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Contract OI history

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Sep 17, 2027 EXPIRATION

VST $135.00 Put

VST270917P00135000

Latest saved OI104Oct 23, 2026
Last change0vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
VST $135.00 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. 104520 2026-10-02: 96 OI2026-10-05: 102 OI2026-10-06: 103 OI2026-10-07: 104 OI2026-10-08: 104 OI2026-10-09: 104 OI2026-10-14: 104 OI2026-10-15: 101 OI2026-10-16: 102 OI2026-10-21: 104 OI2026-10-23: 104 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, 2026Viewing1040
Oct 21, 2026104+2
Oct 16, 2026102+1
Oct 15, 2026101-3
Oct 14, 20261040
Oct 09, 20261040
Oct 08, 20261040
Oct 07, 2026104+1
Oct 06, 2026103+1
Oct 05, 2026102+6
Oct 02, 202696No prior observation