U.K.-based betting and gambling company Ladbrokes said in a press release that as of Monday afternoon, betting for the royal baby names odds had the top choice, Arthur, at 5/1. Alexander is behind with 6/1, followed by Albert and James, both at 8/1 odds.
The odds are in the favor of family names as Philip, the name of Queen Elizabeth II’s husband, Prince Philip, Duke of Edinburgh, trailed behind at 12/1 odds — a departure from its 6/1 odds at the time of birth. Charles, the name of Prince Harry’s father and the heir apparent to the throne, has 16/1 odds, as does Edward, the youngest son of Prince Philip and the Queen.
“Arthur has headed the betting since Prince Harry’s announcement this afternoon,” a spokesperson for Ladbrokes told TIME in an email, “but Alexander is by far the biggest mover in the last few hours and is now second-favourite.”1