Click-through rate (CTR) measures the percentage of viewers who clicked the ad while watching at every second. It is calculated by dividing the number of clicks by the number of views.
Conversion rate (CVR) measures the percentage of conversions created (such as follows, downloads, or purchases) at every second of the video. It is calculated by dividing the number of conversions by the number of interactions.
The number of clicks the ad received.
Conversions
The number of conversions generated.
Retention
The number of users still watching the ad.