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Contract OI history

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Dec 17, 2027 EXPIRATION

VST $150.00 Put

VST271217P00150000

Latest saved OI351Oct 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 $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. 3601800 2026-10-02: 360 OI2026-10-05: 360 OI2026-10-06: 351 OI2026-10-07: 351 OI2026-10-08: 351 OI2026-10-09: 351 OI2026-10-14: 353 OI2026-10-15: 354 OI2026-10-16: 352 OI2026-10-21: 352 OI2026-10-23: 351 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, 2026351-1
Oct 21, 2026Viewing3520
Oct 16, 2026352-2
Oct 15, 2026354+1
Oct 14, 2026353+2
Oct 09, 20263510
Oct 08, 20263510
Oct 07, 20263510
Oct 06, 2026351-9
Oct 05, 20263600
Oct 02, 2026360No prior observation