CPMv is a pricing model, which stands for CPM viewable. Under this model you pay per thousand impressions in the visible area of the screen. This strategy allows you to pay for ad impressions only if 30% of the ad is displayed on the user's screen for at least one second. CPMv model is exclusively available for <a href="https://trafficstars.com/faq/articles/native-ads">Native ads</a>.