As of the time of writing, there are five wrestlers in the market along with the option to back 'The Field wins Royal Rumble'.
Just like with the domestic sports betting firms, 5Dimes is hanging John Cena out as a favourite. He's +260.
Next up are Roman Reigns (+275), Shinsuke Nakamura (+275), AJ Styles (+575) and Seth Rollins (+875).
The aforementioned option to wager on any unlisted participant - opposing Cena, Reigns, Nakamura, Styles or Rollins - is +275.
5Dimes' WWE Royal Rumble odds are found under 'Pro Wrestling' on the 5Dimes Website