OITracker Cboe delayed data

Contract OI history

Back to VKTX

Nov 20, 2026 EXPIRATION

VKTX $40.00 Put

VKTX261120P00040000

Latest saved OI396Oct 23, 2026
Last change0vs previous saved observation
Saved market days6Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
VKTX $40.00 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. 4042020 2026-10-09: 400 OI2026-10-14: 404 OI2026-10-15: 403 OI2026-10-16: 403 OI2026-10-21: 396 OI2026-10-23: 396 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, 2026Viewing3960
Oct 21, 2026396-7
Oct 16, 20264030
Oct 15, 2026403-1
Oct 14, 2026404+4
Oct 09, 2026400No prior observation