+7
Oct 05, 20262840
Oct 02, 2026284No prior observation