OITracker Cboe delayed data

Contract OI history

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Nov 20, 2026 EXPIRATION

VKTX $20.00 Put

VKTX261120P00020000

Latest saved OI1,505Oct 23, 2026
Last change+1,178vs previous saved observation
Saved market days6Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
VKTX $20.00 put open interest history 6 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 1,5057520 2026-10-09: 269 OI2026-10-14: 326 OI2026-10-15: 326 OI2026-10-16: 326 OI2026-10-21: 327 OI2026-10-23: 1,505 OI Oct 09, 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, 2026Viewing1,505+1,178
Oct 21, 2026327+1
Oct 16, 20263260
Oct 15, 20263260
Oct 14, 2026326+57
Oct 09, 2026269No prior observation