Sometimes a trade is just so obvious, although I was faffing about a fair bit before I eventually got involved, in hindsight this was pretty obvious. See if you agree.
The lesson to take from this video is, for a runners price (in any market) to move there has to be other factors that cause this movement in odds. In exchange markets this reason is the movement of other runners. This is the basis of all odds movements and is a fundamental skill in making any money from trading in this style. You have to understand what is going on in the market – The bigger picture is the key. Once you can form the bigger picture you have a chance.