VAST Video Placement Types and Tracking Options

All the video placement types we can see in VAST video bid requests are in the table below. 

 Value Placement type What it means 1 In-Stream Plays before, during or after the video content the viewer chose to watch (pre-roll, mid-roll, post-roll). 2 In-Banner Plays inside a display banner slot, so it needs display ad space on the page. 3 In-Article Starts playing between paragraphs of an article, as a standalone message. 4 In-Feed Appears inside a content, social or product feed. 5 Interstitial / Slider / Floating Stays on screen while shown, covering all or part of it. A full-screen interstitial is marked separately in the bid request (imp.instl). Source: IAB Tech Lab OpenRTB 2.5, section 5.9 Video Placement Types ( OpenRTB standards ).