Completion rate
Also called: video completion rate, VCR
Completion rate is the share of video plays that reached the end of the video.
Formula
Completion rate = plays to 100% ÷ video plays × 100
Short ads finish more often, which is one reason 15-second ads are popular for Reels and TikTok. A high completion rate on a short ad says little on its own; pair it with click-through rate to see whether people acted after watching.
Part of the Addy video ad glossary. Addy is an AI agent that writes, renders and posts short-form video ads.