OITracker Cboe delayed data

Contract OI history

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Nov 20, 2026 EXPIRATION

VKTX $21.00 Put

VKTX261120P00021000

Latest saved OI1,121Oct 23, 2026
Last change+1,121vs previous saved observation
Saved market days2Oct 21, 2026 onwards
Daily open interest Hover a point for its date and OI
VKTX $21.00 put open interest history 2 saved observations from 2026-10-21 to 2026-10-23. Exact values and changes are listed in the table below. 1,1215600 2026-10-21: 0 OI2026-10-23: 1,121 OI Oct 21, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

VKTX contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 20261,121+1,121
Oct 21, 2026Viewing0No prior observation