Well wales' odds will drift if they do sort it, Denmarks' have shortened to 2/1 so mix of people thinking it will be sorted and others in a rush to sell their bets.
If you have used the sportsbook they should offer cash out at some point, they tend to suspend it to review their odds. You may be better off just sticking with it though depending on what they offer.
Have a look into the exchange, offers more flexibility and generally better value even if just using it the same way as a sportsbook.