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Contract OI history

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Oct 23, 2026 EXPIRATION

VST $155.00 Put

VST261023P00155000

Latest saved OI60Oct 23, 2026
Last change-368vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
VST $155.00 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. 4282140 2026-10-02: 28 OI2026-10-05: 28 OI2026-10-06: 57 OI2026-10-07: 57 OI2026-10-08: 57 OI2026-10-09: 81 OI2026-10-14: 399 OI2026-10-15: 399 OI2026-10-16: 409 OI2026-10-21: 428 OI2026-10-23: 60 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, 2026Viewing60-368
Oct 21, 2026428+19
Oct 16, 2026409+10
Oct 15, 20263990
Oct 14, 2026399+318
Oct 09, 202681+24
Oct 08, 2026570
Oct 07, 2026570
Oct 06, 202657+29
Oct 05, 2026280
Oct 02, 202628No prior observation