Queen to abdicate?

Have the bookies got it wrong?  CityAM  has the skinny:

Bookmakers Coral has suspended betting on whether the Queen will announce her abdication in her Christmas Day broadcast after a number of “unusual” bets were placed today.  A spokesman told City A.M a handful of different bets had been made within half an hour of each other – prompting the team to question whether there had been a leak from Buckingham Palace. 

Intriguing ...